Thousands of lightning strikes were visible across the sky Tuesday morning as thunderstorms rolled through parts of California's Central Valley and the San Francisco Bay Area, sparking several fires. According to the San Francisco Bay Area bureau of the National Weather Service, nearly 4,800 total lightning strikes were reported in the region between midnight and 5:30 a.m. The National Weather Service says lightning may be to blame for the fires in southeastern Monterey County and southwest Fres