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NOAA/NWS · 实时热榜

HISTORY2026年8月21日769 不同热搜
08/0309/01 有历史数据
DAILY UNIQUE TOPICS769 个热搜
  1. 01
    Extreme Heat Warning issued August 20 at 11:06PM MST until August 28 at 8:00PM MST by NWS Phoenix AZ

    * WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 115 expected. Major to Extreme Heat Risk. * WHERE...Aguila Valley, Apache Junction/Gold Canyon, Cave Creek/New River, Fountain Hills/East Mesa, Gila Bend, Northwest Pinal County, Sonoran Desert Natl Monument, and Tonopah Desert. * WHEN...Until 8 PM MST Friday, August 28. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat Safety instructions: An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

    最高第 714:18 达到14:18 首次观测上榜19:22 观测离榜累计约5小时4分
  2. 02
    Tropical Storm Watch issued August 21 at 4:10PM ChST by NWS Tiyan GU

    * WHAT...For the Small Craft Advisory, west winds 15 to 25 kt with gusts up to 35 kt and seas 8 to 12 feet expected. For the Tropical Storm Watch, west winds 25 to 35 kt with gusts to 40 kt possible. * WHERE...Tinian Coastal Waters and Saipan Coastal Waters. * WHEN...For the Small Craft Advisory, from 5 PM this afternoon to 5 PM ChST Sunday. For the Tropical Storm Watch through Saturday night. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Tropical Storm Saudel (17W) is making its approach toward the Marianas, with a storm track across the far northern Marianas. Seas will remain hazardous to small craft this evening as winds increase to 25 kt and combined seas of 8 to 12 feet through Sunday afternoon. Tropical storm force winds of 34 to 63 kt are only possible if there is a significant westward shift in the track of Tropical Storm Saudel today or tonight. Safety instructions: Inexperienced mariners, especially those operating smaller vessels, should avoid boating in hazardous conditions.

    最高第 214:18 达到14:18 首次观测上榜19:22 观测离榜累计约5小时4分
  3. 03
    Flood Watch issued August 21 at 2:13AM EDT until August 22 at 8:00AM EDT by NWS Raleigh NC

    * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of central North Carolina, including the following counties, Alamance, Chatham, Cumberland, Durham, Harnett, Hoke, Johnston, Lee, Montgomery, Moore, Orange, Randolph, Richmond, Sampson, Scotland, Stanly, Wake, Wayne and Wilson. * WHEN...From 11 AM EDT this morning through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Several rounds of showers and thunderstorms with very heavy rainfall are expected today and possibly into tonight and early Saturday. A stalled front over the region will combine with anomalously moist conditions and very unstable air, supporting thunderstorms with intense rainfall rates of up to 3 inches per hour. These rates will support a risk of flash flooding. Rainfall totals of 2 to locally 5 inches are likely in the watch area through early Saturday. - http://www.weather.gov/safety/flood Safety instructions: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

    最高第 114:18 达到14:18 首次观测上榜19:22 观测离榜累计约5小时4分
  4. 04
    Flood Watch issued August 21 at 1:54AM EDT until August 22 at 8:00AM EDT by NWS Newport/Morehead City NC

    * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of eastern North Carolina, including the following areas, Beaufort, Duplin, Greene, Inland Onslow, Jones, Lenoir, Northern Craven, Pamlico, Pitt and Southern Craven. * WHEN...From 11 AM EDT this morning through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A stalled front will interact with an anomalously moist and strongly unstable airmass, supporting areas of intense rainfall rates as high as 2-3"/hr. These rates will support a risk of flooding and flash flooding, especially in low-lying and poor drainage areas. Rainfall totals of 2-5" will be possible within the watch area. - http://www.weather.gov/safety/flood Safety instructions: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

    最高第 214:02 达到14:02 首次观测上榜19:06 观测离榜上榜 2 次(重入 1 次)累计约4小时48分
  5. 05
    Tornado Watch issued August 20 at 2:58PM EDT until August 20 at 10:00PM EDT by NWS Wakefield VA

    THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 605 UNTIL 10 PM EDT THIS EVENING WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 604. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN MARYLAND THE NEW WATCH INCLUDES 4 COUNTIES IN SOUTHEAST MARYLAND DORCHESTER SOMERSET WICOMICO WORCESTER THIS INCLUDES THE CITIES OF CAMBRIDGE, CRISFIELD, OCEAN CITY, PRINCESS ANNE, AND SALISBURY.

    最高第 503:54 达到03:06 首次观测上榜07:54 观测离榜累计约4小时48分
  6. 06
    Tornado Watch issued August 20 at 2:58PM EDT until August 20 at 10:00PM EDT by NWS Wakefield VA

    THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 605 UNTIL 10 PM EDT THIS EVENING WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 604. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS THE NEW WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20 NM

    最高第 503:22 达到03:06 首次观测上榜07:54 观测离榜累计约4小时48分
  7. 07
    Extreme Heat Warning issued August 20 at 11:06PM MST until August 28 at 8:00PM MST by NWS Phoenix AZ

    * WHAT...Dangerously hot conditions. It will also be humid through the weekend. Afternoon temperatures 106 to 116 expected. Major to Extreme Heat Risk. * WHERE...Portions of southwest Arizona and southeast California. * WHEN...Until 8 PM MST /8 PM PDT/ Friday, August 28. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. Safety instructions: An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

