6,735 Lighting Strikes Occurred in California on Monday California saw 6,735 lighting strikes on Monday, September 11th, 2017. Thatโs a huge number for one day in California. Crazy weatherโฆ โDid you see lightning yesterday? If so, you werenโt aloneโฆover 6700 lightning strikes were detected across California yesterday! Perhaps just as surprising, many of these occurred over the Bay Area!โ โ NOAA, yesterday Weather WeatherBrains | September 13, 2017 0 Comments