For real-time tornado risk updates, please follow me on Twitter @usweatherexpert. Update 1pm PST The area outlined is where the NWS Storm Prediction Center believes is the area where a tornado or two and large hail is most likely this afternoon and early evening. Please monitor local weather sources plus I will be tweeting about the storms.  -- original posting --  Please note that the tornado risk area (brown) has been increased in size to include Chico. This forecast is still valid through this evening.  The red area around Santa Barbara has a high risk of flash flooding. The yellow has a moderate risk.  [Updated] The NWS has upgraded the flood risk for the Los Angeles area Tuesday.  Please closely monitor the weather in this area. Heavy to extreme snows are forecast in the Sierra. 

For real-time tornado risk updates, please follow me on Twitter  @usweatherexpert The NWS is forecasting a significant risk of tornadoes tomorrow (Monday) in California. The brown area is a significant risk. The green is a non-zero but very small risk.  There is also a high risk of flooding along parts of the coast. And, Monday, there is a high risk around Santa Barbara. Here is the total precipitation between now and Wednesday night, when the current weather pattern is forecasted to cease. Over the Sierra: Of course, I will continue to follow this situation on this blog and on Twitter @usweatherexpert. 

Here is the forecast for precipitation the next three days ending at 4pm Saturday.  And, here is the total  for the next seven days. As mentioned yesterday, this weather pattern seems more likely to produce heavy precipitation in the northern two-thirds of the State. Therefore, the Sierra will get clobbered. The European model is forecasting as many as 80 inches of snow. The event has begun in Northern California.  Here's the radar from 4:46pm PST.