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U.S. Severe Weather Map

Updated: 7:00 PM GMT on July 04, 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 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
 
 
Alabama
Special Weather Statement:
Arkansas
Severe Thunderstorm Warning:
Flood Warning:
Areal Flood Advisory:
Special Weather Statement:
Record Report:
California
Special Weather Statement:
Record Report:
Colorado
Public Information Statement:
Florida
Special Weather Statement:
Georgia
Special Weather Statement:
Idaho
Lake Wind Advisory:
Fire Weather Warning:
Record Report:
Illinois
Flood Warning:
Record Report:
Iowa
Flood Warning:
Public Information Statement:
Kansas
Public Information Statement:
Kentucky
Flash Flood Watch:
Special Weather Statement:
Louisiana
Flood Warning:
Special Weather Statement:
Record Report:
Michigan
Flood Warning:
Minnesota
Public Information Statement:
Mississippi
Severe Thunderstorm Warning:
Special Weather Statement:
Missouri
Flood Warning:
Areal Flood Advisory:
Public Information Statement:
Montana
Flood Warning:
Lake Wind Advisory:
Public Information Statement:
Nebraska
Public Information Statement:
Nevada
Wind Advisory:
Fire Weather Warning:
New Mexico
Severe Thunderstorm Warning:
Special Weather Statement:
North Carolina
Special Weather Statement:
Record Report:
North Dakota
Flood Warning:
Ohio
Flood Warning:
Flash Flood Watch:
Flash Flood Watch, Areal Flood Advisory:
Oklahoma
Areal Flood Advisory:
Record Report:
Oregon
Record Report:
South Carolina
Severe Thunderstorm Warning:
Special Weather Statement:
South Dakota
Public Information Statement:
Tennessee
Special Weather Statement:
Texas
Areal Flood Advisory:
Record Report:
Utah
Fire Weather Warning:
Special Weather Statement:
Record Report:
Virginia
Severe Thunderstorm Warning:
Special Weather Statement:
Washington
Record Report:
West Virginia
Flash Flood Watch:
Flash Flood Watch, Areal Flood Advisory:
Areal Flood Advisory:
Wisconsin
Flood Warning:
Public Information Statement:
Wyoming
Record Report:
 
 

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