    最高第 614:18 达到14:18 首次观测上榜19:06 观测离榜累计约4小时48分
  8. 08
    Extreme Heat Warning issued August 20 at 11:06PM MST until August 28 at 8:00PM MST by NWS Phoenix AZ

    * WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 112 expected. Major to Extreme Heat Risk. * WHERE...San Carlos. * WHEN...Until 8 PM MST Friday, August 28. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. Safety instructions: An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

    最高第 714:50 达到14:18 首次观测上榜19:06 观测离榜累计约4小时48分
  9. 09
    Flash Flood Warning issued August 20 at 10:50PM MST until August 21 at 3:45AM MST by NWS Flagstaff AZ

    At 1050 PM MST /1150 PM MDT/, Doppler radar indicated that heavy rain has moved out of the warned area. Between 0.75 and 1.25 inches of rain fell earlier this evening, but only light additional rainfall is expected. Flooding impacts will continue. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Paria River south to near Marble Canyon. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Paria River. Some locations that will experience flash flooding include... Vermilion Cliffs National Monument and Lees Ferry. This includes the Colorado River between river miles 0 and 2. This includes the following recreation areas and campgrounds... Lee's Ferry Campground, Lees Ferry Campground, Paria Beach Camp Site and Lees Ferry Camp Site. This includes the following creeks, washes and rivers... Colorado River, Cathedral Wash and Paria River. Safety instructions: Get out of the Paria River slot canyon! Flood waters will flow down the Paria River to the confluence with the Colorado River at Lees Ferry.

    最高第 314:02 达到14:02 首次观测上榜18:50 观测离榜上榜 2 次(重入 1 次)累计约4小时32分
  10. 10
    Extreme Heat Warning issued August 20 at 11:06PM MST until August 28 at 8:00PM MST by NWS Phoenix AZ

    * WHAT...Dangerously hot conditions. Afternoon temperatures 108 to 114 expected. Major to Extreme Heat Risk. * WHERE...The Phoenix metropolitan area. * WHEN...Until 8 PM MST Friday, August 28. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat Safety instructions: An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

    最高第 414:18 达到14:18 首次观测上榜19:06 观测离榜上榜 2 次(重入 1 次)累计约4小时32分
  11. 11
    Fire Weather Watch issued August 21 at 4:09AM PDT until August 22 at 9:00PM PDT by NWS Medford OR

    * IMPACTS...Gusty winds combined with low RH could lead to the rapid spread of any new or existing fires. * AFFECTED AREA...In California...Fire weather zones 284 and 285, including the Modoc National Forest. * WIND...South to southwest 15 to 20 mph with gusts 25 to 30 mph. * HUMIDITY...Minimum humidity 10 to 17 percent. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.

    最高第 319:22 达到19:22 首次观测上榜23:38 观测离榜累计约4小时16分
  12. 12
    Fire Weather Watch issued August 21 at 4:09AM PDT until August 22 at 9:00PM PDT by NWS Medford OR

    * IMPACTS...Gusty winds combined with low RH could lead to the rapid spread of any new or existing fires. * AFFECTED AREA...In Oregon...Fire weather zone 625, including the high desert of Lake County and the Hart Mountain Antelope Refuge. * WIND...South to southwest 15 to 25 mph with with gusts 30 to 35 mph. * HUMIDITY...Minimum humidity 10 to 15 percent. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. Avoid activities that could cause sparks. Visit weather.gov/medford/wildfire for links to fire restrictions in your area. If you have not packed your go kit yet, now is the time to do so. This includes items like important documents and essentials you cannot live without. Fill your vehicle's fuel tank. Visit ready.gov/kit for more information. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.

    最高第 219:22 达到19:22 首次观测上榜23:38 观测离榜累计约4小时16分
  13. 13
    Fire Weather Watch issued August 21 at 4:44AM PDT until August 22 at 10:00PM PDT by NWS Pendleton OR

    ...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY SATURDAY... .A weather system will bring widespread breezy westerly winds through the Cascade gaps and across the Columbia Basin and portions of the Blue Mountains region on Saturday afternoon and evening. Coupled with low relative humidity, this may lead to critical fire weather conditions. * AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley, 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington and 703 Warm Springs Reservation. * TIMING...From Saturday afternoon through Saturday evening. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 23 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. Safety instructions: A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

    最高第 419:54 达到19:54 首次观测上榜23:54 观测离榜累计约4小时
  14. 14
    Fire Weather Watch issued August 21 at 4:44AM PDT until August 22 at 10:00PM PDT by NWS Pendleton OR

    ...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY SATURDAY... .A weather system will bring widespread breezy westerly winds through the Cascade gaps and across the Columbia Basin and portions of the Blue Mountains region on Saturday afternoon and evening. Coupled with low relative humidity, this may lead to critical fire weather conditions. * AFFECTED AREA...Fire Weather Zones 696 John Day Valley, 698 Southern Blue Mountains and 700 Central Mountains of Oregon. * TIMING...From Saturday afternoon through Saturday evening. * WINDS...West 10 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. Safety instructions: A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

