U.S. Severe Weather Map

Updated: 12:15 AM GMT on September 08, 2010 — 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

Arizona

Areal Flood Advisory:

Pinal, Pima, Navajo

Fire Weather Warning:

Lake Havasu and Fort Mohave, Lake Mead National Recreation Area, Northwest Deserts, Northwest Plateau

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Arkansas

Record Report:

Arkansas, Baxter, Boone, Bradley, Calhoun, Clark, Clay, Cleburne, Cleveland, Conway, Craighead, Crittenden, Cross, Dallas, Desha, Drew, Faulkner, Fulton, Garland, Grant, Greene, Hot Spring, Independence, Izard, Jackson, Jefferson, Johnson, Lawrence, Lee, Lincoln, Logan, Lonoke, Marion, Mississippi, Monroe, Montgomery, Newton, Ouachita, Perry, Phillips, Pike, Poinsett, Polk, Pope, Prairie, Pulaski, Randolph, Saline, Scott, Searcy, Sharp, St. Francis, Stone, Van Buren, White, Woodruff, Yell

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California

Wind Advisory:

Mono

Lake Wind Advisory:

Greater Lake Tahoe Area

Fire Weather Warning, Fire Weather Watch:

Greater Lake Tahoe Area

Fire Weather Warning:

Cadiz Basin, Lassen-Eastern Plumas-Eastern Sierra Counties, San Bernardino County-Upper Colorado River Valley

Fire Weather Watch, Fire Weather Warning:

Mono

Special Weather Statement:

East-Central San Joaquin Valley, Indian Wells Valley, Kern County Mountains, Mariposa Madera and Fresno County Foothills, Sierra Nevada from Yosemite to Kings Canyon, Southeastern Kern County Desert, Southeastern San Joaquin Valley, Southwestern San Joaquin Valley, Tulare County Foothills, Tulare County Mountains, West-Central San Joaquin Valley

Record Report:

Apple and Lucerne Valleys, Coachella Valley, Mendocino Coast, Mendocino Interior, North Coast Interior, Orange County Coastal Areas, Redwood Coast, Riverside County Mountains, San Bernardino and Riverside County Valleys -The Inland Empire, San Bernardino County Mountains, San Diego County Coastal Areas, San Diego County Deserts, San Diego County Mountains, San Diego County Valleys, Santa Ana Mountains and Foothills, Upper Trinity River

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Colorado

Fire Weather Warning:

Central and East Adams and Arapahoe Counties, Central and South Weld County, Elbert/Central and East Douglas Counties Above 6000 Feet, 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, Phillips County, Sedgwick County, Washington County

Record Report:

Alamosa Vicinity/Central San Luis Valley Below 8500 Ft, Canon City Vicinity/Eastern Fremont County, Central Chaffee County Below 9000 Ft, Colorado Springs Vicinity/Southern El Paso County/Rampart Range Below 7400 Ft, Crowley County, Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft, Eastern Kiowa County, Eastern Las Animas County, Eastern San Juan Mountains Above 10000 Ft, Eastern Sawatch Mountains Above 11000 Ft, La Garita Mountains Above 10000 Ft, La Junta Vicinity/Otero County, Lamar Vicinity/Prowers County, Las Animas Vicinity/Bent County, Leadville Vicinity/Lake County Below 11000 Ft, Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Ft, Northern Sangre De Cristo Mountains Above 11000 Feet, Northern Sangre De Cristo Mountains Between 8500 And 11000 Ft, Northwestern Fremont County above 8500 Ft, PIkes Peak above 11000 Ft, Pueblo and Vicinity/Pueblo County Below 6300 Ft, Saguache County East of Continental Divide Below 10000 Ft, Saguache County West of Continental Divide Below 10000 Ft, Southern San Luis Valley, Southern Sangre De Cristo Mountains Above 11000 Ft, Southern Sangre De Cristo Mountains Between 7500 and 11000 Ft, Springfield Vicinity/Baca County, Teller County/Rampart Range above 7500 Ft/Pikes Peak Between 7500 And 11000 Ft, Trinidad Vicinity/Western Las Animas County Below 7500 Ft, Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Ft, Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft, Western Chaffee County Between 9000 and 11000 Ft, Western Kiowa County, Western Mosquito Range/East Chaffee County Above 9000 Ft, Western Mosquito Range/East Lake County Above 11000 Ft, Western/Central Fremont County Below 8500 Ft, Wet Mountain Valley Below 8500 Feet, Wet Mountains Above 10000 Ft, Wet Mountains Between 6300 and 10000 Ft

