Storms are not common in San Francisco, but they do happen occasionally. We usually get at least one or two good thunderstorms with high wind every winter. The

Storms are not common in San Francisco, but they do happen occasionally. We usually get at least one or two good thunderstorms with high wind every winter. There was a big one in February that eroded away a huge chunk of beach: http://www.sfgate.com/bayarea/article/Old-ruins-emerging-on-SF-beach-reveal-long-battle-6858350.php http://www.sfgate.com/bayarea/article/Old-ruins-emerging-on-...