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The Santa Anas are katabatic winds (Greek for "flowing downhill") arising in higher altitudes and blowing down towards sea level. [7] The National Weather Service defines Santa Ana winds as "a weather condition [in southern California] in which strong, hot, dust-bearing winds descend to the Pacific Coast around Los Angeles from inland desert regions".
A wind advisory is generally issued by the National Weather Service of the United States when there are sustained non thunderstorm winds of 31–39 miles per hour (50–63 km/h) and/or gusts of 46–57 miles per hour (74–92 km/h) over land. Winds over the said cap will trigger high wind alerts rather than a wind advisory
Lake wind advisory NPW – Sustained wind speeds of 20 to 29 miles per hour (32 to 47 km/h) are forecast to persist for one hour or longer on area lakes that may cause hazards for maritime travel; wind speeds meeting advisory criteria may vary depending on the county warning area. The usage of this product is locally determined by each Weather ...
A strong Santa Ana wind event is setting up across Southern California. A rare Particularly Dangerous Situation (PDS) alert has been issued for Los Angeles and Ventura counties.
As strong winds in Southern California pick up further early on Tuesday, a "particularly dangerous situation" with a red flag warning will go into effect in western Los Angeles County and most of ...
A serious wildfire situation has unfolded for coastal areas of Southern California as a powerful Santa Ana event that can even reach into the metro areas of Los Angeles and San Diego continues ...
a wind chill warning remains in effect until noon cst tuesday. * this is a particularly dangerous situation! * wind chill values: 35 to 65 below...with the coldest readings tonight and monday morning. * impacts: exposed flesh will freeze in 10 minutes with wind chills of 35 below...and in 5 minutes with wind chills of 50 below or colder.
Santa Ana winds will increase into early Tuesday, bringing the threat of damaging winds gusting from 60 to 80 miles per hour across the prone mountain regions surrounding Los Angeles.Spanning from ...