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U.S. Severe Weather Map

Uuendatud: 02:20 GMT 12. Mai 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
Record Report:
Public Information Statement:
Alaska
Wind Advisory:
Public Information Statement:
Arizona
Wind Advisory:
Fire Weather Watch:
Record Report:
Arkansas
Flood Warning:
Record Report:
Public Information Statement:
California
Lake Wind Advisory:
Fire Weather Watch:
Special Weather Statement:
Colorado
Winter Storm Watch:
Fire Weather Warning:
Record Report:
Public Information Statement:
Connecticut
Coastal Flood Advisory:
Delaware
Coastal Flood Warning:
Areal Flood Watch:
Wind Advisory:
District of Columbia
Areal Flood Warning:
Areal Flood Watch:
Florida
Lake Wind Advisory:
Fire Weather Warning:
Fire Weather Warning, Fire Weather Watch:
Fire Weather Watch, Fire Weather Warning:
Special Weather Statement:
Record Report:
Georgia
Wind Advisory:
Lake Wind Advisory:
Fire Weather Warning:
Record Report:
Public Information Statement:
Guam
Flood Watch / Flood Statement:
Hawaii
Flood Watch / Flood Statement:
Idaho
Lake Wind Advisory:
Record Report:
Illinois
Flood Warning:
Public Information Statement:
Indiana
Flood Warning:
Wind Advisory:
Iowa
Flood Warning:
Public Information Statement:
Kansas
Fire Weather Warning:
Public Information Statement:
Kentucky
Wind Advisory:
Public Information Statement:
Louisiana
Flood Warning:
Maryland
Areal Flood Warning:
Areal Flood Watch:
Areal Flood Watch, Coastal Flood Advisory:
Coastal Flood Watch:
Coastal Flood Advisory:
Wind Advisory:
High Wind Warning:
Special Weather Statement:
Minnesota
Record Report:
Mississippi
Flood Warning:
Record Report:
Missouri
Flood Warning:
Public Information Statement:
Montana
Special Weather Statement:
Nebraska
Fire Weather Warning:
Record Report:
Public Information Statement:
Nevada
Lake Wind Advisory:
New Jersey
Coastal Flood Warning:
Coastal Flood Advisory:
Wind Advisory:
New Mexico
Wind Advisory:
High Wind Watch:
Fire Weather Warning:
Fire Weather Warning, Fire Weather Watch:
Fire Weather Watch:
New York
Coastal Flood Advisory:
Wind Advisory:
North Carolina
Severe Thunderstorm Watch:
Severe Thunderstorm Watch:
Tornado Watch:
Severe Thunderstorm Warning:
Areal Flood Advisory:
High Wind Warning:
Wind Advisory:
Lake Wind Advisory:
Special Weather Statement:
Record Report:
North Dakota
Record Report:
Oklahoma
Flood Warning:
Fire Weather Watch:
Public Information Statement:
Oregon
Record Report:
Pennsylvania
Coastal Flood Warning:
Areal Flood Watch:
South Carolina
Tornado Watch:
Lake Wind Advisory:
Wind Advisory:
Record Report:
South Dakota
Record Report:
Tennessee
Wind Advisory:
Texas
Wind Advisory:
High Wind Watch:
Fire Weather Warning:
Fire Weather Watch:
Record Report:
Utah
Snow Advisory:
Fire Weather Warning:
Virginia
Tornado Watch:
Areal Flood Warning:
Areal Flood Advisory:
Areal Flood Watch:
High Wind Warning:
Wind Advisory:
Special Weather Statement:
West Virginia
Areal Flood Watch:
High Wind Warning:
Wind Advisory:
Wisconsin
Flood Warning:
Wyoming