POSTED: Friday, April 13, 2012 - 10:30pm
UPDATED: Sunday, April 15, 2012 - 3:01pm
NBC NATIONAL NEWS — People living in San Francisco saw a light show over night Thursday.
Caught on camera a line of thunderstorms swept across the region bringing record rain fall and more than 750 lightning strikes.
Photographer Phil Mcgrew captured this amazing photo with a 20 second time lapse exposure as lightning hit all four towers of the Bay Bridge.