U.S. Severe Weather Map

Updated: 6:10 PM GMT on August 21, 2008 — 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 Statement
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

Alabama

Areal Flood Watch:

Coffee, Dale, Geneva, Henry, Houston

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Arizona

Record Report:

Black Mesa Area, Chinle Valley, Chuska Mountains and Defiance Plateay, Coconino Plateau, Eastern Mogollon Rim, Grand Canyon Country, Kaibab Plateau, Little Colorado River Valley in Apache County, Little Colorado River Valley in Coconino County, Little Colorado River Valley in Navajo County, Marble and Glen Canyons, Northeast Plateaus and Mesas Hwy 264 Northward, Northeast Plateaus and Mesas South of Hwy 264, Northern Gila County, Oak Creek and Sycamore Canyons, Western Mogollon Rim, White Mountains, Yavapai County Mountains, Yavapai County Valleys and Basins

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Arkansas

Flood Warning:

Jackson, Woodruff

Flash Flood Warning:

Garland, Montgomery

Record Report:

Arkansas, Baxter, Boone, Bradley, Calhoun, Clark, Cleburne, Cleveland, Columbia, Conway, Dallas, Desha, Drew, Faulkner, Fulton, Garland, Grant, Hempstead, Hot Spring, Howard, Independence, Izard, Jackson, Jefferson, Johnson, Lafayette, Lincoln, Little River, Logan, Lonoke, Marion, Miller, Monroe, Montgomery, Nevada, Newton, Ouachita, Perry, Pike, Polk, Pope, Prairie, Pulaski, Saline, Scott, Searcy, Sevier, Sharp, Stone, Union, Van Buren, White, Woodruff, Yell

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California

Record Report:

Central Siskiyou County, Modoc County, North Central and Southeast Siskiyou County, Northeast Siskiyou and Northwest Modoc Counties, South Central Siskiyou County, Western Siskiyou County

Public Information Statement:

Central Siskiyou County, Modoc County, North Central and Southeast Siskiyou County, Northeast Siskiyou and Northwest Modoc Counties, South Central Siskiyou County, Western Siskiyou County

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Colorado

Public Information Statement:

Cheyenne County, Kit Carson County, Yuma County

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Florida

Hurricane Statement:

Alachua, Baker, Bradford, Columbia, Gilchrist, Hamilton, Marion, Suwannee, Union

Inland Tropical Wind Warning:

Clay, Inland Volusia County, Northern Lake County, Orange, Osceola, Putnam, Seminole, Southern Lake County

Tropical Storm Warning:

Coastal Volusia County, Indian River, Northern Brevard County, Southern Brevard County, St. Lucie

Tropical Storm Warning, Inland Tropical Wind Warning:

Duval, Flagler, Nassau, St. Johns

Flood Warning:

Baker, Nassau, Clay, DeSoto, Alachua, Bradford, Columbia, Gilchrist, Suwannee, Union

Areal Flood Warning:

Brevard, Hendry, Orange, Seminole

Areal Flood Warning:

Glades, Lake, Volusia

Areal Flood Watch:

Areal Flood Advisory:

Collier

Wind Advisory:

Alachua, Baker, Bradford, Marion, Martin, Okeechobee, Union

Lake Wind Advisory:

Columbia, Gilchrist, Hamilton, Suwannee

Record Report:

Coastal Volusia County, Indian River, Inland Palm Beach County, Inland Volusia County, Martin, Metro Palm Beach County, Northern Brevard County, Northern Lake County, Okeechobee, Orange, Osceola, Seminole, Southern Brevard County, Southern Lake County, St. Lucie

Public Information Statement:

Broward Metropolitan, Coastal Collier County, Dade Metropolitan, Glades, Hendry, Inland Collier County, Inland Miami-Dade County, Inland Palm Beach County, Mainland Monroe, Metro Broward County, Metro Palm Beach County

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Georgia

Tropical Storm Warning:

Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh

Hurricane Statement:

Appling, Atkinson, Bacon, Brantley, Bulloch, Candler, Charlton, Clinch, Coffee, Echols, Effingham, Evans, Jeff Davis, Long, Pierce, Tattnall, Ware, Wayne

Inland Tropical Wind Warning:

Inland Camden, Inland Glynn

Tropical Storm Warning, Inland Tropical Wind Warning:

Coastal Camden, Coastal Glynn

Flood Warning:

Camden, Charlton

Areal Flood Watch:

