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Storm Center: Weather Alerts: Warnings
My Location:
San Francisco, CA
Current Time: 01:40:08 PM PST
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Other Weather Alerts |
| Type |
Air Quality Alert |
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| Issued By |
NWS Riverton (Western Wyoming) |
| Issuing Time |
Thu, 20 Feb 2020 12:20:00 PST |
| Broadcast Time |
Thu, 20 Feb 2020 12:20:00 PST |
| Valid Until |
Thu, 20 Feb 2020 21:00:00 PST |
| Brief Description |
Air Quality Alert |
| Detailed Description |
Ozone Action Day in Effect for Thursday, February 20th, 2020 for the Upper Green River Basin Ozone Nonattainment Area. The following message is transmitted at the request of the Air Quality Division of the Wyoming Department of Environmental Quality. The Air Quality Division has issued an Ozone Action Day for Thursday, February 20th, 2020 for the Upper Green River Basin Ozone Nonattainment Area. An Ozone Action Day is issued when forecasted weather conditions are favorable for the formation of ozone. Ozone appears to be elevated in the basin when there is a presence of ozone-forming precursor emissions including oxides of nitrogen and volatile organic compounds coupled with meteorological conditions such as strong temperature inversions, low winds, snow cover, and sunlight. During the winter ozone season (January-March), everyone should take actions to reduce precursor emissions and ground-level ozone formation. Ozone is an air pollutant that can cause respiratory distress especially to children, the elderly, and people with existing respiratory conditions such as asthma. People in these sensitive groups should limit strenuous or extended outdoor activities, especially in the afternoon and evening. For more information on ozone and the health effects of ozone, please visit the websites for the Wyoming Department of Environmental Quality at deq.wyoming.gov and the Wyoming Department of Health at www.health.wyo.gov. Current information on ozone levels at the Air Quality Division`s monitoring stations at Daniel South, Pinedale, Boulder, Big Piney, and Juel Spring can be found at www.wyvisnet.com. |
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| Region |
Alert |
| American Samoa |
Flash Flood Warning
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| Wisconsin |
Flood Warning
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| Texas |
Flood Warning (35)
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| Tennessee |
Flood Warning (107)
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| South Dakota |
Flood Warning (17)
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| South Carolina |
Flood Warning (25)
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| Nebraska |
Flood Warning (7)
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| North Carolina |
Flood Warning (13)
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| Mississippi |
Flood Warning (232)
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| Missouri |
Flood Warning (54)
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| Michigan |
Flood Warning
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| Louisiana |
Flood Warning (142)
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| Kentucky |
Flood Warning (97)
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| Indiana |
Flood Warning (117)
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| Illinois |
Flood Warning (99)
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| Georgia |
Flood Warning (113)
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| Florida |
Flood Warning (2)
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| Arkansas |
Flood Warning (101)
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| Alabama |
Flood Warning (101)
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| Tennessee |
Urban and Small Stream Flood Advisory (10)
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| Nebraska |
Urban and Small Stream Flood Advisory (6)
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| Mississippi |
Urban and Small Stream Flood Advisory (14)
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| Arkansas |
Urban and Small Stream Flood Advisory (9)
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| Alabama |
Urban and Small Stream Flood Advisory (7)
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| South Carolina |
Urban and Small Stream Flood Advisory (2)
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| Missouri |
Urban and Small Stream Flood Advisory (7)
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| Kentucky |
Urban and Small Stream Flood Advisory (4)
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| Virginia |
Winter Weather Warning, Watch, or Advisory (15)
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| Tennessee |
Winter Weather Warning, Watch, or Advisory (6)
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| South Carolina |
Winter Weather Warning, Watch, or Advisory (6)
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| North Carolina |
Winter Weather Warning, Watch, or Advisory (29)
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| Alaska |
Winter Weather Warning, Watch, or Advisory (11)
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| Georgia |
Winter Weather Warning, Watch, or Advisory (5)
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| Wyoming |
Air Stagnation Advisory
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| South Carolina |
Lakeshore Warning or Statement (2)
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| North Carolina |
Coastal Flood Warning, Watch, or Statement (2)
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| Georgia |
Flash Flood Watch (4)
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| Alabama |
Flash Flood Watch (2)
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| Mississippi |
Flash Flood Watch
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| Mississippi |
Severe Weather Statement (5)
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| Louisiana |
Severe Weather Statement (3)
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| Mississippi |
Flood Statement
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| Indiana |
Flood Statement (2)
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| Illinois |
Flood Statement
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| Alabama |
Flood Statement (8)
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| Kentucky |
Flood Statement
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| North Carolina |
Marine Weather Statement (5)
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| Hawaii |
Marine Weather Statement (2)
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| Guam |
Marine Weather Statement (9)
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| American Samoa |
Marine Weather Statement
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| Kosrae Coastal Waters |
Marine Weather Statement
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| Pohnpei Coastal Waters |
Marine Weather Statement
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| Chuuk Coastal Waters |
Marine Weather Statement
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| American Samoa coastal waters |
Marine Weather Statement (2)
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| Lake Ontario |
Marine Weather Statement
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| Lake Superior - Michigan,Lake Superior; St. Marys River |
Marine Weather Statement (8)
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| Lake Ontario |
Marine Weather Statement
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| Lake Ontario |
Marine Weather Statement
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| Lake Ontario |
Marine Weather Statement
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| Lake Ontario |
Marine Weather Statement
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| Virgin Islands |
Marine Weather Statement (2)
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| Lake Ontario |
Marine Weather Statement
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| Lake Ontario |
Marine Weather Statement
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| Texas |
Non Precipitation Warning, Watch, or Statement (7)
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| New Mexico |
Non Precipitation Warning, Watch, or Statement (2)
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| North Carolina |
Non Precipitation Warning, Watch, or Statement (5)
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| Louisiana |
Non Precipitation Warning, Watch, or Statement
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| Hawaii |
Non Precipitation Warning, Watch, or Statement (4)
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| Georgia |
Non Precipitation Warning, Watch, or Statement
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| California |
Non Precipitation Warning, Watch, or Statement
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| American Samoa |
Non Precipitation Warning, Watch, or Statement
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| Alaska |
Non Precipitation Warning, Watch, or Statement (5)
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| Coastal Texas |
Non Precipitation Warning, Watch, or Statement
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| Coastal North Carolina |
Non Precipitation Warning, Watch, or Statement (8)
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| Pamlico Sound - North Carolina |
Non Precipitation Warning, Watch, or Statement (5)
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| Coastal North Carolina |
Non Precipitation Warning, Watch, or Statement
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| Coastal Virginia,Coastal North Carolina |
Non Precipitation Warning, Watch, or Statement
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| Currituck Sound |
Non Precipitation Warning, Watch, or Statement (3)
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