Public Information Statement:

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Connecticut

Record Report:

Northern Fairfield, Northern Middlesex, Northern New Haven, Northern New London, Southern Fairfield, Southern Middlesex, Southern New Haven, Southern New London

Public Information Statement:

Hartford, Tolland, Windham

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Delaware

Fire Weather Warning:

Kent, New Castle

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District of Columbia

Fire Weather Watch:

District of Columbia

Record Report:

District of Columbia

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Florida

Record Report:

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Hawaii

Record Report:

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Idaho

Record Report:

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Indiana

Coastal Hazard Statement:

La Porte, Porter

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Iowa

Public Information Statement:

Allamakee, Buena Vista, Cherokee, Chickasaw, Clay, Clayton, Dickinson, Fayette, Floyd, Howard, Ida, Lyon, Mitchell, O'Brien, Osceola, Plymouth, Sioux, Winneshiek, Woodbury

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Kansas

Areal Flood Watch:

Allen, Butler, Chase, Chautauqua, Cowley, Elk, Greenwood, Harper, Harvey, Kingman, Labette, Marion, Montgomery, Neosho, Sedgwick, Sumner, Wilson, Woodson

Public Information Statement:

Allen, Barton, Butler, Chase, Chautauqua, Cowley, Elk, Ellsworth, Greenwood, Harper, Harvey, Kingman, Labette, Lincoln, Marion, McPherson, Montgomery, Neosho, Reno, Rice, Russell, Saline, Sedgwick, Sumner, Wilson, Woodson

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Kentucky

Severe Thunderstorm Warning:

Pendleton, Kenton, Campbell

Special Weather Statement:

Boone, Boyle, Campbell, Garrard, Kenton, Mercer, Pendleton

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Maryland

Fire Weather Warning:

Cecil, Kent, Queen Anne's

Fire Weather Watch:

Anne Arundel, Calvert, Carroll, Charles, Frederick, Harford, Howard, Montgomery, Northern Baltimore, Prince Georges, Southern Baltimore, St. Marys, Washington

Special Weather Statement:

Garrett

Record Report:

Anne Arundel, Calvert, Carroll, Central and Eastern Allegany, Charles, Extreme Western Allegany, Frederick, Harford, Howard, Montgomery, Northern Baltimore, Prince Georges, Southern Baltimore, St. Marys, Washington

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Massachusetts

Public Information Statement:

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Michigan

Coastal Hazard Statement:

Berrien

Wind Advisory:

Alcona, Allegan, Alpena, Antrim, Arenac, Barry, Benzie, Calhoun, Charlevoix, Cheboygan, Clare, Clinton, Crawford, Eaton, Emmet, Gladwin, Grand Traverse, Gratiot, Ingham, Ionia, Iosco, Isabella, Jackson, Kalamazoo, Kalkaska, Kent, Lake, Leelanau, Manistee, Mason, Mecosta, Missaukee, Montcalm, Montmorency, Muskegon, Newaygo, Oceana, Ogemaw, Osceola, Oscoda, Otsego, Ottawa, Presque Isle, Roscommon, Van Buren, Wexford

Public Information Statement:

Allegan, Barry, Bay, Calhoun, Clare, Clinton, Eaton, Genesee, Gratiot, Huron, Ingham, Ionia, Isabella, Jackson, Kalamazoo, Kent, Lake, Lapeer, Lenawee, Livingston, Macomb, Mason, Mecosta, Midland, Monroe, Montcalm, Muskegon, Newaygo, Oakland, Oceana, Osceola, Ottawa, Saginaw, Sanilac, Shiawassee, St. Clair, Tuscola, Van Buren, Washtenaw, Wayne

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Minnesota

Record Report:

Public Information Statement:

Cottonwood, Dodge, Fillmore, Houston, Jackson, Lincoln, Lyon, Mower, Murray, Nobles, Olmsted, Pipestone, Rock, Wabasha, Winona

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Mississippi

Record Report:

Alcorn, Benton, Calhoun, Chickasaw, Coahoma, De Soto, Itawamba, Lafayette, Lee, Marshall, Monroe, Panola, Pontotoc, Prentiss, Quitman, Tallahatchie, Tate, Tippah, Tishomingo, Tunica, Union, Yalobusha

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Missouri

Flash Flood Warning:

Newton, Lawrence, Barry

Record Report:

Dunklin, Pemiscot

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Montana

Lake Wind Advisory:

Central and Southeast Phillips, Central and Southern Valley, Garfield, McCone, Petroleum

Record Report:

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Nebraska

Flood Warning:

Knox

Record Report:

Arthur, Blaine, Boyd, Brown, Chase, Custer, Deuel, Eastern Cherry, Frontier, Garden, Garfield, Grant, Hayes, Holt, Hooker, Keith, Keya Paha, Lincoln, Logan, Loup, McPherson, Perkins, Rock, Sheridan, Thomas, Western Cherry, Wheeler

Public Information Statement:

Dakota, Dixon

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Nevada

Wind Advisory:

Esmeralda and Central Nye County, Greater Reno-Carson City-Minden Area, Lincoln County, Western Clark and Southern Nye County

Lake Wind Advisory:

Greater Lake Tahoe Area, Western Nevada Basin and Range including Pyramid Lake

Fire Weather Warning:

Esmeralda and Central Nye County, Greater Lake Tahoe Area, Greater Reno-Carson City-Minden Area, Lake Mead National Recreation Area, Las Vegas Valley, Lincoln County, Northeast Clark County, Northern Nye County, Northern Washoe County, Southern Clark County, Southern Lander County and Southern Eureka County, Spring Mountains-Red Rock Canyon, Western Clark and Southern Nye County, Western Nevada Basin and Range including Pyramid Lake, White Pine County

Fire Weather Watch, Fire Weather Warning:

Mineral and Southern Lyon Counties

Record Report:

Extreme Eastern Elko County, Humboldt County, Northern Elko County, Northern Lander County and Northern Eureka County, Northern Nye County, Ruby Mountains/East Humboldt Range, Southern Lander County and Southern Eureka County, Southwest and South Central Elko County, White Pine County

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New Hampshire

Public Information Statement:

Cheshire, Eastern Hillsborough, Western And Central Hillsborough

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New Jersey

Coastal Flood Statement:

Essex, Hudson, Union

Fire Weather Warning:

Atlantic, Atlantic Coastal Cape May, Camden, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Ocean, Salem, Somerset, Southeastern Burlington, Western Monmouth

Record Report:

Bergen, Eastern Passaic, Essex, Hudson, Union, Western Passaic

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New York

Coastal Flood Statement:

Kings (Brooklyn), Nassau, New York (Manhattan), Queens, Richmond (Staten Is.), Southeast Suffolk, Southwest Suffolk

Special Weather Statement:

Chautauqua, Genesee, Niagara, Northern Erie, Orleans, Southern Erie

Record Report:

Bronx, Kings (Brooklyn), Nassau, New York (Manhattan), Northeast Suffolk, Northern Westchester, Northwest Suffolk, Orange, Putnam, Queens, Richmond (Staten Is.), Rockland, Southeast Suffolk, Southern Westchester, Southwest Suffolk

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North Carolina

Record Report:

Cherokee, Clay

Public Information Statement:

