U.S. Severe Weather Map

Mes al jorn: 04:45 PM GMT on Novembre 21, 2009 — Edit My Time Zone

Click on a colored region of the map for details.

Weather Warning Legend:

- 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
A tornado watch is issued when thunderstorms in and near the watch box area may produce tornadoes.

- 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
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
A winter weather advisory is issued when significant accumulations of snow, sleet, or freezing rain may affect the advisory area.

- 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
A flood warning is issued when flooding is occuring or is about to occur.

- Flood Watch / Flood Statement
A flood watch is issued when flooding is possible in the watch area.

- 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
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
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
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
A Hurricane Watch means hurricane conditions are possible in the next 24 hours.

- Hurricane Warning
A Hurricane Warning means hurricane conditions are expected in the next 24 hours.

- Tropical Storm Watch
A Tropical Storm warning means tropical storm conditions are possible in the next 24 hours.

- Tropical Storm Warning
A Tropical Storm warning means tropical storm conditions are expected in the next 24 hours.

	U.S. Warnings by County

Alaska

Blizzard Watch:

Kuskokwim Delta

Special Weather Statement:

Middle Tanana Valley

Record Report:

Alaska Peninsula, Anchorage, Baldwin Peninsula and Selawik Valley, Bristol Bay, Central Aleutians, Central Beaufort Sea Coast, Central Interior, Chukchi Sea Coast, Copper River Basin, Deltana and Tanana Flats, Denali, Eastern Alaska Range, Eastern Aleutians, Eastern Beaufort Sea Coast, Eastern Norton Sound and Nulato Hills, Kodiak Island, Kuskokwim Delta, Lower Kobuk and Noatak Valleys, Lower Koyukuk and Middle Yukon Valleys, Lower Kuskokwim Valley, Lower Yukon Valley, Matanuska Valley, Middle Tanana Valley, Northeast Prince William Sound, Northeastern Brooks Range, Northern and Interior Seward Peninsula, Northern Arctic Coast, Northwestern Brooks Range, Pribilof Islands, Southeast Prince William Sound, Southeastern Brooks Range, Southern Seward Peninsula Coast, St Lawrence Island and Bering Strait Coast, Susitna Valley, Upper Kobuk and Noatak Valleys, Upper Koyukuk Valley, Upper Kuskokwim Valley, Upper Tanana Valley and the Fortymile Country, Western Aleutians, Western Arctic Coast, Western Kenai Peninsula, Western Prince William Sound, Yukon Delta, Yukon Flats and Surrounding Uplands

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Arkansas

Flood Warning:

White, Woodruff, Arkansas, Monroe, Jackson, Independence, Union, Ashley, Lawrence, Bradley, Calhoun

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California

Wind Advisory:

Los Angeles County Mountains excluding the Santa Monica Range, Santa Barbara County Mountains, Santa Barbara County South Coast, Ventura County Mountains

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Colorado

Public Information Statement:

Cheyenne County, Kit Carson County, Yuma County

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Florida

Flood Warning:

Calhoun, Franklin, Gulf, Liberty

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Georgia

Flood Warning:

Dodge, Telfair, Wilcox, Screven, Effingham, Appling, Toombs, Jeff Davis

Special Weather Statement:

Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley, Butts, Carroll, Catoosa, Chattahoochee, Chattooga, Cherokee, Clarke, Clayton, Cobb, Coweta, Crawford, Crisp, Dade, Dawson, DeKalb, Dodge, Dooly, Douglas, Emanuel, Fannin, Fayette, Floyd, Forsyth, Gilmer, Glascock, Gordon, Greene, Gwinnett, Hall, Hancock, Haralson, Harris, Heard, Henry, Houston, Jackson, Jasper, Jefferson, Johnson, Jones, Lamar, Laurens, Lumpkin, Macon, Madison, Marion, Meriwether, Monroe, Montgomery, Morgan, Murray, Muscogee, Newton, North Fulton, Oconee, Oglethorpe, Paulding, Peach, Pickens, Pike, Polk, Pulaski, Putnam, Rockdale, Schley, South Fulton, Spalding, Stewart, Sumter, Talbot, Taliaferro, Taylor, Telfair, Toombs, Towns, Treutlen, Troup, Twiggs, Union, Upson, Walker, Walton, Warren, Washington, Webster, Wheeler, White, Whitfield, Wilcox, Wilkes, Wilkinson

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Idaho

Winter Weather Advisory:

