Westbound 580, four cars are involved with traffic blocked. We have Clear Conditions from hayward to foster city. Not too many cars. Maybe folkers taking an early start to thanksgiving day holiday. If you are flying east for thanksgiving pack your patience and good luck on this day. A wicked winter storm is threatening to force thousands of Flight Cancellations or delays. The calm before the storm. The weather is just fine at sfo but if you are traveling to the east coast or from the east coast here you could experience delays. The weather is threat being to complicate plans for thanksgiving for people trying to get to or from new york, new jersey, philadelphia, boston, and other places along the east coast starting today. Windy conditions could cause several hour delays. The f. A. A. Is reporting philadelphia and la guardia are seeing two hour delays. All is clear here. Check out the shot of the board every arrival and departure says on time but that could change as the only goes alon