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  Storm Center: Weather Alerts: Warnings


 
My Location: San Francisco, CA 
 
Current Time: 12:03:15 AM PDT
Other Alerts  
Weather Alert
    Other Weather Alerts
Type Severe Thunderstorm Warning
Issued By
Issuing Time Wed, 20 Aug 2025 21:58:10 PDT
Broadcast Time Wed, 20 Aug 2025 21:58:10 PDT
Valid Until Thu, 21 Aug 2025 00:56:10 PDT
Brief Description Severe Thunderstorm Warning
Detailed Description At 11:57 p.m. CDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing very strong wind gusts, nickel to ping pong ball size hail and heavy rain. ### Driving conditions will likely be difficult. Heavy rain may cause flash flooding and significant reductions to visibility. Large hail may cause significant damage and injury. Severe thunderstorms can produce tornadoes. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.
       
All Alerts
Region Alert
South Dakota Flood Warning (3)
North Carolina Flood Warning (9)
Wisconsin Flood Warning (9)
Iowa Flood Warning (22)
South Carolina Flood Warning (6)
Georgia,South Carolina Flood Warning (7)
Minnesota Flood Warning (15)
Illinois,Wisconsin Flood Warning (6)
Coastal New Jersey Hurricane Local Statement
Coastal New Jersey,Coastal Delaware Hurricane Local Statement
Coastal New Jersey Hurricane Local Statement
Virginia Hurricane Local Statement (3)
Chesapeake Bay,Currituck Sound,Coastal Atlantic (south to North Carolina),Coastal Delaware-Maryland-Virginia,Coastal Virginia,Coastal North Carolina Hurricane Local Statement
Nevada Public Severe Weather Alert (7)
California Public Severe Weather Alert (52)
Oregon Public Severe Weather Alert
Florida Coastal Flood Warning, Watch, or Statement (2)
Delaware Coastal Flood Warning, Watch, or Statement (13)
New Jersey Coastal Flood Warning, Watch, or Statement (35)
North Carolina Coastal Flood Warning, Watch, or Statement (55)
Hawaii Coastal Flood Warning, Watch, or Statement (5)
Virginia Coastal Flood Warning, Watch, or Statement (21)
Maryland Coastal Flood Warning, Watch, or Statement (19)
New York Coastal Flood Warning, Watch, or Statement (14)
Connecticut,New York Coastal Flood Warning, Watch, or Statement (4)
Massachusetts Coastal Flood Warning, Watch, or Statement (2)
Iowa Flood Statement (5)
Wisconsin Flood Statement (4)
Minnesota,North Dakota Flood Statement
Florida Air Stagnation Advisory
Arizona Air Stagnation Advisory
Wyoming Air Stagnation Advisory
Colorado Air Stagnation Advisory (15)
California Non Precipitation Warning, Watch, or Statement (102)
Arizona Non Precipitation Warning, Watch, or Statement (38)
Delaware,New Jersey Non Precipitation Warning, Watch, or Statement (2)
Coastal New Jersey Non Precipitation Warning, Watch, or Statement (2)
Delaware Bay Non Precipitation Warning, Watch, or Statement (3)
Utah Non Precipitation Warning, Watch, or Statement (4)
Oregon,Washington Non Precipitation Warning, Watch, or Statement (10)
North Carolina,Virginia Non Precipitation Warning, Watch, or Statement (7)
Maryland Non Precipitation Warning, Watch, or Statement (4)
Coastal California Non Precipitation Warning, Watch, or Statement (7)
Coastal New York Non Precipitation Warning, Watch, or Statement (3)
Coastal New York,Coastal New Jersey-New York Non Precipitation Warning, Watch, or Statement
Coastal Massachusetts Non Precipitation Warning, Watch, or Statement (4)
Idaho,Washington Non Precipitation Warning, Watch, or Statement (2)
Oregon Red Flag Warning
California Red Flag Warning (11)
Coastal North Carolina Marine Weather Statement (64)
Delaware Bay Marine Weather Statement (3)
Coastal New Jersey,Coastal Delaware Marine Weather Statement (30)
Coastal New Jersey Marine Weather Statement
Indiana,Michigan Marine Weather Statement (19)
Coastal Oregon Marine Weather Statement
Coastal Oregon-California,Coastal California-Oregon Marine Weather Statement (38)
Florida Marine Weather Statement (25)
Coastal Florida Marine Weather Statement (5)
Lake Erie Marine Weather Statement (10)
Lake Ontario Marine Weather Statement (10)
Virginia Marine Weather Statement (2)
Maryland Marine Weather Statement (9)
Chesapeake Bay,Coastal Atlantic (south to NC) Marine Weather Statement (74)
New York Marine Weather Statement (19)
Ohio Marine Weather Statement (6)
Pennsylvania Marine Weather Statement (6)
Lake Erie Marine Weather Statement
Wisconsin Marine Weather Statement (8)
Illinois Marine Weather Statement (9)
Alaska Marine Weather Statement (4)
Georgia Marine Weather Statement (8)
South Carolina Marine Weather Statement (6)
Maine Marine Weather Statement (6)
Massachusetts Marine Weather Statement (24)
Rhode Island Marine Weather Statement (3)
Lake Erie Marine Weather Statement
Lake Erie Marine Weather Statement
Lake Erie Marine Weather Statement
Lake Erie Marine Weather Statement
Lake Erie Marine Weather Statement
Lake Erie Marine Weather Statement
Lake Erie Marine Weather Statement
Lake Erie Marine Weather Statement
       
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