    最高第 319:54 达到19:54 首次观测上榜当日结束时仍在榜累计约4小时
  15. 15
    Fire Weather Watch issued August 21 at 4:44AM PDT until August 22 at 5:00PM PDT by NWS Pendleton OR

    ...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY SATURDAY... .A weather system will bring widespread breezy westerly winds through the Cascade gaps and across the Columbia Basin and portions of the Blue Mountains region on Saturday afternoon and evening. Coupled with low relative humidity, this may lead to critical fire weather conditions. * AFFECTED AREA...Fire Weather Zone 695 East Washington South Central Cascade Mountains. * TIMING...From this evening through Saturday afternoon. * WINDS...West 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 40 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. Safety instructions: A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

    最高第 519:54 达到19:54 首次观测上榜23:54 观测离榜累计约4小时
  16. 16
    Tropical Storm Watch issued August 21 at 9:44PM ChST by NWS Tiyan GU

    * WHAT...For the Small Craft Advisory, west winds 15 to 25 kt with gusts up to 35 kt and seas 8 to 12 feet expected. For the Tropical Storm Watch, west winds 25 to 35 kt with gusts to 40 kt possible. * WHERE...Tinian and Saipan Coastal Waters. * WHEN...For the Small Craft Advisory, from 5 PM this afternoon to 5 PM ChST Sunday. For the Tropical Storm Watch through Saturday night. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Tropical Storm Saudel (17W) is making its approach toward the Marianas, with a storm track across the far northern Marianas. Seas will remain hazardous to small craft this evening as winds increase to 25 kt and combined seas of 8 to 12 feet through Sunday afternoon. Tropical storm force winds of 34 to 63 kt are only possible if there is a significant westward shift in the track of Tropical Storm Saudel tonight. Safety instructions: Inexperienced mariners, especially those operating smaller vessels, should avoid boating in hazardous conditions.

    最高第 219:54 达到19:54 首次观测上榜23:54 观测离榜累计约4小时
  17. 17
    Extreme Heat Warning issued August 21 at 2:11AM CDT until August 21 at 9:00PM CDT by NWS Norman OK

    * WHAT...Dangerously hot conditions with heat index values up to 111. * WHERE...Portions of central, east central, southeast, southern, and southwest Oklahoma and northern Texas. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

    最高第 215:22 达到15:22 首次观测上榜19:22 观测离榜累计约4小时
  18. 18
    Extreme Heat Warning issued August 21 at 12:47AM CDT until August 21 at 8:00PM CDT by NWS Fort Worth TX

    * WHAT...Dangerously hot conditions with temperatures up to 108 degrees. * WHERE...North Texas. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Safety instructions: Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to the early morning or evening. Check up on relatives and neighbors. Never leave young children or pets in an enclosed vehicle, even for a short time, as temperatures can quickly rise to life-threatening levels. Know the signs and symptoms of heat exhaustion and heat stroke. To reduce risk when outdoors, the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 911 ASAP if you or someone you know is exhibiting signs of heat stroke. Extreme heat is dangerous, especially for those without reliable shelter. Limit time outdoors during the hottest time of the day, typically from 2 to 7 PM, rest in the shade when possible, and drink plenty of water. Locate nearby cooling centers through local resources or dial 2-1-1 in Texas.

    最高第 514:02 达到14:02 首次观测上榜19:06 观测离榜上榜 4 次(重入 3 次)累计约4小时
  19. 19
    Flood Warning issued August 21 at 3:17AM EDT until August 21 at 2:00PM EDT by NWS Cleveland OH

    ...The National Weather Service in Cleveland has issued a Flood Warning for the following rivers in Ohio... Scioto River Near Larue affecting Marion County. For the Scioto River...including Larue...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Scioto River near Larue. * WHEN...From this morning to this afternoon. * IMPACTS...At 12.0 feet, Flooding occurs in lowland areas south of the Village of La Rue. Roads inundated include High Street, Larue Prospect Road, and parts of Vine Street. * ADDITIONAL DETAILS... - At 3:00 AM EDT Friday the stage was 12.0 feet. - Bankfull stage is 9.0 feet. - Forecast...The river is expected to rise to a crest of 12.0 feet this morning. - Flood stage is 12.0 feet. - Flood History...This crest compares to a previous crest of 12.0 feet on 05/07/2025. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/cle. The next statement will be issued this afternoon by 200 PM EDT.

    最高第 115:22 达到15:22 首次观测上榜19:22 观测离榜累计约4小时
  20. 20
    Tropical Storm Watch issued August 21 at 9:04PM ChST by NWS Tiyan GU

    ...TROPICAL STORM SAUDEL IS PASSING WELL NORTHEAST OF TINIAN AND SAIPAN AS IT CONTINUES MOVING NORTHWEST TOWARDS THE FAR NORTHERN MARIANAS... .NEW INFORMATION... While little change has been observed in the storm motion the last few cycles, the center has wobbled considerably to the west, which in addition an expanded wind field, slightly increasing chances for TS winds to linger over Tinian and Saipan coastal waters. Even so, the wide TS wind field is expected to contract a little over the next 12 hours, leaving little room for damaging winds to ensue across Tinian and Saipan. Even so, as a precaution, a Tropical Storm Watch remains in effect for Tinian and Saipan at this time. For the other islands affected, a Typhoon Warning remains in effect for Pagan and Agrihan, meanwhile a Tropical Storm Warning and a Typhoon Watch remain in effect for Alamagan. .AREAS AFFECTED... This local statement provides important information and recommended actions for people in the CNMI, especially for the far Northern Marianas. .WATCHES/WARNINGS... A Typhoon Warning remains in effect for Pagan and Agrihan in the Commonwealth of the Northern Mariana Islands. Typhoon force winds of 74 mph or more are expected, with the onset of damaging winds of 39 mph or greater expected after midnight. A Tropical Storm Warning remains in effect for Alamagan in the Commonwealth of the Northern Mariana Islands. A Tropical Storm Warning means that tropical storm force winds of 39 to 73 mph are expected after midnight. A Typhoon Watch remains in effect for Alamagan in the Commonwealth of the Northern Marian…

