Five engines made the trip on Wednesday night.
Officials said 25 local firefighters would be ready to help if fires break out.
Several brush fires sparked overnight, and some have prompted evacuations, including the fast-spreading Bond Fire in Orange County.
RELATED: SoCal blaze sparked by house fire prompts mandatory evacuations
Bond Fire: Silverado Canyon blaze sparked by house fire prompts mandatory evacuation
Elevated fire danger continues in Southern California as Santa Ana winds combined with dry conditions and warm temperatures.