After moderate precipitation Friday, Northern California is bracing for a major rain and snow Saturday and Sunday. This could be the Bay Area’s wettest weekend stretch in more than a year, and chain controls are likely in the Sierra. Here’s the outlook:
Friday overview
• The Central Valley and foothills were hit with heavy lightning activity, with more than 30,000 total strikes.
• Rainfall totals were generally between 0.25 and 0.75 of an inch Friday.
• About 7 to 10 inches of snow fell above 7,500 feet in the Sierra on Friday night. Snow levels did come down to lake level later, but there was just a coating of snow…