Appling, Atkinson, Bacon, Baker, Ben Hill, Berrien, Brantley, Brooks, Calhoun, Charlton, Clay, Clinch, Coastal Camden, Coastal Glynn, Coffee, Colquitt, Cook, Decatur, Dougherty, Early, Echols, Grady, Inland Camden, Inland Glynn, Irwin, Jeff Davis, Lanier, Lee, Lowndes, Miller, Mitchell, Pierce, Quitman, Randolph, Seminole, Terrell, Thomas, Tift, Turner, Ware, Wayne, Worth

Flash Flood Watch:

Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Long, Tattnall

Lake Wind Advisory:

Appling, Atkinson, Bacon, Brantley, Burke, Charlton, Clinch, Coffee, Columbia, Echols, Jeff Davis, Lincoln, McDuffie, Pierce, Richmond, Ware, Wayne

Public Information Statement:

Bulloch, Candler, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Jenkins, Long, Screven, Tattnall

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Idaho

Lake Wind Advisory:

Lower Snake River Plain

Wind Advisory:

Eastern Lemhi County, Western Lemhi County

Record Report:

Central Panhandle Mountains, Coeur d'Alene Area, Idaho Palouse, Lewis and Southern Nez Perce Counties, Lewiston Area, Northern Panhandle

Public Information Statement:

Eastern Lemhi County, Lower Hells Canyon/Salmon River Region, Northern Clearwater Mountains, Orofino/Grangeville Region, Southern Clearwater Mountains, Western Lemhi County

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Iowa

Public Information Statement:

Adair, Adams, Appanoose, Audubon, Black Hawk, Boone, Bremer, Buena Vista, Butler, Calhoun, Carroll, Cass, Cerro Gordo, Cherokee, Clarke, Clay, Crawford, Dallas, Davis, Decatur, Dickinson, Emmet, Franklin, Fremont, Greene, Grundy, Guthrie, Hamilton, Hancock, Hardin, Harrison, Humboldt, Ida, Jasper, Keokuk, Kossuth, Louisa, Lucas, Lyon, Madison, Mahaska, Marion, Marshall, Mills, Monona, Monroe, Montgomery, O'Brien, Osceola, Page, Palo Alto, Plymouth, Pocahontas, Polk, Pottawattamie, Poweshiek, Ringgold, Sac, Shelby, Sioux, Story, Tama, Taylor, Union, Wapello, Warren, Washington, Wayne, Webster, Winnebago, Woodbury, Worth, Wright

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Kansas

Record Report:

Bourbon, Cherokee, Crawford

Public Information Statement:

Bourbon, Cherokee, Cheyenne, Crawford, Decatur, Gove, Graham, Greeley, Logan, Norton, Rawlins, Sheridan, Sherman, Thomas, Wallace, Wichita

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Louisiana

Record Report:

Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto, Grant, Jackson, La Salle, Lincoln, Natchitoches, Ouachita, Red River, Sabine, Union, Webster, Winn

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Minnesota

Wind Advisory:

Public Information Statement:

Anoka, Benton, Blue Earth, Brown, Carver, Chippewa, Chisago, Cottonwood, Dakota, Douglas, Faribault, Freeborn, Goodhue, Hennepin, Isanti, Jackson, Kanabec, Kandiyohi, Lac qui Parle, Le Sueur, Lincoln, Lyon, Martin, McLeod, Meeker, Mille Lacs, Morrison, Murray, Nicollet, Nobles, Pipestone, Pope, Ramsey, Redwood, Renville, Rice, Rock, Scott, Sherburne, Sibley, Stearns, Steele, Stevens, Swift, Todd, Waseca, Washington, Watonwan, Wright, Yellow Medicine

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Missouri

Record Report:

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

Public Information Statement:

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Montana

Public Information Statement:

Bitterroot/Sapphire Mountains, Butte/Blackfoot Region, Flathead/Mission Valleys, Kootenai/Cabinet Region, Lower Clark Fork Region, Missoula/Bitterroot Valleys, Potomac/Seeley Lake Region, West Glacier Region

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Nebraska

Public Information Statement:

Antelope, Boone, Burt, Butler, Cass, Cedar, Colfax, Cuming, Dakota, Dixon, Dodge, Douglas, Dundy, Gage, Hitchcock, Jefferson, Johnson, Knox, Lancaster, Madison, Nemaha, Otoe, Pawnee, Pierce, Platte, Red Willow, Richardson, Saline, Sarpy, Saunders, Seward, Stanton, Thurston, Washington, Wayne

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North Carolina

Coastal Flood Statement:

New Hanover, Pender

Public Information Statement:

Cherokee, Clay

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North Dakota

Wind Advisory:

