A red flag warning denoting a high risk of wildfire will be in effect from Tuesday evening through Wednesday in the mountains, forests and most valleys of L.A. and Ventura counties, the National Weather Service said.
“Gusty Santa Ana winds will return to Southwest California tonight into Wednesday,” according to an NWS statement. “The strongest winds will be focused across eastern Ventura and western Los Angeles counties Tuesday night into Wednesday morning, with wind gusts ranging between 35 and 45 miles per hour in wind prone areas.”
The weather service said Santa Ana winds will bring warming and drying to the area under warning, with widespread humidity levels of 8 and 20 percent, along with high temperatures climbing well into the 80s across lower elevations.
The red flag warning will be in force in the San Gabriel Mountains, the Angeles National Forest in L.A. County, Ventura County’s Los Padres National Forest, the Santa Monica Mountains Recreational Area, the San Fernando and Santa Clarita valleys and Ventura county’s coastal valleys.
Earlier, the weather service said a high wind advisory will be in force until 3 p.m. Tuesday in the San Gabriel Mountains and a fire weather watch — now supplanted by the red flag warning — would be in force from Tuesday evening through Wednesday in mountain and forest areas of L.A. and Ventura counties.
The strongest winds Tuesday will blow through the Interstate 5 corridor, the National Weather Service said in a statement, forecasting north winds of 20 to 30 miles per hour with 50-mile-per-hour gusts.
“Gusty winds will make driving difficult, especially for high profile vehicles,” according to the statement, which warned that that Highway 33 in Ventura County would be difficult to negotiate, along with Interstate 5 and the Antelope Valley (14) Freeway in Los Angeles County.
Also scheduled is a fire weather watch from Tuesday evening through Wednesday in the San Gabriel Mountains and the forest areas that cover them — the Angeles National Forest in L.A. County and Ventura County’s Los Padres National Forest. It was issued because of an expectation of gusty Santa Ana winds blowing at between 35 and 45 mph and low humidity in the San Gabriel Mountains and most L.A. and Ventura county valleys.
“The Santa Ana winds will bring warming and drying to the watch area, with widespread humidities between 8 and 20 percent, along with temperatures climbing well into the 80s across lower elevations,” warned an NWS statement. “Coastal areas of Los Angeles and Ventura counties will see elevated fire weather conditions, and perhaps a few hours of critical conditions.”
“If fire ignition occurs, conditions may be favorable for rapid fire spread and extreme fire behavior, which would threaten life and property.”
A Fire Weather Watch means that critical fire weather conditions are possible, according to the NWS.
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