SILVERADO CANYON—Overnight rains saturated hillsides in Silverado Canyon March 10, prompting a mudslide that trapped some vehicles and led authorities to issue a mandatory evacuation order for the area. No injuries were immediately reported from the slide, which occurred around 7 a.m., sending thick mud cascading onto Silverado Canyon Road between roughly Ladd Canyon Road and Olive Drive. Silverado Canyon Road was closed as crews descended on the area with bulldozers and other equipment to clear the muck from the roadway. With more rain anticipated to fall in the area, the Orange County Sheriff’s Department issued a mandatory evacuation order late the morning of March 10 for residents in Modjeska and Williams canyons as well. It was not immediately clear if any homes were damaged by the morning mudslide. According to the National Weather Service, more than a half-inch of rain fell over a roughly three-hour period in the area, …