    最高第 319:06 达到19:06 首次观测上榜22:50 观测离榜累计约3小时44分
  21. 21
    Extreme Heat Warning issued August 21 at 4:05AM PDT until August 23 at 8:00PM PDT by NWS Las Vegas NV

    * WHAT...Dangerously hot conditions with temperatures up to 115 to 118 degrees expected through Death Valley and the lower Colorado River Valley, with highs between 107 to 110 degrees elsewhere. Near record warm low temperatures expected in urban areas. * WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake Havasu, Northwest Deserts, Death Valley National Park, and Las Vegas Valley. * WHEN...Until 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.

    最高第 219:06 达到19:06 首次观测上榜22:50 观测离榜累计约3小时44分
  22. 22
    Extreme Heat Warning issued August 21 at 4:05AM PDT until August 21 at 8:00PM PDT by NWS Las Vegas NV

    * WHAT...Dangerously hot conditions with high temperatures 104 to 108 and near record warm overnight low temperatures this morning. * WHERE...In Arizona, Hualapai Mountains. In California, Cadiz Basin, Eastern Mojave Desert, and Morongo Basin. In Nevada, Northeast Clark County, Southern Clark County, and Western Clark and Southern Nye County. * WHEN...Until 8 PM PDT /8 PM MST/ this evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.

    最高第 119:06 达到19:06 首次观测上榜22:50 观测离榜累计约3小时44分
  23. 23
    Fire Weather Watch issued August 21 at 4:09AM PDT until August 22 at 9:00PM PDT by NWS Medford OR

    * IMPACTS...Gusty winds combined with low RH could lead to the rapid spread of any new or existing fires. * AFFECTED AREA...In Oregon, Fire weather zone 624, including the Wrights Spring Fire and the Fremont-Winema National Forest. * WIND...South to southwest 15 to 20 mph with gusts up to 30 mph. * HUMIDITY...Minimum humidity around 12 to 18 percent. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.

    最高第 319:38 达到19:22 首次观测上榜23:06 观测离榜累计约3小时44分
  24. 24
    Red Flag Warning issued August 21 at 4:09AM PDT until August 21 at 9:00PM PDT by NWS Medford OR

    A Red Flag Warning has also been issued from 2 PM to 9 PM PDT Friday. * IMPACTS...Gusty winds combined with low RH could lead to the rapid spread of any new or existing fires. * AFFECTED AREA...In California...Fire weather zone 281, including the Shasta Valley. * WIND...South to southwest 15 to 25 mph with gusts up to 30 mph. * HUMIDITY...Minimum humidity 12 to 17 percent. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities.

    最高第 519:22 达到19:22 首次观测上榜23:06 观测离榜累计约3小时44分
  25. 25
    Red Flag Warning issued August 21 at 4:09AM PDT until August 21 at 9:00PM PDT by NWS Medford OR

    * IMPACTS...Gusty winds combined with low RH could lead to the rapid spread of any new or existing fires. * AFFECTED AREA...In Oregon, Fire weather zone 624, including the Wrights Spring Fire and the Fremont-Winema National Forest. * WIND...South to southwest 15 to 20 mph with gusts up to 30 mph. * HUMIDITY...Minimum humidity around 12 to 18 percent. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.

    最高第 719:22 达到19:22 首次观测上榜22:50 观测离榜累计约3小时28分
  26. 26
    Red Flag Warning issued August 21 at 4:09AM PDT until August 21 at 9:00PM PDT by NWS Medford OR

    * IMPACTS...Gusty winds combined with low RH could lead to the rapid spread of any new or existing fires. * AFFECTED AREA...In California...Fire weather zones 284 and 285, including the Modoc National Forest. * WIND...South to southwest 15 to 20 mph with gusts 25 to 30 mph. * HUMIDITY...Minimum humidity 10 to 17 percent. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning.

