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    l3a19
    May 6 2008 13:07:27

    U.S. Severe Weather Map

    ปรับปรุงล่าสุด: 01:00 AM GMT วัน พฤษภาคม 17, 2008Edit My Time Zone
    Visit StateFarm.com

    Click on a colored region of the map for details.

    Weather Warning Legend:
     
    Tornado Warning - 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 - Tornado Watch
    A tornado watch is issued when thunderstorms in and near the watch box area may produce tornadoes.
    Severe Thunderstorm Warning - 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 - 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 - 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 - 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 - Flood Warning
    A flood warning is issued when flooding is occuring or is about to occur.
    Flood Watch / Flood Statement - Flood Watch / Flood Statement
    A flood watch is issued when flooding is possible in the watch area.
    Hurricane Local Statement - 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 - 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 - 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 - 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 - Hurricane Watch
    A Hurricane Watch means hurricane conditions are possible in the next 24 hours.
    Hurricane Warning - Hurricane Warning
    A Hurricane Warning means hurricane conditions are expected in the next 24 hours.
    Tropical Storm Watch - Tropical Storm Watch
    A Tropical Storm warning means tropical storm conditions are possible in the next 24 hours.
    Tropical Storm Warning - Tropical Storm Warning
    A Tropical Storm warning means tropical storm conditions are expected in the next 24 hours.
     