Alamance, Anson, Chatham, Cumberland, Davidson, Durham, Edgecombe, Forsyth, Franklin, Granville, Guilford, Halifax, Harnett, Hoke, Johnston, Lee, Montgomery, Moore, Nash, Orange, Person, Randolph, Richmond, Sampson, Scotland, Stanly, Vance, Wake, Warren, Wayne, Wilson

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North Dakota

Record Report:

Adams, Barnes, Benson, Billings, Bottineau, Bowman, Burke, Burleigh, Cass, Cavalier, Dickey, Divide, Dunn, Eastern Walsh County, Eddy, Emmons, Foster, Golden Valley, Grand Forks, Grant, Griggs, Hettinger, Kidder, La Moure, Logan, McHenry, McIntosh, McKenzie, McLean, Mercer, Morton, Mountrail, Nelson, Oliver, Pembina, Pierce, Ramsey, Ransom, Renville, Richland, Rolette, Sargent, Sheridan, Sioux, Slope, Stark, Steele, Stutsman, Towner, Traill, Ward, Wells, Western Walsh County, Williams

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Ohio

Severe Thunderstorm Warning:

Stark, Clermont

Special Weather Statement:

Carroll, Clermont, Columbiana, Coshocton, Harrison, Jefferson, Morgan, Perry, Ross, Tuscarawas

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Oklahoma

Tornado Warning:

McCurtain

Areal Flood Watch:

Craig, Creek, Mayes, Nowata, Osage, Ottawa, Pawnee, Rogers, Tulsa, Washington

Flash Flood Watch:

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

Special Weather Statement:

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, Murray, Noble, Oklahoma, Payne, Pontotoc, Pottawatomie, Roger Mills, Seminole, Stephens, Tillman, Washita, Woods, Woodward

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Oregon

Record Report:

Baker County, Harney County, Malheur County, Oregon Lower Treasure Valley

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Pennsylvania

Fire Weather Warning:

Berks, Bucks, Chester, Delaware, Lehigh, Montgomery, Philadelphia

Special Weather Statement:

Allegheny, Armstrong, Fayette, Greene, Indiana, Jefferson, Lawrence, McKean, Mercer, Warren, Washington, Westmoreland

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Puerto Rico

Areal Flood Advisory:

Bayamon, Guaynabo, Toa Alta, Toa Baja, Aguas Buenas, Cidra, Comerio

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Rhode Island

Public Information Statement:

Block Island, Bristol, Eastern Kent, Newport, Northwest Providence, Southeast Providence, Washington, Western Kent

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South Carolina

Coastal Flood Advisory:

Charleston, Coastal Colleton, Tidal Berkekey

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South Dakota

Flood Warning:

Moody, Brookings, Spink, Bon Homme, Charles Mix

Record Report:

Brown, Buffalo, Campbell, Clark, Codington, Corson, Day, Deuel, Dewey, Edmunds, Faulk, Grant, Hamlin, Hand, Hughes, Hyde, Jones, Lyman, Marshall, McPherson, Potter, Roberts, Spink, Stanley, Sully, Walworth

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

Record Report:

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Texas

Tornado Warning:

Bowie

Tornado Watch:

Wise, Van Zandt, Tarrant, Somervell, Rockwall, Robertson, Rains, Parker, Navarro, McLennan, Limestone, Leon, Kaufman, Johnson, Hunt, Hopkins, Hood, Hill, Henderson, Freestone, Falls, Ellis, Denton, Delta, Dallas, Collin, Bosque, Anderson

Flash Flood Warning:

Williamson, Travis, Hays, Bastrop, Llano, Gillespie, Burnet, Blanco

Flood Warning:

Victoria, Calhoun, Goliad, San Patricio, Nueces, Bee

Flash Flood Watch:

Zavala, Wilson, Val Verde, Uvalde, Real, Medina, Maverick, Llano, Lee, Lavaca, Kinney, Kerr, Kendall, Karnes, Gonzales, Gillespie, Frio, Fayette, Edwards, Dimmit, DeWitt, Comal, Blanco, Bandera, Atascosa

