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U.S. Severe Weather Map

Päivitetty: 05:15 PM GMT on toukokuu 09, 2008Edit My Time Zone
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Click on a colored region of the map for details.

Weather Warning Legend:
 
Tornado Warning - Tornado Warning
A tornado warning is issued when a funnel cloud has been spotted or a rotating thunderstorm has been indicated by doppler radar.
Tornado Watch - Tornado Watch
A tornado watch is issued when thunderstorms in and near the watch box area may produce tornadoes.
Severe Thunderstorm Warning - Severe Thunderstorm Warning
A severe thunderstorm warning is issued when a storm with any of these severe weather criteria is approaching the warning area:
  • Hail 3/4 of an inch or greater
  • Winds greater than 58 mph
  • Recent history of tree, telephone pole, or other structural damage
Severe Thunderstorm Watch - Severe Thunderstorm Watch
A severe thunderstorm watch is issued when there is a possibility that thunderstorms in and near the watch box area may produce the following severe weather conditions:
  • Hail 3/4 of an inch or greater
  • Winds greater than 58 mph
Winter Weather Advisory - Winter Weather Advisory
A winter weather advisory is issued when significant accumulations of snow, sleet, or freezing rain may affect the advisory area.
High Wind Advisory - High Wind Advisory
A high wind advisory is issued when sustained winds of 31 mph or greater are expected to occur for at least 1 hour. This advisory can also be issued if winds of 46 mph or greater are expected for any length of time.
Flood Warning - Flood Warning
A flood warning is issued when flooding is occuring or is about to occur.
Flood Watch / Flood Statement - Flood Watch / Flood Statement
A flood watch is issued when flooding is possible in the watch area.
Hurricane Local Statement - Hurricane Local Statement
This statement is issued when it is necessary to inform the public of hurricane or tropical storm watches and warnings. These statements contain detailed information of when and what adverse conditions to expect as a result of the tropical system affecting the statement area.
Heat Advisory - Heat Advisory
A heat advisory is issued when the heat index is expected to exceed 105° F (100° F in New York City) or if nighttime lows are expected to be greater than 80° F for two or more nights.
Dense Fog Advisory - Dense Fog Advisory
A dense fog advisory is issued when fog that reduces visibility to 1/4 mile or less is possible in the advisory area.
Fire Weather Advisory - Fire Weather Advisory
A fire weather advisory is issued when dry conditions in the advisory area result in a situation where forest or brush fires are possible.
Hurricane Watch - Hurricane Watch
A Hurricane Watch means hurricane conditions are possible in the next 24 hours.
Hurricane Warning - Hurricane Warning
A Hurricane Warning means hurricane conditions are expected in the next 24 hours.
Tropical Storm Watch - Tropical Storm Watch
A Tropical Storm warning means tropical storm conditions are possible in the next 24 hours.
Tropical Storm Warning - Tropical Storm Warning
A Tropical Storm warning means tropical storm conditions are expected in the next 24 hours.
 