    U.S. Warnings by County
     
     
    Alabama
    Record Report:
    Public Information Statement:
    Alaska
    Areal Flood Watch:
    Record Report:
    Arizona
    Special Weather Statement:
    Public Information Statement:
    Arkansas
    Flood Warning:
    Flood Advisory:
    Public Information Statement:
    California
    Heat Advisory, Excessive Heat Warning:
    Heat Advisory:
    Heat Advisory, Excessive Heat Watch:
    Special Weather Statement:
    Antelope Valley, Apple and Lucerne Valleys, Burney Basin / Eastern Shasta County, Carquinez Strait and Delta, Catalina Island, Central Sacramento Valley, Clear Lake/Southern Lake County, Coachella Valley, Cuyama Valley, East-Central San Joaquin Valley, Imperial County, Indian Wells Valley, Joshua Tree National Park, Kern County Mountains, Los Angeles County Coast including Downtown Los Angeles, Los Angeles County Mountains excluding the Santa Monica Range, Los Angeles County Valleys, Lower Colorado River Valley CA, Mariposa Madera and Fresno County Foothills, Mendocino Coast, Mendocino Interior, Motherlode, Mountains Southwestern Shasta County to Northern Lake County, North Coast Interior, Northeast Foothills/Sacramento Valley, Northern Sacramento Valley, Northern San Joaquin Valley, Orange County Coastal Areas, Redwood Coast, Riverside County Mountains, Riverside County/Eastern Deserts, 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, San Luis Obispo County Central Coast, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Ana Mountains and Foothills, Santa Barbara County Central Coast, Santa Barbara County Mountains, Santa Barbara County South Coast, Santa Clarita Valley, Santa Monica Mountains Recreational Area, Santa Ynez Valley, Shasta Lake Area / Northern Shasta County, Sierra Nevada from Yosemite to Kings Canyon, Southeastern Kern County Desert, Southeastern San Joaquin Valley, Southern Sacramento Valley, Southwestern San Joaquin Valley, Tulare County Foothills, Tulare County Mountains, Upper Trinity River, Ventura County Coast, Ventura County Coastal Valleys, Ventura County Interior Valleys, Ventura County Mountains, West Slope Northern Sierra Nevada, West-Central San Joaquin Valley, Western Plumas County/Lassen Park
    Record Report:
    Apple and Lucerne Valleys, Burney Basin / Eastern Shasta County, Carquinez Strait and Delta, Central Sacramento Valley, Central Siskiyou County, Clear Lake/Southern Lake County, Coachella Valley, East-Central San Joaquin Valley, Indian Wells Valley, Kern County Mountains, Mariposa Madera and Fresno County Foothills, Mendocino Coast, Mendocino Interior, Modoc County, Motherlode, Mountains Southwestern Shasta County to Northern Lake County, North Central and Southeast Siskiyou County, North Coast Interior, Northeast Foothills/Sacramento Valley, Northeast Siskiyou and Northwest Modoc Counties, Northern Sacramento Valley, Northern San Joaquin Valley, 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, San Francisco, Santa Ana Mountains and Foothills, Shasta Lake Area / Northern Shasta County, Sierra Nevada from Yosemite to Kings Canyon, South Central Siskiyou County, Southeastern Kern County Desert, Southeastern San Joaquin Valley, Southern Sacramento Valley, Southwestern San Joaquin Valley, Tulare County Foothills, Tulare County Mountains, unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown, Upper Trinity River, West Slope Northern Sierra Nevada, West-Central San Joaquin Valley, Western Plumas County/Lassen Park, Western Siskiyou County
    Public Information Statement:
    Colorado
    Public Information Statement:
    Alamosa Vicinity/Central San Luis Valley Below 8500 Ft, Animas River Basin, Central Chaffee County Below 9000 Ft, Central Colorado River Basin, Central Gunnison and Uncompahgre River Basin, Central Yampa River Basin, Debeque to Silt Corridor, Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft, Eastern San Juan Mountains Above 10000 Ft, Eastern Sawatch Mountains Above 11000 Ft, Elkhead and Park Mountains, Flattops, Four Corners/Upper Dolores River, Gore and Elk Mountains/Central Mountain Valleys, Grand and Battlement Mesas, Grand Valley, La Garita Mountains Above 10000 Ft, Leadville Vicinity/Lake County Below 11000 Ft, Lower Yampa River Basin, Northern Sangre De Cristo Mountains Above 11000 Feet, Northern Sangre De Cristo Mountains Between 8500 And 11000 Ft, Northwestern Fremont County above 8500 Ft, Northwestern San Juan Mountains, Paradox Valley/Little Dolores River, Roan and Tavaputs Plateaus, Saguache County East of Continental Divide Below 10000 Ft, Saguache County West of Continental Divide Below 10000 Ft, San Juan River Basin, Southern San Luis Valley, Southern Sangre De Cristo Mountains Above 11000 Ft, Southern Sangre De Cristo Mountains Between 7500 and 11000 Ft, Southwest San Juan Mountains, Teller County/Rampart Range above 7500 Ft/Pikes Peak Between 7500 And 11000 Ft, Uncompahgre Plateau/Dallas Divide, Upper Gunnison River Valley, Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Ft, Upper Yampa River Basin, West Elk and Sawatch Mountains, Western Chaffee County Between 9000 and 11000 Ft, 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
    Florida
    Fire Weather Warning:
    Record Report:
    Public Information Statement:
    Idaho
    Flood Warning:
    Areal Flood Warning:
    Areal Flood Watch:
    Areal Flood Watch:
    Flood Watch, Areal Flood Watch:
    Flood Watch:
    Public Information Statement:
    Illinois
    Flood Warning:
    Flood Warning:
    Indiana
    Flood Warning:
    Iowa
    Flood Warning:
    Public Information Statement:
    Kansas
    Record Report:
    Kentucky
    Flood Warning:
    Louisiana
    Flood Warning:
    Public Information Statement:
    Minnesota
    Wind Advisory:
    Mississippi
    Flood Warning:
    Record Report:
    Public Information Statement:
    Missouri
    Flood Warning:
    Record Report:
    Montana
    Flood Watch, Areal Flood Watch:
    Areal Flood Watch:
    Flood Watch:
    Lake Wind Advisory:
    Fire Weather Watch, Fire Weather Warning:
    Fire Weather Warning:
    Fire Weather Watch:
    Special Weather Statement:
    Nevada
    Public Information Statement:
    North Carolina
    Severe Thunderstorm Warning:
    Coastal Flood Statement:
    Special Weather Statement:
    North Dakota
    Wind Advisory:
    Fire Weather Watch, Fire Weather Warning:
    Fire Weather Watch:
    Public Information Statement:
    Ohio
    Flood Warning:
    Oregon
    Flood Warning:
    Flood Watch:
    Heat Advisory:
    Special Weather Statement:
    Record Report:
    Public Information Statement:
    Puerto Rico
    High Surf Advisory:
    South Carolina
    High Wind Advisory:
    South Dakota
    High Wind Advisory:
    Texas
    Flood Warning:
    Public Information Statement:
    Utah
    Public Information Statement:
    Virgin Islands
    High Surf Advisory:
    Virginia
    Special Weather Statement:
    Washington
    Flood Warning:
    Flood Watch, Areal Flood Watch:
    Areal Flood Watch:
    Flood Watch:
    Heat Advisory:
    Special Weather Statement:
    Record Report:
    Wisconsin
    Severe Thunderstorm Warning:
    Special Weather Statement:
     
     

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