Trova il meteo per Città, Stato, per Cap per Nazione
Previsioni veloci
Signup
Caratteristiche:
Tropicale
Marittimo
Severe
Astronomia
Sci
Educazione
Web Cams
Blogs
Climate Change
Preferiti
Personal Weather Stations

U.S. Severe Weather Map

Aggiornato: 01:30 PM GMT del 09 maggio 2008Edit My Time Zone
Visit StateFarm.com

Click on a colored region of the map for details.

Weather Warning Legend:
 
Avviso di tornado - Avviso di tornado
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.
Avviso di temporali forti - Avviso di temporali forti
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.
Avviso di vento forte - Avviso di vento forte
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.
Avviso di innondazioni - Avviso di innondazioni
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.
Avviso di calore estremo - Avviso di calore estremo
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.
Avviso di nebbia densa - Avviso di nebbia densa
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
Areal Flood Warning:
Areal Flood Watch:
Record Report:
Arizona
Fire Weather Warning:
Arkansas
Flood Warning:
Special Weather Statement:
California
Record Report:
Public Information Statement:
Colorado
Areal Flood Advisory:
Fire Weather Warning:
Public Information Statement:
Connecticut
Areal Flood Watch:
District of Columbia
Public Information Statement:
Florida
Lake Wind Advisory:
Georgia
Lake Wind Advisory:
Special Weather Statement:
Idaho
Lake Wind Advisory:
Record Report:
Public Information Statement:
Illinois
Flood Warning:
Hydrologic Statement:
Indiana
Flood Warning:
Public Information Statement:
Iowa
Flood Warning:
Kansas
Areal Flood Warning:
Flood Warning:
Public Information Statement:
Louisiana
Flood Warning:
Maryland
Areal Flood Warning:
Public Information Statement:
Massachusetts
Wind Advisory:
Michigan
Public Information Statement:
Minnesota
Flood Warning:
Mississippi
Flood Warning:
Special Weather Statement:
Missouri
Flood Warning:
Areal Flood Warning:
Areal Flood Warning:
Areal Flood Advisory:
Special Weather Statement:
Montana
Areal Flood Advisory:
Nebraska
Public Information Statement:
New Jersey
Areal Flood Watch:
New Mexico
Fire Weather Warning:
Fire Weather Warning, Fire Weather Watch:
Fire Weather Watch, Fire Weather Warning:
Fire Weather Watch:
New York
Areal Flood Watch:
North Carolina
Tornado Watch:
Severe Thunderstorm Warning:
Areal Flood Warning:
Coastal Flood Statement:
Special Weather Statement:
Public Information Statement:
North Dakota
Special Weather Statement:
Ohio
Public Information Statement:
Oklahoma
Flood Warning:
Fire Weather Watch:
Oregon
Record Report:
Public Information Statement:
Pennsylvania
Areal Flood Watch:
Rhode Island
Wind Advisory:
South Carolina
Lake Wind Advisory:
Special Weather Statement:
South Dakota
Flood Warning:
Areal Flood Warning:
Areal Flood Advisory:
Tennessee
Special Weather Statement:
Texas
Fire Weather Warning, Fire Weather Watch:
Fire Weather Warning:
Fire Weather Watch:
Record Report:
Utah
Fire Weather Warning:
Virginia
Tornado Watch:
Flash Flood Warning, Areal Flood Warning:
Areal Flood Warning:
Special Weather Statement:
Public Information Statement:
Washington
Record Report:
Public Information Statement:
West Virginia
Public Information Statement:
Wisconsin
Flood Warning:
Public Information Statement:
Wyoming
Areal Flood Warning:
 
 

Please Visit Our Sponsors:

 
Classmates
 

Copyright © 2008 The Weather Underground, Inc.