air resources group of uc- berkeley seismologists -- a group of uc-berkeley seismologists is linking winter rain and snow to more activity in the region. >>> the drive to yosemite will be get easier one of the biggest entrances cuyahoga pass road is back open to the public. cyclists and pedestrians can start using it today but cars will have to wait until tomorrow. rangers are asking people to drive slowly through the area. you might remember these pictures of the mounting snowpack near tuolumne meadows. you can see the water pouring out on the road there. this year's record snowfall took a little longer than normal to clear from the road. ♪[ music ] >>> still to come a new way to get your flu vaccine. how this patch could make flu shots a thing of the past. >>> how the pose is giving new perspective on the battle over healthcare. >> from the kpix weather center, good afternoon, everybody. we have our microclimate in full gear at this hour anywhere from stockton up the coast to sunshine inland. we'll talk about that right there the low clouds, the fog and the effect on your holiday,