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U.S. Severe Weather Map

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Updated: 11:20 PM GMT on March 22, 2009Edit 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:

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:

Winter Weather Statement - Winter Weather Statement

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
 
 

Alaska
Wind Advisory:
Wind Chill Advisory:
Winter Weather Advisory:
Record Report:
Public Information Statement:

Arizona
Wind Advisory:
High Wind Warning:
Fire Weather Warning:
Record Report:

Arkansas
Flood Warning:

California
Coastal Flood Statement:
High Surf Advisory:
Wind Advisory:
High Wind Warning:
Frost Advisory:
Record Report:
Public Information Statement:

Colorado
Wind Advisory:
Winter Storm Warning:
Winter Weather Advisory:
Fire Weather Watch, Fire Weather Warning:
Fire Weather Warning:
Fire Weather Warning, Fire Weather Watch:
Record Report:
Public Information Statement:

Florida
Coastal Flood Statement:
High Surf Advisory:
Lake Wind Advisory:
Fire Weather Warning:
Record Report:

Georgia
Coastal Flood Statement:

Idaho
Winter Weather Advisory:
Record Report:
Public Information Statement:

Illinois
Flood Warning:

Indiana
Flood Warning:

Iowa
Flood Warning:
Wind Advisory:

Kansas
Wind Advisory:
Fire Weather Watch:
Fire Weather Warning, Fire Weather Watch:
Public Information Statement:

Louisiana
Flood Warning:

Minnesota
Areal Flood Warning:
Areal Flood Warning:
Areal Flood Watch:
Wind Advisory:
Freezing Rain Advisory:

Mississippi
Flood Warning:

Missouri
Flood Warning:
Wind Advisory:

Montana
Flood Advisory:
Blizzard Warning:
Winter Storm Warning:
Winter Weather Advisory:
Blizzard Watch:
Record Report:

Nebraska
Wind Advisory:
Blizzard Warning:
Winter Storm Warning:
Winter Weather Advisory:

Nevada
Wind Advisory:
Lake Wind Advisory:
Winter Weather Advisory:
Record Report:

New Mexico
High Wind Warning:
Wind Advisory:
High Wind Warning, Wind Advisory:
Fire Weather Warning, Fire Weather Watch:
Fire Weather Warning:
Fire Weather Watch, Fire Weather Warning:

North Carolina
Flood Warning:

North Dakota
Areal Flood Warning:
Areal Flood Warning:
Areal Flood Warning, Flash Flood Warning:
Areal Flood Warning, Flash Flood Warning:
Areal Flood Watch:
Wind Advisory:
Winter Storm Watch:
Winter Weather Advisory:
Blizzard Warning:
Blizzard Watch:
Hydrologic Statement:
Public Information Statement:

Oklahoma
Wind Advisory:
Fire Weather Watch:

Oregon
Wind Advisory:
Frost Advisory:

Puerto Rico
Flash Flood Warning:
Areal Flood Advisory:

South Dakota
Flood Warning:
Areal Flood Advisory:
Areal Flood Watch:
Wind Advisory:
Blizzard Warning:
Winter Storm Watch:
Record Report:

Texas
Flood Warning:
Lake Wind Advisory:
High Wind Warning:
Wind Advisory:
Fire Weather Watch:
Fire Weather Warning:
Fire Weather Watch, Fire Weather Warning:
Special Weather Statement:

Utah
Wind Advisory:
Winter Weather Advisory:
Record Report:
Public Information Statement:

Washington
Record Report:

Wisconsin
Flood Warning:

Wyoming
Blizzard Warning:
Winter Storm Warning:
Winter Weather Advisory:
Record Report:
Public Information Statement: