NORCO, Calif. — A wind-driven wildfire has triggered evacuations in the inland region of Southern California.

Cal Fire Riverside County says the fire erupted shortly before 10 a.m. Tuesday in a river bottom in Norco and about 90 minutes later had spread over 100 acres. More than 200 firefighters and a helicopter were dispatch to the scene about 40 miles southeast of downtown Los Angeles.

Cal Fire issued evacuation orders for various streets adjacent to the fire. The National Weather Service says winds out of the northeast were gusting up to 25 mph and humidity levels were as low as 15%.

Norco is a horse country community of about 26,000.