Barnes, Benson, Burleigh, Cass, Cavalier, Dickey, Eastern Walsh County, Eddy, Emmons, Foster, Grand Forks, Griggs, Kidder, La Moure, Logan, McIntosh, Morton, Nelson, Pembina, Pierce, Ramsey, Ransom, Richland, Rolette, Sargent, Sheridan, Sioux, Steele, Stutsman, Towner, Traill, Wells, Western Walsh County

Public Information Statement:

Adams, Billings, Bottineau, Bowman, Burke, Burleigh, Dickey, Divide, Dunn, Emmons, Foster, Golden Valley, Grand Forks, Grant, Griggs, Hettinger, Kidder, La Moure, Logan, McHenry, McIntosh, McKenzie, McLean, Mercer, Morton, Mountrail, Nelson, Oliver, Pierce, Renville, Rolette, Sheridan, Sioux, Slope, Stark, Steele, Stutsman, Traill, Ward, Wells, Williams

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Ohio

Public Information Statement:

Ashland, Ashtabula Inland, Ashtabula Lakeshore, Crawford, Cuyahoga, Erie, Geauga, Hancock, Holmes, Huron, Knox, Lake, Lorain, Lucas, Mahoning, Marion, Medina, Morrow, Ottawa, Portage, Richland, Sandusky, Seneca, Stark, Summit, Trumbull, Wayne, Wood, Wyandot

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Oklahoma

Record Report:

McCurtain

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Oregon

Record Report:

Central and Eastern Lake County, Central Douglas County, Curry County Coast, Eastern Curry County and Josephine County, Eastern Douglas County Foothills, Jackson County, Klamath Basin, Northern and Eastern Klamath County and Western Lake County, Siskiyou Mountains and Southern Oregon Cascades, South Central Oregon Cascades, South Central Oregon Coast

Public Information Statement:

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Pennsylvania

Public Information Statement:

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South Carolina

Hurricane Statement:

Beaufort, Berkeley, Charleston, Coastal Colleton, Coastal Jasper, Inland Colleton, Inland Jasper

Coastal Flood Advisory, High Surf Advisory:

Charleston

Coastal Flood Statement:

Georgetown, Horry

Areal Flood Advisory, Flash Flood Watch:

Jasper

Areal Flood Advisory, Coastal Flood Advisory, High Surf Advisory, Flash Flood Watch:

Beaufort, Jasper

Coastal Flood Advisory, High Surf Advisory, Flash Flood Watch:

Coastal Colleton

Lake Wind Advisory:

Aiken, Bamberg, Barnwell, Berkeley, Calhoun, Chesterfield, Clarendon, Edgefield, Fairfield, Kershaw, Lancaster, Lee, Lexington, McCormick, Newberry, Orangeburg, Richland, Saluda, Sumter

Public Information Statement:

Allendale, Beaufort, Berkeley, Charleston, Coastal Colleton, Dorchester, Hampton, Inland Colleton, Inland Jasper

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South Dakota

Public Information Statement:

Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix, Clay, Davison, Douglas, Gregory, Hanson, Hutchinson, Jerauld, Kingsbury, Lake, Lincoln, McCook, Miner, Minnehaha, Moody, Sanborn, Turner, Union, Yankton

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Tennessee

Public Information Statement:

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Texas

Flood Warning:

Brazos, Grimes, Madison, Hardin, Leon, Jefferson, Robertson

Record Report:

Angelina, Bowie, Camp, Cass, Cherokee, Franklin, Gregg, Harrison, Marion, Morris, Nacogdoches, Panola, Red River, Rusk, Sabine, San Augustine, Shelby, Smith, Titus, Upshur, Wood

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Utah

Fire Weather Warning:

Great Salt Lake Desert and Mountains, Salt Lake and Tooele Valleys, Southern Wasatch Front, Southwest Utah, West Central Utah

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Virginia

Public Information Statement:

Lee, Russell, Scott, Washington, Wise

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Washington

Areal Flood Watch:

Whatcom

Record Report:

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Wisconsin

Public Information Statement:

Barron, Chippewa, Columbia, Dane, Dodge, Dunn, Eau Claire, Fond Du Lac, Green, Green Lake, Iowa, Jefferson, Kenosha, Lafayette, Marquette, Milwaukee, Ozaukee, Pepin, Pierce, Polk, Racine, Rock, Rusk, Sauk, Sheboygan, St. Croix, Walworth, Washington, Waukesha

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Wyoming

Fire Weather Warning:

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Current Warnings:

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Arizona
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California
Colorado
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Idaho
Iowa
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Louisiana
Minnesota
Missouri
Montana
Nebraska
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