An autumn storm brought waves of rainfall and some flashes of lightning to the San Diego area today, causing scattered flooding problems along with typical rainy-day woes on streets and freeways.
As of early evening, the wet clouds were concentrating their heaviest drenching on the county’s southern reaches while moving off toward Baja California, according to the National Weather Service. Still, diminishing showers were expected to continue through much of the region into Wednesday morning, the NWS reported.
Over the 24-hour period ending at 4 p.m., the storm dropped 1.58 inches of rain in Santa Ysabel; 1.5 inches in Fallbrook; 1.48 in Julian; 1.11 in San Onofre; 0.91 in Ramona; 0.89 in Rancho Bernardo; 0.81 in Borrego Springs; 0.76 at Palomar Observatory; 0.63 in Encinitas; 0.52 in Descanso; 0.44 in Kearny Mesa; 0.36 in Poway; 0.31 in Mission Valley; 0.26 at Brown Field airport; and 0.24 in downtown San Diego.
Throughout the day, the cloudbursts also resulted in road flooding and minor mudslides throughout the county.
Shortly before 8 a.m., a boulder rolled down an embankment and onto Interstate 15 near Mission Road in the Fallbrook area, hitting a southbound vehicle but not causing any injuries, according to the California Highway Patrol.
Flooding at Rancho Bernardo Road, meanwhile, caused a section of the same freeway to be closed for part of the morning.
Through the day, the downpours also submerged parts of the following roadways: eastbound state Route 78 at North Las Posas Road; Valley Center Road at Woods Valley Road; the 100 block of Ramona Street; and several eastbound Interstate 15 carpool lanes at Pomerado Road.
Between midnight and 5 p.m., the California Highway Patrol logged 231 accidents on area freeways and rural roads. Over an entire day of dry weather, by comparison, the CHP typically tallies 50 to 75 crashes in the San Diego region.
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