Northern Clearwater Mountains, Southern Clearwater Mountains

Winter Storm Watch:

Boise Mountains, Central Panhandle Mountains, Coeur d'Alene Area, Northern Panhandle, West Central Mountains

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Illinois

Flood Warning:

Jackson, Union, Brown, Cass, Mason, Pike, Scott, Morgan, Piatt, Madison, Randolph, Alexander, Calhoun, Clay, Richland, Jersey, Menard

Areal Flood Warning:

Logan

Public Information Statement:

Boone, Cook, DeKalb, DuPage, Ford, Grundy, Iroquois, Kane, Kankakee, Kendall, La Salle, Lake, Lee, Livingston, McHenry, Ogle, Will, Winnebago

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Indiana

Public Information Statement:

Bartholomew, Benton, Boone, Brown, Carroll, Clay, Clinton, Daviess, Decatur, Delaware, Fountain, Greene, Hamilton, Hancock, Hendricks, Henry, Howard, Jackson, Jasper, Jennings, Johnson, Knox, Lake, Lawrence, Madison, Marion, Martin, Monroe, Montgomery, Morgan, Newton, Owen, Parke, Porter, Putnam, Randolph, Rush, Shelby, Sullivan, Tippecanoe, Tipton, Vermillion, Vigo, Warren

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Iowa

Dense Fog Advisory:

Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie, Shelby

Public Information Statement:

Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard, Mitchell, Winneshiek

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Kansas

Public Information Statement:

Allen, Barton, Bourbon, Butler, Chase, Chautauqua, Cherokee, Cheyenne, Cowley, Crawford, Decatur, Elk, Ellsworth, Gove, Graham, Greeley, Greenwood, Harper, Harvey, Kingman, Labette, Lincoln, Logan, Marion, McPherson, Montgomery, Neosho, Norton, Rawlins, Reno, Rice, Russell, Saline, Sedgwick, Sheridan, Sherman, Sumner, Thomas, Wallace, Wichita, Wilson, Woodson

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Louisiana

Flood Warning:

Caldwell, Ouachita, Union, Bossier, Webster, Franklin, East Baton Rouge, St. Mary, Calcasieu, Beauregard, Pointe Coupee, West Feliciana

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Maine

Public Information Statement:

Androscoggin, Central Somerset, Coastal Cumberland, Coastal Waldo, Coastal York, Interior Cumberland, Interior Waldo, Interior York, Kennebec, Knox, Lincoln, Northern Franklin, Northern Oxford, Sagadahoc, Southern Franklin, Southern Oxford, Southern Somerset

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Maryland

Public Information Statement:

Dorchester, Inland Worcester, Maryland Beaches, Somerset, Wicomico

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Minnesota

Public Information Statement:

Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha, Winona

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Missouri

Flood Warning:

Perry, Scott, St. Charles, Chariton, Gasconade, Linn, Livingston, Carroll, Cape Girardeau, Montgomery, Jefferson, St. Louis

Public Information Statement:

Barry, Barton, Benton, Camden, Cedar, Christian, Dade, Dallas, Dent, Douglas, Greene, Hickory, Howell, Jasper, Laclede, Lawrence, Maries, McDonald, Miller, Morgan, Newton, Oregon, Ozark, Phelps, Polk, Pulaski, Shannon, St. Clair, Stone, Taney, Texas, Vernon, Webster, Wright

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Montana

Lake Wind Advisory:

Central and Southern Valley, Garfield, McCone

High Wind Warning:

Eastern Glacier, Northern Rocky Mountain Front

Winter Weather Advisory:

Bitterroot/Sapphire Mountains, Lower Clark Fork Region

Record Report:

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Nebraska

Dense Fog Advisory:

Cass, Nemaha, Otoe, Richardson, Sarpy

Public Information Statement:

Dundy, Hitchcock, Red Willow

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New Hampshire

Public Information Statement:

Belknap, Coastal Rockingham, Interior Rockingham, Merrimack, Northern Carroll, Northern Coos, Northern Grafton, Southern Carroll, Southern Coos, Southern Grafton, Strafford, Sullivan

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North Carolina

Flood Warning:

Martin

Public Information Statement:

Bertie, Camden, Chowan, Eastern Currituck, Gates, Herford, Northampton, Pasquotank, Perquimans, Western Currituck

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Oregon

High Wind Watch:

