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A conventional red flag warning — indicating critical fire weather conditions and rapid fire spread with any new ignition — is already in effect for wide swaths of the counties of Los Angeles ...
LOS ANGELES – Southern California is on alert for a ferocious return of fire danger as the National Weather Service issues its most urgent warning for extreme fire weather.. Destructive Santa ...
The most serious red flag fire weather warning has been issued by the NWS for swaths of L.A. and Ventura counties starting before dawn Tuesday. Weather service issues its most severe fire warning ...
These warnings are issued by the National Weather Service Weather Forecast Offices rather than the Storm Prediction Center. The PDS wind chill warning shown below was issued by the National Weather Service in the Twin Cities on January 5, 2014. [22]
The National Weather Service issues a similar high wind warning (Specific Area Message Encoding code: HWW) for high winds on land. The criteria vary from place to place; however, in most cases, the warning applies to winds of 40 miles per hour (64 km/h) to 73 miles per hour (117 km/h) for at least 1 hour; or any gusts of 58 miles per hour (93 km/h) to 114 miles per hour (183 km/h) on land.
In the United States an extreme cold warning was an experimental weather warning issued by the National Weather Service in North Dakota, South Dakota, and Minnesota. [5] The warning was issued if the temperature fell to −35 °F (−37 °C) or colder with a wind of less than 5 mph (8 km/h; 2 m/s). [6]
Top weather news for Tuesday, Jan. 21, 2025: A dangerous winter storm sweeping across the South has prompted Blizzard Warnings for portions of Texas and Louisiana, new wildfires have erupted in ...
Hazardous Inflight Weather Advisory Service (HIWAS [1]) was a continuous broadcast of hazardous weather information which is transmitted over selected VORs.This hazardous weather includes AIRMETs, SIGMETs, Convective SIGMETs, Center Weather Advisories (CWAs), Severe Alert Weather Watches (AWWs), and urgent PIREPs.