U.S. Severe Weather Map

Updated: 10:05 AM GMT on August 20, 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

Alaska

Areal Flood Warning:

Juneau Borough and Northern Admiralty Island

Frost Advisory:

Middle Tanana Valley

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Arizona

Areal Flood Advisory:

Coconino

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

Areal Flood Watch:

Columbia, Hempstead, Howard, Lafayette, Little River, Miller, Nevada, Sevier, Union

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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Colorado

Public Information Statement:

Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County, Central and East Adams and Arapahoe Counties, Central and South Weld County, Central and Southeast Park County, Elbert/Central and East Douglas Counties Above 6000 Feet, Grand and Summit Counties Below 9000 Feet, Jackson County Below 9000 Feet, Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet, Larimer and Boulder Counties Between 6000 and 9000 Feet, Larimer County Below 6000 Feet/Northwest Weld County, Logan County, Morgan County, North and Northeast Elbert County Below 6000 Feet/North Lincoln County, North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County, Northeast Weld County, Sedgwick County, South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet, South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet, Southeast Elbert County Below 6000 Feet/South Lincoln County, Washington County

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Florida

Inland Tropical Wind Warning:

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

Tropical Storm Warning:

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

Inland Tropical Wind Watch:

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

Inland Tropical Wind Warning, Tropical Storm Warning, Inland Hurricane Wind Watch, Hurricane Watch:

Duval, Flagler, Nassau, St. Johns

Flash Flood Warning:

Northern Brevard County, Southern Brevard County

Flash Flood Warning:

Glades

Areal Flood Watch:

Record Report:

Charlotte, Coastal Collier County, Coastal Volusia County, Indian River, Inland Palm Beach County, Inland Volusia County, Lee, 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:

Charlotte, Citrus, De Soto, Hardee, Hernando, Highlands, Hillsborough, Lee, Levy, Manatee, Pasco, Pinellas, Polk, Sarasota, Sumter

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Georgia

Tropical Storm Watch:

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

Inland Tropical Wind Watch:

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

Inland Tropical Wind Warning, Inland Hurricane Wind Watch:

Inland Camden, Inland Glynn

Inland Tropical Wind Warning, Tropical Storm Warning, Inland Hurricane Wind Watch, Hurricane Watch:

Coastal Camden, Coastal Glynn

Areal Flood Watch:

Appling, Atkinson, Bacon, Brantley, Charlton, Clinch, Coastal Camden, Coastal Glynn, Coffee, Echols, Inland Camden, Inland Glynn, Jeff Davis, Pierce, Ware, Wayne

Flash Flood Watch:

Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Evans, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh, Long, Tattnall

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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Hawaii

Wind Advisory:

Big Island Summit

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Idaho

Public Information Statement:

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

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Louisiana

Areal Flood Watch:

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

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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Michigan

Public Information Statement:

Alger, Baraga, Delta, Dickinson, Gogebic, Iron, Keweenaw, Luce, Marquette, Menominee, Northern Houghton, Ontonagon, Southern Schoolcraft

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Montana

Record Report:

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North Dakota

Wind Advisory:

Barnes, Burleigh, Dickey, Eddy, Emmons, Foster, Griggs, Kidder, La Moure, Logan, McIntosh, Ransom, Sargent, Sheridan, Stutsman, Wells

Record Report:

Williams

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Oklahoma

Flood Warning:

Lincoln, Pottawatomie, Cotton

Flash Flood Watch:

Atoka, Bryan, Coal, Johnston, Love, Marshall

Areal Flood Watch:

McCurtain

Record Report:

Alfalfa, Atoka, Beckham, Blaine, Bryan, Caddo, Canadian, Carter, Cleveland, Coal, Comanche, Cotton, Custer, Dewey, Ellis, Garfield, Garvin, Grady, Grant, Greer, Harmon, Harper, Hughes, Jackson, Jefferson, Johnston, Kay, Kingfisher, Kiowa, Lincoln, Logan, Love, Major, Marshall, McClain, McCurtain, Murray, Noble, Oklahoma, Payne, Pontotoc, Pottawatomie, Roger Mills, Seminole, Stephens, Tillman, Washita, Woods, Woodward

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South Carolina

Hurricane Statement:

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

Public Information Statement:

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

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South Dakota

Wind Advisory:

Brown, Buffalo, Campbell, Clark, Day, Dewey, Edmunds, Faulk, Hand, Hughes, Hyde, Jones, Lyman, Marshall, McPherson, Potter, Spink, Stanley, Sully, Walworth

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Texas

Flood Warning:

Wichita, Clay, Bee, Leon, Robertson, Nueces, San Patricio

Areal Flood Warning:

Palo Pinto

Flash Flood Warning:

Atascosa

Flash Flood Watch:

Anderson, Bell, Bosque, Collin, Cooke, Dallas, Delta, Denton, Ellis, Falls, Fannin, Freestone, Grayson, Henderson, Hill, Hood, Hopkins, Hunt, Jack, Johnson, Kaufman, Lamar, Leon, Limestone, McLennan, Milam, Montague, Navarro, Palo Pinto, Parker, Rains, Robertson, Rockwall, Somervell, Tarrant, Van Zandt, Wise, Young

Areal Flood Watch:

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

Areal Flood Advisory:

Frio

Record Report:

Angelina, Archer, Baylor, Bowie, Brazos, Camp, Cass, Cherokee, Clay, Foard, Franklin, Gregg, Hardeman, Harrison, Knox, Marion, McLennan, Morris, Nacogdoches, Panola, Red River, Rusk, Sabine, San Augustine, Shelby, Smith, Titus, Upshur, Wichita, Wilbarger, Wood

Public Information Statement:

Aransas, Bee, Calhoun, Duval, Goliad, Jim Wells, Kleberg, La Salle, Live Oak, McMullen, Nueces, Refugio, San Patricio, Victoria, Webb

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Washington

Areal Flood Advisory:

Okanogan

Record Report:

Admiralty Inlet Area, Central Coast, East Puget Sound Lowlands, Eastern Strait of Juan de Fuca, Everett and Vicinity, Hood Canal Area, Lower Chehalis Valley Area, North Coast, Olympics, San Juan County, Seattle/Bremerton Area, Southwest Interior, Tacoma Area, West Slopes Central Cascades and Passes, West Slopes Northern Cascades and Passes, Western Skagit County, Western Strait of Juan De Fuca, Western Whatcom County

Public Information Statement:

East Slopes Northern Cascades, Lower Garfield and Asotin Counties, Moses Lake Area, Northeast Blue Mountains, Northeast Mountains, Okanogan Highlands, Okanogan Valley, Spokane Area, Upper Columbia Basin, Washington Palouse, Waterville Plateau, Wenatchee Area

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Wyoming

Fire Weather Watch:

East Sweetwater County, Green Mountains and Rattlesnake Range, Lander Foothills, Natrona County Lower Elevations, Northeast Johnson County, Rock Springs and Green River, South Lincoln County, Southeast Johnson County, Southwest Wyoming, Upper Wind River Basin, Wind River Basin

Record Report:

Northeast Big Horn Mountains, Sheridan Foothills

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Interactive Tornado Map!

Current Warnings:

Alaska
Arizona
Arkansas
Colorado
Florida
Georgia
Hawaii
Idaho
Louisiana
Michigan
Montana
North Dakota
Oklahoma
South Carolina
South Dakota
Texas
Washington
Wyoming

Severe Weather Forecasts:

Severe Weather Maps and FAQs:

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