    最高第 619:22 达到19:22 首次观测上榜22:50 观测离榜累计约3小时28分
  27. 27
    Tornado Watch issued August 20 at 3:00PM EDT until August 20 at 10:00PM EDT by NWS Mount Holly NJ

    THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 605 UNTIL 10 PM EDT THIS EVENING WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 604. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN DELAWARE THE NEW WATCH INCLUDES 3 COUNTIES IN CENTRAL DELAWARE KENT IN NORTHERN DELAWARE NEW CASTLE IN SOUTHERN DELAWARE SUSSEX IN MARYLAND THE NEW WATCH INCLUDES 4 COUNTIES IN NORTHEAST MARYLAND CAROLINE KENT QUEEN ANNE'S TALBOT IN NEW JERSEY THE NEW WATCH INCLUDES 7 COUNTIES IN SOUTHERN NEW JERSEY ATLANTIC BURLINGTON CAMDEN CAPE MAY CUMBERLAND GLOUCESTER SALEM IN PENNSYLVANIA THE NEW WATCH INCLUDES 5 COUNTIES IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ATLANTIC CITY, CAMDEN, CENTREVILLE, CHERRY HILL, CHESTERTOWN, DENTON, DEPTFORD, DOVER, DOYLESTOWN, EASTON, GEORGETOWN, GLASSBORO, HAMMONTON, MEDIA, MILLVILLE, MOORESTOWN, MOUNT HOLLY, NORRISTOWN, OCEAN CITY, PENNSVILLE, PHILADELPHIA, WEST CHESTER, AND WILMINGTON.

    最高第 303:38 达到03:06 首次观测上榜06:34 观测离榜累计约3小时28分
  28. 28
    Tornado Watch issued August 20 at 3:00PM EDT until August 20 at 10:00PM EDT by NWS Mount Holly NJ

    THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 605 UNTIL 10 PM EDT THIS EVENING WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 604. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS THE NEW WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM

    最高第 303:22 达到03:06 首次观测上榜06:34 观测离榜累计约3小时28分
  29. 29
    Flood Warning issued August 21 at 1:29AM CDT until August 21 at 5:00AM CDT by NWS Huntsville AL

    * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Limestone County in north central Alabama... Madison County in north central Alabama... Northern Morgan County in north central Alabama... Northwestern Jackson County in northeastern Alabama... Northwestern Marshall County in northeastern Alabama... Northeastern Lawrence County in northwestern Alabama... * WHEN...Until 500 AM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 129 AM CDT, emergency management reported heavy rain in Broadcast media recently reported that Church Street in Decatur was impassable due to high water. due to thunderstorms. Flooding is already occurring. Between 2 and 4 inches of rain have fallen. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Huntsville, Decatur, Madison, Athens, Scottsboro, Hartselle, Moores Mill, Redstone Arsenal, Meridianville, Priceville, Trinity, Stevenson, Owens Cross Roads, Hollywood, Skyline, Gurley, Woodville, Pisgah, Triana and Alabama A And M University. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

    最高第 214:34 达到14:34 首次观测上榜18:02 观测离榜累计约3小时28分
  30. 30
    Flood Warning issued August 21 at 6:03AM EDT until August 23 at 9:38AM EDT by NWS Wilmington OH

    ...The Flood Warning is extended for the following rivers... Scioto River at Circleville. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Scioto River at Circleville. * WHEN...Until Sunday morning. * IMPACTS...At 20.0 feet, Flooding occurs mainly west of Circleville along Mill and Canal Roads, as well as Island Road and State Route 762, with some Island Road residents cut off north of Commercial Point Road. Backwater flooding along Big Darby Creek causes flooding along roadways, with backwater flooding along Hargus Creek flooding low areas of Ted Lewis Park. Flooding may occur along State Route 56 north of U.S. 22 west of Circleville. * ADDITIONAL DETAILS... - At 5:45 AM EDT Friday the stage was 17.6 feet. - Forecast...The river is expected to rise to a crest of 19.6 feet just after midnight tonight. It will then fall below flood stage early Sunday morning. - Flood stage is 15.0 feet. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/iln.

    最高第 118:18 达到18:18 首次观测上榜21:30 观测离榜累计约3小时12分
  31. 31
    Fire Weather Watch issued August 21 at 5:30AM PDT until August 22 at 11:00PM PDT by NWS Seattle WA

    * AFFECTED AREA...Fire Weather Zone 652 West Portion of the Olympic Mountains and Fire Weather Zone 661 East Portion of the Olympic Mountains. * LIGHTNING...Scattered thunderstorm coverage is possible across the Olympics. * OUTFLOW WINDS...Any storms that develop will be capable of gusty and erratic outflow winds between 20 and 30 miles per hour. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area. Safety instructions: A Fire Weather Watch means that there is a potential for critical fire weather conditions to develop. Monitor the forecasts for possible Red Flag Warnings.

    最高第 120:42 达到20:42 首次观测上榜当日结束时仍在榜累计约3小时12分
  32. 32
    Fire Weather Watch issued August 21 at 5:30AM PDT until August 22 at 11:00PM PDT by NWS Seattle WA

    * AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet. * LIGHTNING...Scattered thunderstorm coverage is possible across the North Cascades. * OUTFLOW WINDS...Any storms that develop will be capable of gusty and erratic outflow winds between 20 and 30 miles per hour. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area. Safety instructions: A Fire Weather Watch means that there is a potential for critical fire weather conditions to develop. Monitor the forecasts for possible Red Flag Warnings.

