Carquinez Strait and Delta Severe Watches & Warnings NOAA Weather Radio

Special Statement
Statement as of 23. huhtikuuta 2014 klo 14:25 (PDT)

...Colder Pacific storm late Thursday into early Saturday...

* impacts: chain requirements possible with accumulating snow over trans-Sierra mountain passes late Thursday through early Saturday. Thunderstorms possible Friday with heavy rain, small hail, and gusty wind.

* Confidence: high in timing. Medium in precipitation amounts and thunderstorm potential.

* Timing: light precipitation is possible over Shasta County and the coastal mountains Thursday. Precipitation then increases and spreads over all of interior northern California late Thursday into Friday. Best thunderstorm chances are Friday into Friday evening. Decreasing showers Saturday with lingering chances mainly over the mountains through the weekend.

* Snow levels: initially around 6000 to 7000 feet Thursday into Thursday night...lowering to 4500 to 5500 feet Friday then 3500 to 4500 feet by early Saturday.

* Precipitation amounts: generally around half an inch or less in the Central Valley with higher amounts possible in the foothills and mountains and with thunderstorms. Snow amounts from 6 to 12 inches over the higher mountain terrain.