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U.S. Severe Weather Map
Mise à jour: 01:20 GMT le 21 novembre 2009 — Edit My Time Zone
Click on a colored region of the map for details.
Full U.S. |
Northeast |
Southeast |
Midwest |
Southern Plains |
Northwest |
Southwest |
Alaska |
Hawaii |
Puerto Rico
Weather Warning Legend:
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- Avis de tornade A tornado warning is issued when a funnel cloud has been spotted or a rotating thunderstorm has been indicated by doppler radar. |
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- Veille de tornade A tornado watch is issued when thunderstorms in and near the watch box area may produce tornadoes. |
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- Avis d'orages violents A severe thunderstorm warning is issued when a storm with any of these severe weather criteria is approaching the warning area:
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- Veille d'orages violents 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:
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- Avertissement d'hiver A winter weather advisory is issued when significant accumulations of snow, sleet, or freezing rain may affect the advisory area. |
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- Avis de vent fort 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. |
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- Avis d'inondation A flood warning is issued when flooding is occuring or is about to occur. |
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- Flood Watch / Flood Statement A flood watch is issued when flooding is possible in the watch area. |
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- 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. |
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- Avis de canicule 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. |
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- Avis de brouillard intense A dense fog advisory is issued when fog that reduces visibility to 1/4 mile or less is possible in the advisory area. |
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- 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. |
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- Hurricane Watch A Hurricane Watch means hurricane conditions are possible in the next 24 hours. |
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- Hurricane Warning A Hurricane Warning means hurricane conditions are expected in the next 24 hours. |
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- Tropical Storm Watch A Tropical Storm warning means tropical storm conditions are possible in the next 24 hours. |
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- Tropical Storm Warning A Tropical Storm warning means tropical storm conditions are expected in the next 24 hours. |
Alaska
Special Weather Statement:
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
Public Information Statement:
Baldwin Peninsula and Selawik Valley, Central Beaufort Sea Coast, Central Interior, Chukchi Sea Coast, Deltana and Tanana Flats, Denali, Eastern Alaska Range, Eastern Beaufort Sea Coast, Eastern Norton Sound and Nulato Hills, Lower Kobuk and Noatak Valleys, Lower Koyukuk and Middle Yukon Valleys, Lower Yukon Valley, Middle Tanana Valley, Northeastern Brooks Range, Northern and Interior Seward Peninsula, Northern Arctic Coast, Northwestern Brooks Range, Southeastern Brooks Range, Southern Seward Peninsula Coast, St Lawrence Island and Bering Strait Coast, Upper Kobuk and Noatak Valleys, Upper Koyukuk Valley, Upper Kuskokwim Valley, Upper Tanana Valley and the Fortymile Country, Western Arctic Coast, Yukon Delta, Yukon Flats and Surrounding Uplands
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Arkansas
Flood Warning:
Public Information Statement:
Arkansas, Baxter, Boone, Bradley, Calhoun, Clark, Cleburne, Cleveland, Conway, Dallas, Desha, Drew, Faulkner, Fulton, Garland, Grant, Hot Spring, Independence, Izard, Jackson, Jefferson, Johnson, Lincoln, Logan, Lonoke, Marion, Monroe, Montgomery, Newton, Ouachita, Perry, Pike, Polk, Pope, Prairie, Pulaski, Saline, Scott, Searcy, Sharp, Stone, Van Buren, White, Woodruff, Yell
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California
High Wind Warning:
Wind Advisory:
Winter Storm Warning:
Burney Basin / Eastern Shasta County, Greater Lake Tahoe Area, Lassen-Eastern Plumas-Eastern Sierra Counties, North Central and Southeast Siskiyou County, Sierra Nevada from Yosemite to Kings Canyon, South Central Siskiyou County, West Slope Northern Sierra Nevada, Western Plumas County/Lassen Park
Winter Weather Advisory:
Central Siskiyou County, Modoc County, Mountains Southwestern Shasta County to Northern Lake County, Northeast Siskiyou and Northwest Modoc Counties, Shasta Lake Area / Northern Shasta County, Upper Trinity River, Western Siskiyou County
Special Weather Statement:
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Colorado
Public Information Statement:
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
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Florida
Flood Warning:
Public Information Statement:
Charlotte, Citrus, Hardee, Hernando, Hillsborough, Lee, Levy, Manatee, Pasco, Pinellas, Polk, Sarasota, Sumter
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Georgia
Flood Warning:
Dodge, Wheeler, Telfair, Treutlen, Wilcox, Screven, Effingham, Appling, Toombs, Jeff Davis, Montgomery
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
Wind Advisory:
Winter Weather Advisory:
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Illinois
Flood Warning:
Jackson, Union, Brown, Cass, Mason, Schuyler, Pike, Scott, Morgan, Piatt, Madison, Randolph, Alexander, Fulton, Clay, Richland, Jersey, Menard
Areal Flood Warning:
Flood Advisory:
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