Areal Flood Advisory, Flash Flood Watch:

Williamson, Bexar, San Saba, McCulloch

Coastal Flood Advisory, Flash Flood Watch:

Brazoria, Galveston, Matagorda

Coastal Flood Advisory:

Kleberg, Nueces, San Patricio

Flash Flood Watch, Coastal Flood Advisory:

Aransas, Calhoun, Refugio

Special Weather Statement:

Archer, Bailey, Baylor, Briscoe, Brown, Callahan, Castro, Childress, Clay, Cochran, Coke, Coleman, Concho, Cottle, Crockett, Crosby, Dickens, Fisher, Floyd, Foard, Garza, Hale, Hall, Hardeman, Haskell, Hockley, Irion, Jones, Kent, Kimble, King, Knox, Lamb, Lubbock, Lynn, Mason, McCulloch, Menard, Motley, Nolan, Parmer, Runnels, San Saba, Schleicher, Shackelford, Sterling, Stonewall, Sutton, Swisher, Taylor, Terry, Throckmorton, Tom Green, Wichita, Wilbarger, Yoakum

Record Report:

Aransas, Atascosa, Austin, Bandera, Bastrop, Bee, Bexar, Blanco, Brazoria, Brazos, Burleson, Burnet, Caldwell, Calhoun, Chambers, Colorado, Comal, DeWitt, Dimmit, Duval, Edwards, Fayette, Fort Bend, Frio, Galveston, Gillespie, Goliad, Gonzales, Grimes, Guadalupe, Harris, Hays, Houston, Jackson, Jim Wells, Karnes, Kendall, Kerr, Kinney, Kleberg, La Salle, Lavaca, Lee, Liberty, Live Oak, Llano, Madison, Matagorda, Maverick, McMullen, Medina, Montgomery, Nueces, Polk, Real, Refugio, San Jacinto, San Patricio, Travis, Trinity, Uvalde, Val Verde, Victoria, Walker, Waller, Washington, Webb, Wharton, Williamson, Wilson, Zavala

Public Information Statement:

Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell, Comal, DeWitt, Dimmit, Edwards, Fayette, Frio, Gillespie, Gonzales, Guadalupe, Hays, Karnes, Kendall, Kerr, Kinney, Lavaca, Lee, Llano, Maverick, Medina, Real, Travis, Uvalde, Val Verde, Williamson, Wilson, Zavala

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Utah

Wind Advisory:

Southwest Utah, West Central Utah

Fire Weather Watch:

Great Salt Lake Desert and Mountains

Fire Weather Warning:

Southern Wasatch Front, Southwest Utah, Utah's Dixie and Zion National Park, West Central Utah

Record Report:

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Virginia

Fire Weather Watch:

Record Report:

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West Virginia

Fire Weather Watch:

Berkeley, Hampshire, Hardy, Jefferson, Morgan, Pendleton, Pocahontas, Randolph

Special Weather Statement:

Marion, Marshall, Monongalia, Ohio, Preston, Tucker, Wetzel

Record Report:

Berkeley, Eastern Grant, Eastern Mineral, Hampshire, Hardy, Jefferson, Morgan, Pendleton, Western Grant, Western Mineral

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Wisconsin

Record Report:

Barron, Chippewa, Dunn, Eau Claire, Pepin, Pierce, Polk, Rusk, St. Croix

Public Information Statement:

Adams, Buffalo, Clark, Crawford, Grant, Jackson, Juneau, La Crosse, Monroe, Richland, Taylor, Trempealeau, Vernon

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Wyoming

Record Report:

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Current Warnings:

Arizona
Arkansas
California
Colorado
Connecticut
Delaware
District of Columbia
Florida
Hawaii
Idaho
Indiana
Iowa
Kansas
Kentucky
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Puerto Rico
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Virginia
West Virginia
Wisconsin
Wyoming

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