U.S. Warnings by County
 
 
Alabama
Public Information Statement:
Alaska
Areal Flood Warning:
Areal Flood Watch:
Arizona
Fire Weather Warning:
Arkansas
Flood Warning:
Special Weather Statement:
California
Wind Advisory:
Record Report:
Public Information Statement:
Colorado
Flood Advisory, Areal Flood Advisory:
Areal Flood Advisory:
Flood Advisory:
Fire Weather Warning:
Public Information Statement:
Alamosa Vicinity/Central San Luis Valley Below 8500 Ft, Animas River Basin, Central Chaffee County Below 9000 Ft, Central Colorado River Basin, Central Gunnison and Uncompahgre River Basin, Central Yampa River Basin, Cheyenne County, Debeque to Silt Corridor, Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft, Eastern San Juan Mountains Above 10000 Ft, Eastern Sawatch Mountains Above 11000 Ft, Elkhead and Park Mountains, Flattops, Four Corners/Upper Dolores River, Gore and Elk Mountains/Central Mountain Valleys, Grand and Battlement Mesas, Grand Valley, Kit Carson County, La Garita Mountains Above 10000 Ft, Leadville Vicinity/Lake County Below 11000 Ft, Lower Yampa River Basin, Northern Sangre De Cristo Mountains Above 11000 Feet, Northern Sangre De Cristo Mountains Between 8500 And 11000 Ft, Northwestern Fremont County above 8500 Ft, Northwestern San Juan Mountains, Paradox Valley/Little Dolores River, Roan and Tavaputs Plateaus, Saguache County East of Continental Divide Below 10000 Ft, Saguache County West of Continental Divide Below 10000 Ft, San Juan River Basin, Southern San Luis Valley, Southern Sangre De Cristo Mountains Above 11000 Ft, Southern Sangre De Cristo Mountains Between 7500 and 11000 Ft, Southwest San Juan Mountains, Teller County/Rampart Range above 7500 Ft/Pikes Peak Between 7500 And 11000 Ft, Uncompahgre Plateau/Dallas Divide, Upper Gunnison River Valley, Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Ft, Upper Yampa River Basin, West Elk and Sawatch Mountains, Western Chaffee County Between 9000 and 11000 Ft, Western Mosquito Range/East Chaffee County Above 9000 Ft, Western Mosquito Range/East Lake County Above 11000 Ft, Western/Central Fremont County Below 8500 Ft, Wet Mountain Valley Below 8500 Feet, Wet Mountains Above 10000 Ft, Wet Mountains Between 6300 and 10000 Ft, Yuma County
Connecticut
Public Information Statement:
District of Columbia
Public Information Statement:
Florida
Lake Wind Advisory:
Public Information Statement:
Georgia
Lake Wind Advisory:
Public Information Statement:
Idaho
Lake Wind Advisory:
Record Report:
Illinois
Flood Warning:
Hydrologic Statement:
Indiana
Flood Warning:
Public Information Statement:
Iowa
Flood Warning:
Public Information Statement:
Kansas
Flood Warning:
Areal Flood Advisory:
Public Information Statement:
Kentucky
Public Information Statement:
Louisiana
Flood Warning:
Maryland
Public Information Statement:
Massachusetts
Wind Advisory:
Public Information Statement:
Michigan
Public Information Statement:
Minnesota
Public Information Statement:
Mississippi
Flood Warning:
Special Weather Statement:
Missouri
Flood Warning:
Areal Flood Advisory:
Special Weather Statement:
Public Information Statement:
Montana
Areal Flood Advisory:
Nebraska
Flood Warning:
Areal Flood Warning:
Public Information Statement:
New Hampshire
Public Information Statement:
New Mexico
Fire Weather Warning:
Fire Weather Watch, Fire Weather Warning:
Fire Weather Warning, Fire Weather Watch:
New York
Wind Advisory:
North Carolina
Flood Warning:
Coastal Flood Statement:
Special Weather Statement:
Public Information Statement:
North Dakota
Special Weather Statement:
Public Information Statement:
Ohio
Public Information Statement:
Oklahoma
Flood Warning:
Oregon
Record Report:
Public Information Statement:
Pennsylvania
Public Information Statement:
Rhode Island
Wind Advisory:
Public Information Statement:
South Carolina
Public Information Statement:
South Dakota
Flood Warning:
Areal Flood Warning:
Areal Flood Advisory:
Public Information Statement:
Tennessee
Special Weather Statement:
Public Information Statement:
Texas
Fire Weather Warning, Fire Weather Watch:
Fire Weather Warning:
Fire Weather Watch:
Record Report:
Public Information Statement:
Utah
Fire Weather Warning:
Special Weather Statement:
Public Information Statement:
Virginia
Flood Warning:
Public Information Statement:
Washington
Record Report:
Public Information Statement:
West Virginia
Public Information Statement:
Wisconsin
Flood Warning:
Public Information Statement:
Wyoming
Areal Flood Warning:
 
 

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