Flood Advisory:
Public Information Statement:
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Iowa
Public Information Statement:
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Kansas
Dense Fog Advisory:
Allen, Butler, Chautauqua, Cowley, Elk, Greenwood, Harper, Harvey, Kingman, Labette, Montgomery, Neosho, Reno, Sedgwick, Sumner, Wilson, Woodson
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Louisiana
Flood Warning:
Caldwell, Ouachita, Union, Webster, Franklin, East Baton Rouge, St. Mary, Calcasieu, Beauregard, Pointe Coupee, West Feliciana
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Maine
Public Information Statement:
Androscoggin, Central Penobscot, Central Piscataquis, Central Somerset, Central Washington, Coastal Cumberland, Coastal Hancock, Coastal Waldo, Coastal Washington, Coastal York, Interior Cumberland, Interior Hancock, Interior Waldo, Interior York, Kennebec, Knox, Lincoln, Northeast Aroostook, Northern Franklin, Northern Oxford, Northern Penobscot, Northern Piscataquis, Northern Somerset, Northern Washington, Northwest Aroostook, Sagadahoc, Southeast Aroostook, Southern Franklin, Southern Oxford, Southern Penobscot, Southern Piscataquis, Southern Somerset
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Minnesota
Public Information Statement:
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Mississippi
Lake Wind Advisory:
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Missouri
Flood Warning:
Perry, Scott, St. Charles, Chariton, Gasconade, Linn, Livingston, Carroll, Cape Girardeau, Montgomery, Jefferson, St. Louis
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Montana
Lake Wind Advisory:
Record Report:
Beaverhead, Blaine, Broadwater, Cascade, Central and Southern Lewis and Clark, Chouteau, Eastern Glacier, Eastern Pondera, Eastern Teton, Fergus, Gallatin, Hill, Jefferson, Judith Basin, Liberty, Madison, Meagher, Northern Rocky Mountain Front, Southern Rocky Mountain Front, Toole
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Nebraska
Public Information Statement:
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Nevada
Wind Advisory:
Esmeralda and Central Nye County, Las Vegas Valley, Northern Nye County, Southern Lander County and Southern Eureka County, Spring Mountains-Red Rock Canyon, Western Clark and Southern Nye County, White Pine County
High Wind Warning:
Dust Storm Warning:
Winter Storm Warning:
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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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New York
Record Report:
Allegany, Cattaraugus, Chautauqua, Genesee, Jefferson, Lewis, Livingston, Monroe, Niagara, Northern Cayuga, Northern Erie, Ontario, Orleans, Oswego, Southern Erie, Wayne, Wyoming
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North Carolina
Flood Warning:
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Oklahoma
Public Information Statement:
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Oregon
High Wind Watch:
Winter Weather Advisory:
Eastern Douglas County Foothills, Klamath Basin, Northern and Eastern Klamath County and Western Lake County, Siskiyou Mountains and Southern Oregon Cascades, South Central Oregon Cascades
Winter Storm Watch, Winter Weather Advisory:
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South Carolina
Flood Warning:
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South Dakota
Flood Warning:
Wind Advisory:
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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Texas
Flood Warning:
Karnes, Bowie, Angelina, Cass, Polk, Morris, Tyler, Liberty, Hunt, Rockwall, Victoria, Houston, Trinity, Orange, Smith, Wood, Nueces, Newton, San Patricio
Flood Warning, Coastal Flood Warning:
Coastal Flood Warning:
Areal Flood Warning:
Areal Flood Advisory:
Record Report:
Anderson, Aransas, Atascosa, Bandera, Bastrop, Bee, Bell, Bexar, Blanco, Bosque, Burnet, Caldwell, Calhoun, Collin, Comal, Comanche, Cooke, Coryell, Dallas, Delta, Denton, DeWitt, Dimmit, Duval, Eastland, Edwards, Ellis, Erath, Falls, Fannin, Fayette, Freestone, Frio, Gillespie, Goliad, Gonzales, Grayson, Guadalupe, Hamilton, Hays, Henderson, Hill, Hood, Hopkins, Hunt, Jack, Jim Wells, Johnson, Karnes, Kaufman, Kendall, Kerr, Kinney, Kleberg, La Salle, Lamar, Lampasas, Lavaca, Lee, Leon, Limestone, Live Oak, Llano, Maverick, McLennan, McMullen, Medina, Milam, Mills, Montague, Navarro, Nueces, Palo Pinto, Parker, Rains, Real, Refugio, Robertson, Rockwall, San Patricio, Somervell, Stephens, Tarrant, Travis, Uvalde, Val Verde, Van Zandt, Victoria, Webb, Williamson, Wilson, Wise, Young, Zavala
Public Information Statement:
Aransas, Armstrong, Bailey, Bee, Briscoe, Calhoun, Carson, Castro, Childress, Cochran, Collingsworth, Cottle, Crosby, Dallam, Deaf Smith, Dickens, Donley, Duval, Floyd, Garza, Goliad, Gray, Hale, Hall, Hansford, Hartley, Hemphill, Hockley, Hutchinson, Jim Wells, Kent, King, Kleberg, La Salle, Lamb, Lipscomb, Live Oak, Lubbock, Lynn, McMullen, Moore, Motley, Nueces, Ochiltree, Oldham, Parmer, Potter, Randall, Refugio, Roberts, San Patricio, Sherman, Stonewall, Swisher, Terry, Victoria, Webb, Wheeler, Yoakum
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Utah
Wind Advisory:
Great Salt Lake Desert and Mountains, Salt Lake and Tooele Valleys, Southwest Utah, West Central Utah
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Virginia
Flood Warning:
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Washington
Flood Warning:
Areal Flood Watch:
Winter Weather Advisory:
Winter Storm Watch, Winter Weather Advisory:
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Wyoming
Special Weather Statement:
Jackson Hole, Salt River and Wyoming Ranges, Star Valley, Teton and Gros Ventre Mountains, Yellowstone National Park
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