    最高第 220:42 达到20:42 首次观测上榜当日结束时仍在榜累计约3小时12分
  33. 33
    Flood Warning issued August 21 at 4:10AM EDT until August 21 at 4:00PM EDT by NWS Charleston WV

    * WHAT...Flooding caused by excessive rainfall continues. * WHERE...North Central Washington County in southeastern Ohio... * WHEN...Until 400 PM EDT Friday. * IMPACTS...In Macksburg, Main Street near the creek floods and agricultural fields adjacent to creek flood at 13 feet. The campground next to the gauge floods and Broad Street near the gauge floods at 14.5 feet. * ADDITIONAL DETAILS... - At 402 AM EDT, the automated gauge on Duck Creek at Macksburg was at 13.9 feet, above its minor flood stage of 13 feet, and rising slowly. - Some locations that will experience flooding include... Macksburg and Whipple. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

    最高第 116:10 达到16:10 首次观测上榜19:22 观测离榜累计约3小时12分
  34. 34
    Flood Warning issued August 21 at 3:55AM EDT until August 21 at 2:00PM EDT by NWS Indianapolis IN

    * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central Rush County in central Indiana... * WHEN...Until 200 PM EDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 355 AM EDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is already occurring in the warned area. - Some locations that will experience flooding include... Rushville and Moscow. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

    最高第 416:42 达到16:10 首次观测上榜19:22 观测离榜累计约3小时12分
  35. 35
    Fire Weather Watch issued August 20 at 10:05PM PDT until August 22 at 11:00PM PDT by NWS Seattle WA

    * AFFECTED AREA...Fire Weather Zone 652 West Portion of the Olympic Mountains and Fire Weather Zone 661 East Portion of the Olympic Mountains. * LIGHTNING...Scattered thunderstorm coverage is possible across the Olympics. * OUTFLOW WINDS...Any storms that develop will be capable of gusty and erratic outflow winds between 20 and 30 miles per hour. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area. Safety instructions: A Fire Weather Watch means that there is a potential for critical fire weather conditions to develop. Monitor the forecasts for possible Red Flag Warnings.

    最高第 613:14 达到13:14 首次观测上榜16:10 观测离榜累计约2小时56分
  36. 36
    Fire Weather Watch issued August 20 at 10:05PM PDT until August 22 at 11:00PM PDT by NWS Seattle WA

    * AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet. * LIGHTNING...Scattered thunderstorm coverage is possible across the North Cascades. * OUTFLOW WINDS...Any storms that develop will be capable of gusty and erratic outflow winds between 20 and 30 miles per hour. Outflow winds can occur ahead of and behind storms and cause erratic wind directions. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area. Safety instructions: A Fire Weather Watch means that there is a potential for critical fire weather conditions to develop. Monitor the forecasts for possible Red Flag Warnings.

    最高第 513:14 达到13:14 首次观测上榜16:10 观测离榜累计约2小时56分
  37. 37
    Flash Flood Warning issued August 21 at 2:19AM EDT until August 21 at 6:15AM EDT by NWS Peachtree City GA

    FFWFFC The National Weather Service in Peachtree City has issued a * Flash Flood Warning for... Southeastern Catoosa County in northwestern Georgia... Southeastern Walker County in northwestern Georgia... Central Whitfield County in northwestern Georgia... * Until 615 AM EDT. * At 219 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Dalton, Varnell, Tunnel Hill, Mill Creek, Rocky Face, Wood Station, Villanow and Naomi. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

    最高第 314:34 达到14:34 首次观测上榜17:30 观测离榜累计约2小时56分
  38. 38
    Flood Warning issued August 21 at 8:44AM EDT until August 21 at 8:00PM EDT by NWS Wilmington OH

    * WHAT...Flooding caused by excessive rainfall continues. * WHERE...North Central Fairfield County in central Ohio... South Central Licking County in central Ohio... * WHEN...Until 800 PM EDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. Streams continue to rise due to excess runoff from yesterday's rainfall. * ADDITIONAL DETAILS... - At 842 AM EDT, Emergency management and law enforcement have reported flooding in the warned area due to ongoing overland and river flooding. Flooding will continue through Friday evening. - Some locations that may experience flooding include... Buckeye Lake, Hebron, Millersport, Fairfield Beach, Harbor Hills, Etna, and Kirkersville. This includes Interstate 70 at State Routes 158, 37, 79, and 13. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

    最高第 220:58 达到20:58 首次观测上榜当日结束时仍在榜累计约2小时56分
  39. 39
    Extreme Heat Warning issued August 21 at 4:37AM CDT until August 21 at 8:00PM CDT by NWS Jackson MS

    * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values in excess of 110 degrees expected and up to 115 degrees possible. * WHERE...Portions of northeast Louisiana and central, south central, southwest, and west central Mississippi. * WHEN...From 11 AM this morning to 8 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Monitor the latest forecasts and warnings for updates.

    最高第 117:46 达到17:46 首次观测上榜20:42 观测离榜累计约2小时56分
  40. 40
    Flood Warning issued August 21 at 5:54AM EDT until August 22 at 5:00AM EDT by NWS Wilmington OH

    ...The Flood Warning continues for the following rivers... South Fork Licking River Near I 70 near Buckeye Lake. * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...South Fork Licking River near I 70 near Buckeye Lake. * WHEN...Until late tonight. * IMPACTS...At 883.0 feet, both eastbound and westbound lanes of Interstate 70 are closed from flooding near Exit 129, with over a foot of water likely on both eastbound and westbound lanes. Significant flooding of the KOA campground occurs, as well as Buckeye Lake Estates and other homes and businesses near the river channel. Flooding will also impact portions of Interstate 70 between Exit 122 and Exit 126. * ADDITIONAL DETAILS... - At 4:45 AM EDT Friday the stage was 882.7 feet. - Forecast...The river is expected to rise to a crest of 883.0 feet late this morning. It will then fall below flood stage late this evening. - Flood stage is 880.0 feet. - Flood History...This crest compares to a previous crest of 882.9 feet on 03/21/2020. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/iln.

