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Strong Santa Ana winds prompt San Diego wildfire warnings

Posted at 12:21 PM, Dec 02, 2020
and last updated 2020-12-02 22:37:28-05

UPDATE (7:36 p.m. Wednesday): SDG&E says about 752 customers in portions of Alpine, Campo, Campo Reservation, Descanso, Jacumba, La Posta Reservation, Ramona, Santa Ysabel, Santa Ysabel Reservation, Valley Center, and Viejas Reservation have had power shut off due to high winds.

UPDATE (7:13 p.m. Wednesday): SDG&E has shut off power to about 240 customers in Viejas, West Descanso, Boulder Creek, Alpine, and Valley Center due to high winds.

SAN DIEGO (CNS) - A predicted period of highly gusty and dry conditions across the San Diego area prompted authorities Wednesday to issue warnings of increased wildfire hazards and the potential for public-safety power shutoffs over the next several days in particularly at-risk locales.

Arid Santa Ana winds will increase in strength and become widespread across the county late Wednesday evening, with 50-mph gusts possible in the mountains and the western valleys, according to the National Weather Service.

On Thursday, humidity levels dipping below 10%, sustained 30-plus-mph winds and gusts of 60 mph or higher will create "extremely critical" combustion hazards in local mountain communities into the early afternoon, the federal agency reported. Affected highland areas include those east of Chula Vista, El Cajon, Escondido and Fallbrook, meteorologists advised.


In response to the expected atmospheric conditions, the NWS issued a red-flag wildfire warning for local inland valley and highland areas, effective from 6 Wednesday evening to 10 p.m. Saturday. The most intensive critical fire-weather conditions are expected to last from Wednesday evening through Friday morning, meteorologists advised.

Due to the wildfire warning, San Diego Gas & Electric has notified about 95,154 of its customers in inland communities that they could be subject to public-safety power shutoffs from Wednesday night into the weekend, and potentially through Monday.

RELATED: SDG&E issues warning to more than 88,000 customers amid red flag warning

The dry and windy weather pattern is likely to continue into next week, though likely in a weakened manner, according to forecasters.