Central Oregon, Central Oregon Coast, Curry County Coast, Foothills of the Blue Mountains, Grande Ronde Valley, North Central Oregon, North Oregon Coast, Northern Wheeler and Southern Gilliam Counties, South Central Oregon Coast, Wallowa County

Winter Storm Watch:

Baker County, Northern Blue Mountains of Oregon

Winter Storm Warning, Winter Weather Advisory:

Northern Oregon Cascades

Winter Storm Warning:

Cascades in Lane County

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South Carolina

Flood Warning:

Allendale, Hampton, Jasper

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South Dakota

Flood Warning:

Spink

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Texas

Flood Warning:

Karnes, Franklin, Bowie, Angelina, Cass, Polk, Morris, Tyler, Bee, Liberty, Nueces, San Patricio, Hunt, Rockwall, Calhoun, Red River, Titus, Victoria, Houston, Trinity, Orange, Smith, Wood, DeWitt, Newton, Refugio

Flood Warning:

Williamson

Coastal Flood Advisory:

Aransas, Calhoun, Refugio

Areal Flood Advisory:

McLennan

Record Report:

Anderson, Aransas, Atascosa, Austin, Bandera, Bastrop, Bee, Bell, Bexar, Blanco, Bosque, Brazoria, Brazos, Burleson, Burnet, Caldwell, Calhoun, Chambers, Collin, Colorado, Comal, Comanche, Cooke, Coryell, Dallas, Delta, Denton, DeWitt, Dimmit, Duval, Eastland, Edwards, Ellis, Erath, Falls, Fannin, Fayette, Fort Bend, Freestone, Frio, Galveston, Gillespie, Goliad, Gonzales, Grayson, Grimes, Guadalupe, Hamilton, Harris, Hays, Henderson, Hill, Hood, Hopkins, Houston, Hunt, Jack, Jackson, Jim Wells, Johnson, Karnes, Kaufman, Kendall, Kerr, Kinney, Kleberg, La Salle, Lamar, Lampasas, Lavaca, Lee, Leon, Liberty, Limestone, Live Oak, Llano, Madison, Matagorda, Maverick, McLennan, McMullen, Medina, Milam, Mills, Montague, Montgomery, Navarro, Nueces, Palo Pinto, Parker, Polk, Rains, Real, Refugio, Robertson, Rockwall, San Jacinto, San Patricio, Somervell, Stephens, Tarrant, Travis, Trinity, Uvalde, Val Verde, Van Zandt, Victoria, Walker, Waller, Washington, Webb, Wharton, Williamson, Wilson, Wise, Young, Zavala

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Utah

Public Information Statement:

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Virginia

Public Information Statement:

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Washington

Flood Warning:

Mason

Areal Flood Watch:

Grays Harbor

High Wind Watch:

Foothills of the Blue Mountains

Winter Storm Warning:

Olympics, West Slopes Central Cascades and Passes, West Slopes Northern Cascades and Passes

Winter Storm Warning, Winter Weather Advisory:

South Washington Cascades

Winter Storm Watch:

East Slopes Northern Cascades, Northeast Mountains, Northwest Blue Mountains, Okanogan Highlands, Okanogan Valley, Spokane Area, Upper Columbia Basin, Waterville Plateau

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Wisconsin

Special Weather Statement:

Florence, Forest, Langlade, Lincoln, Marathon, Oneida, Portage, Vilas, Wood

Public Information Statement:

Adams, Buffalo, Clark, Columbia, Crawford, Dane, Dodge, Fond du Lac, Grant, Green, Green Lake, Iowa, Jackson, Jefferson, Juneau, Kenosha, La Crosse, Lafayette, Marquette, Milwaukee, Monroe, Ozaukee, Racine, Richland, Rock, Sauk, Sheboygan, Taylor, Trempealeau, Vernon, Walworth, Washington, Waukesha

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Wyoming

High Wind Warning:

North Snowy Range Foothills

Public Information Statement:

Southwest Wyoming

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Interactive Tornado Map!

Current Warnings:

Alaska
Arkansas
California
Colorado
Florida
Georgia
Idaho
Illinois
Indiana
Iowa
Kansas
Louisiana
Maine
Maryland
Minnesota
Missouri
Montana
Nebraska
New Hampshire
North Carolina
Oregon
South Carolina
South Dakota
Texas
Utah
Virginia
Washington
Wisconsin
Wyoming

Severe Weather Forecasts:

Severe Weather Maps and FAQs:

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