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The term derecho derives from the Spanish language and means "straight ahead" when translated into English. In meteorology, the word is used to describe a powerful complex of thunderstorms that ...
Millions of people across Southern California are under a red flag warning as a dangerous windstorm fanned blazes in the Los Angeles area, including the Palisades Fire, which has triggered ...
Red flag warnings are in place for Southern California due to Santa Ana winds that will bring gusts up to 65 mph and “extremely rare and dangerous” fire weather conditions.
A weather warning generally refers to an alert issued by a meteorological agency to warn citizens of approaching dangerous weather.A weather watch, on the other hand, typically refers to an alert issued to indicate that conditions are favorable for the development of dangerous weather patterns, although the dangerous weather conditions themselves are not currently present.
On land, the National Weather Service issues a 'high wind warning' (Specific Area Message Encoding code: HWW) for storm-force winds, which also encompasses the lesser gale-force and greater hurricane force winds. In most cases, the warning applies to winds of 40-114 MPH for at least 1 hour; or any gusts of 58-114 miles per hour on land unless a ...
The warnings are in effect from Monday through Wednesday night as damaging Santa Ana winds with gusts up to 40 to 65 mph will blow through, according to the National Weather Service in Los Angeles.
As the derecho tracked from Missouri to West Virginia early on April 2, another widespread outbreak of severe weather and tornadoes was expected to occur across the broader Ohio River Valley region. On April 1, the SPC issued a Moderate risk across much of Ohio and adjacent portions of surrounding states, that outlook was valid for April 2.
The official scientific criteria of a derecho, as described by the National Weather Service's Storm Prediction Center, pertains to a swath of wind damage that must extend either continuously or ...