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U.S. Severe Weather Map

Duomenys papildyti: 10:30 PM GMT on gegužės 10, 2008Keisti mano laiko juostą
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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
 
 
Alaska
Record Report:
Arizona
Fire Weather Watch:
Arkansas
Tornado Warning:
Tornado Watch:
Severe Thunderstorm Warning:
Flood Warning:
Wind Advisory:
Public Information Statement:
California
Lake Wind Advisory:
Fire Weather Watch:
Record Report:
Colorado
Frost Advisory, Wind Advisory:
Freeze Warning:
Fire Weather Watch, Fire Weather Warning:
Fire Weather Warning, Fire Weather Watch:
Fire Weather Warning:
Public Information Statement:
Delaware
Record Report:
District of Columbia
Areal Flood Watch:
Florida
Fire Weather Watch:
Record Report:
Georgia
Tornado Watch:
Severe Thunderstorm Warning:
Special Weather Statement:
Record Report:
Public Information Statement:
Guam
Flood Watch / Flood Statement:
Hawaii
Flood Watch / Flood Statement:
Idaho
Record Report:
Illinois
Flood Warning:
Areal Flood Watch:
Wind Advisory:
Indiana
Flood Warning:
Iowa
Flood Warning:
Flash Flood Watch:
Areal Flood Watch:
Wind Advisory:
Public Information Statement:
Kansas
Tornado Warning:
Tornado Watch:
Severe Thunderstorm Warning:
Flood Warning:
Frost Advisory, Wind Advisory:
Wind Advisory:
Special Weather Statement:
Public Information Statement:
Louisiana
Flood Warning:
Maryland
Areal Flood Watch:
Coastal Flood Watch:
Record Report:
Minnesota
Wind Advisory:
Public Information Statement:
Mississippi
Tornado Watch:
Flood Warning:
Missouri
Tornado Watch:
Severe Thunderstorm Warning:
Flood Warning:
Areal Flood Watch:
Wind Advisory:
Montana
Special Weather Statement:
Public Information Statement:
Nebraska
Freeze Warning, Wind Advisory:
Wind Advisory:
Frost Advisory, Wind Advisory:
Freeze Warning:
Record Report:
Public Information Statement:
Nevada
Lake Wind Advisory:
New Jersey
Record Report:
New Mexico
Wind Advisory:
Fire Weather Warning:
Fire Weather Watch, Fire Weather Warning:
New York
Frost Advisory:
North Carolina
Areal Flood Watch:
High Wind Watch:
Wind Advisory, High Wind Watch:
Record Report:
Public Information Statement:
Oklahoma
Tornado Warning:
Tornado Watch:
Severe Thunderstorm Warning:
Flood Warning:
Wind Advisory:
Special Weather Statement:
Public Information Statement:
Oregon
Record Report:
Pennsylvania
Frost Advisory:
Record Report:
Public Information Statement:
South Carolina
Tornado Watch:
Wind Advisory:
Lake Wind Advisory:
Special Weather Statement:
Record Report:
Public Information Statement:
South Dakota
Areal Flood Warning:
Wind Advisory:
Public Information Statement:
Tennessee
Tornado Watch:
Wind Advisory, High Wind Watch:
Public Information Statement:
Texas
Tornado Watch:
Wind Advisory:
Fire Weather Warning:
Special Weather Statement:
Record Report:
Utah
Fire Weather Warning:
Virginia
Flood Warning:
Areal Flood Watch:
High Wind Watch:
Public Information Statement:
Washington
Record Report:
West Virginia
Areal Flood Watch:
Wisconsin
Flood Warning:
Public Information Statement:
Wyoming
Areal Flood Warning:
 
 

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