Halloween storm won't be a treat

Oct 28, 2014 9:25 PM by Kris Kuyper

High pressure over California brought us a warm day in the Valley. A weak disturbance brushed the northwest corner of the state with a few showers, but those won't move inland. Expect more mild weather through Thursday.

Big changes are ahead for us, however... A cold Halloween storm is on the way. Cold low pressure from the north Pacific will swing into northern California early on Halloween, bringing everyone a shot of rain. Models are indicating the rain to end around midday, with even a bit of sunshine possible. With a cold and unstable airmass in place now, that will quickly form a few Valley thunderstorms in the afternoon. Those storms will contain lightning brief heavy rain and small hail. The thunderstorm threat will end shortly after sunset, so things might turn out ok for the little trick-or-treaters.

Snow levels should drop to near 4000' by early Saturday morning... the lowest of the season so far. With a little sunshine, we could fire a few scattered showers and maybe a thunderstorm again Saturday afternoon. The low moves east by Saturday night, and with clearing skies look for our coldest night of the season so far... Valley lows will plunge into the 30's! A cold start to November.

High pressure will slowly return next week, allowing us to warm back up some.


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