    最高第 118:02 达到18:02 首次观测上榜20:58 观测离榜累计约2小时56分
  41. 41
    Flood Warning issued August 21 at 6:54AM EDT until August 21 at 10:00AM EDT by NWS Pittsburgh PA

    * WHAT...Urban areas and small streams flooding caused by excessive rainfall continues. * WHERE...Monroe County in east central Ohio... Noble County in east central Ohio... * WHEN...Until 1000 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. It will take several hours for all the water from these storms to work through local drainage systems in urban areas. * ADDITIONAL DETAILS... - At 654 AM EDT, Gauge reports indicated heavy rain. Flooding is ongoing or expected to begin shortly in the warned area. Between 1 and 2 inches of rain have fallen. - Some locations that will experience flooding include... New Martinsville, Woodsfield, Caldwell, Dudley, Sardis, Beallsville, Clarington, Summerfield, Belle Valley, Lewisville, Sarahsville, Jerusalem, Dexter City, Wilson, Fly, Cameron, Antioch, Stafford and Graysville. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

    最高第 419:06 达到19:06 首次观测上榜22:02 观测离榜累计约2小时56分
  42. 42
    Extreme Heat Warning issued August 21 at 12:29AM CDT until August 21 at 9:00PM CDT by NWS Shreveport LA

    * WHAT...Dangerously hot conditions with heat index values up to 114 degrees expected. * WHERE...Portions of south central and southwest Arkansas, north central and northwest Louisiana, and east and northeast Texas. * WHEN...From 10 AM this morning to 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

    最高第 113:30 达到13:30 首次观测上榜16:58 观测离榜上榜 2 次(重入 1 次)累计约2小时56分
  43. 43
    Tornado Watch issued August 20 at 3:01PM EDT until August 20 at 10:00PM EDT by NWS Baltimore MD/Washington DC

    THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 605 UNTIL 10 PM EDT THIS EVENING WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 604. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THE NEW WATCH INCLUDES 12 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTH CENTRAL MARYLAND CARROLL IN NORTHEAST MARYLAND CECIL IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THE NEW WATCH INCLUDES 11 COUNTIES IN CENTRAL VIRGINIA CITY OF FREDERICKSBURG KING GEORGE IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK FAIRFAX PRINCE WILLIAM STAFFORD THIS INCLUDES THE CITIES OF ABERDEEN, ABINGDON, ADAMS MORGAN, ADEN, ALEXANDRIA, ANDORA, ANNANDALE, ANNAPOLIS, APPLETON, ARKENDALE, ARLINGTON, ARNOLD, BALLSTON, BALTIMORE, BARCROFT, BARKSDALE, BAY VIEW, BETHESDA, BLAKE, BOHEMIAS MILLS, BOWIE, BOYDS, BRANTWOOD, BROOKFIELD, BROOMES ISLAND, BURKE, BYNUM, CALIFORNIA, CALLAWAY, CATONSVILLE, CHANTILLY, CHERRYDALE, CHESAPEAKE BEACH, CLARKSVILLE, CLINTON, COLLEGE PARK, COLUMBIA, COVE POINT, DAHLGREN, DALE CITY, DAMERON, DRUM POINT, DUNDALK, DUNKIRK, EDGEWOOD, ELDERSBURG, ESSEX, FAIRFAX, FAIRFAX STATION, FALLS CHURCH, FALMOUTH, FELLS POINT, FOUR CORNERS, FREDERICKSBURG, GAITHERSBURG, GAMBER, GARRISONVILLE, GERMANTOWN, GLEN BURNIE, GLENDIE, GLENMONT, GREENBELT, HARFORD FURNACE, HICKORY, HISTORIC ELLICOTT CITY, INDEPENDENT HILL, LAKE R…

    最高第 103:22 达到03:06 首次观测上榜06:02 观测离榜累计约2小时56分
  44. 44
    Tornado Watch issued August 20 at 3:01PM EDT until August 20 at 10:00PM EDT by NWS Baltimore MD/Washington DC

    THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 605 UNTIL 10 PM EDT THIS EVENING WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 604. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS THE NEW WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS CHESAPEAKE BAY NORTH OF POOLES ISLAND MD CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA PATAPSCO RIVER INCLUDING BALTIMORE HARBOR CHESTER RIVER TO QUEENSTOWN MD EASTERN BAY CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER PATUXENT RIVER TO BROOMES ISLAND MD TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND

    最高第 103:38 达到03:06 首次观测上榜06:02 观测离榜累计约2小时56分
  45. 45
    Flood Warning issued August 21 at 6:51AM EDT until August 22 at 10:24AM EDT by NWS Wilmington OH

    ...The Flood Warning is extended for the following rivers... South Fork Licking River near Hebron. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...South Fork Licking River near Hebron. * WHEN...Until Saturday morning. * IMPACTS...At 12.0 feet, Water spills onto sections of Mill Dam Road. Backwater creek flooding from the South Fork of the Licking River also occurs in the Greenbriar Estates Mobile Home Park, with water beginning to surround some homes along Greenbriar Lane East but not entering the main levels. * ADDITIONAL DETAILS... - At 6:15 AM EDT Friday the stage was 11.7 feet. - Forecast...The river is expected to rise to a crest of 12.0 feet this afternoon. It will then fall below flood stage late tonight. - Flood stage is 11.0 feet. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/iln.

