Spokeswoman Monica Munoz said the department put firefighters on overtime to staff five brush rigs, two water tenders and one additional firefighting helicopter.
The National Weather Service office in San Diego issued a red flag warning for 10 a.m. Thursday until 10 p.m. Friday. The forecast calls for gusty Santa Ana winds and humidity in the single digits.
Withe the increased staffing, the fire department will have two helicopters on call for immediate response in case of a wildfire.
Fuels are very dry and fires will grow rapidly and be difficult to control upon ignition, according to the Santa Ana Wildfire Threat Index.
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