    最高第 519:06 达到19:06 首次观测上榜22:18 观测离榜上榜 2 次(重入 1 次)累计约2小时40分
  46. 46
    Extreme Heat Warning issued August 21 at 1:42AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

    * WHAT...Dangerously hot conditions with temperatures up to 113 through Sunday, and up to 115 for Tuesday through Friday of next week. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Friday August 28th. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

    最高第 116:58 达到16:58 首次观测上榜19:38 观测离榜累计约2小时40分
  47. 47
    Fire Weather Watch issued August 21 at 2:36AM PDT until August 22 at 10:00PM PDT by NWS Spokane WA

    ...THUNDERSTORMS, GUSTY WINDS, AND LOW RELATIVE HUMIDITY SATURDAY INTO SUNDAY... .A strong cold front will move through the region Saturday into Sunday, bringing a risk for thunderstorms and strong south to southwest winds. This will lead to critical fire weather conditions across the region. * Affected Area: Foothills of Northeast Washington (Zone 701), Colville Reservation (Zone 702), Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707), Eastern Columbia Basin - Palouse -Spokane Area (Zone 708) and Lower Palouse -Snake River (Zone 709). * Winds: West/Southwest 15 to 25 mph with gusts up to 40 mph. * Relative Humidities: 17 to 25 percent. * Impacts: Rapid fire spread is possible with any new or ongoing fires. Safety instructions: A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

    最高第 317:46 达到17:46 首次观测上榜20:42 观测离榜上榜 2 次(重入 1 次)累计约2小时24分
  48. 48
    Flood Watch issued August 21 at 3:29AM HST until August 24 at 6:00PM HST by NWS Honolulu HI

    Tropical Depression Two-C will bring areas of heavy rain to portions of the Big Island late Saturday through Monday afternoon. * WHAT...Flash flooding caused by excessive rainfall is possible for windward and southeast Big Island. * WHERE...The Big Island. * WHEN...From late Saturday night through Monday afternoon. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - Tropical Depression Two-C is forecast to bring periods of heavy rain to the Big Island from late Saturday night through Monday afternoon. Rainfall totals of 5 to 10 inches, locally up to 15 inches, are possible on windward and southeast Big Island. It will not take a significant amount of rain to cause flash flooding due to saturated grounds from recent heavy rains. Safety instructions: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

    最高第 121:30 达到21:30 首次观测上榜当日结束时仍在榜累计约2小时24分
  49. 49
    Flood Warning issued August 21 at 9:25AM EDT until August 22 at 4:00PM EDT by NWS Wilmington OH

    ...The Flood Warning is extended for the following rivers... South Fork Licking River Near I 70 near Buckeye Lake. * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...South Fork Licking River near I 70 near Buckeye Lake. * WHEN...Until Saturday afternoon. * IMPACTS...At 883.0 feet, both eastbound and westbound lanes of Interstate 70 are closed from flooding near Exit 129, with over a foot of water likely on both eastbound and westbound lanes. Significant flooding of the KOA campground occurs, as well as Buckeye Lake Estates and other homes and businesses near the river channel. Flooding will also impact portions of Interstate 70 between Exit 122 and Exit 126. * ADDITIONAL DETAILS... - At 8:45 AM EDT Friday the stage was 882.8 feet. - Forecast...The river will oscillate above flood stage with a maximum value of 882.9 feet late this morning. It will fall below flood stage late tomorrow morning. - Flood stage is 880.0 feet. - Flood History...This crest compares to a previous crest of 882.9 feet on 03/21/2020. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/iln.

    最高第 221:30 达到21:30 首次观测上榜当日结束时仍在榜累计约2小时24分
  50. 50
    Flood Warning issued August 21 at 9:17AM EDT until August 22 at 3:00AM EDT by NWS Pittsburgh PA

    ...The National Weather Service in Pittsburgh has issued a Flood Warning for the following rivers in Ohio... Wills Creek At Cambridge affecting Guernsey County. * WHAT...Minor flooding is forecast. * WHERE...Wills Creek at Cambridge. * WHEN...Until late tonight. * IMPACTS...At 15.0 feet, Overflowing of poor drainage and low lying areas will result in minor flooding along wills creek. At 16.0 feet, Basement flooding begins through floor drains and other sewer connections. Local interruptions in sanitary service may occur along Gordon's Run from 3rd Street to 6th Street. * ADDITIONAL DETAILS... - At 8:15 AM EDT Friday the stage was 14.9 feet. - Bankfull stage is 13.0 feet. - Forecast...The river is expected to rise above flood stage late this morning to a crest of 15.2 feet this afternoon. It will then fall below flood stage late this evening. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood Safety instructions: Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at weather.gov/pbz. The next statement will be issued this evening at 930 PM EDT.

    最高第 321:30 达到21:30 首次观测上榜当日结束时仍在榜累计约2小时24分