This video shows our first winter-like weather conditions of the season, even though we were still in autumn. It was not a potent storm system but in short, it brought cold winter-like temps to much of California, rain, snow showers, and even ushered the first frost advisories in quite a few areas, especially in the inland valleys, east of the Bay Area and such.
Despite having 80-degree weather earlier in the week (November 5-6), a significant change in the weather for the region began on Wednesday. Temperatures cooled up to 30 degrees as a cold upper low moves into northern California from the Gulf of Alaska. The cooling trend continued into Friday and showers on Thursday and Friday.. A cold upper level low, which originated in the Gulf of Alaska, moved into the area behind the strong ridge of high pressure that brought US the above normal temperatures earlier in the week. Showers are expected to begin in Shasta County on the Coast Range early Thursday morning and spread into the Central Valley by afternoon. Precipitation amounts in the valleys are generally was around a tenth of an inch or less with localized areas to around a quarter of an inch of rain.
The video shows photos and some video of this cold upper level low pressure system affect our area, particularly here in San Jose, CA, throughout the days of November 8-10, 2012. Most of the precip from this system occurred early Thursday evening and through the overnight hours into Friday. The center of the system made "landfall" Thursday evening. Instability from the system ushered spotty heavier showers around the area.
By Friday morning, November 9, 2012, the rains have lit up and also cleared up dramatically coming afternoon but breezy northerly winds and cold temps was encountered. The temps struggled to reach over 60 degrees. Our high was only 57 degrees this day! I also added a time lapse of cumulus clouds with the slowly setting sun. It was viewed from The Point Church. A few photos taken as well. Coming late afternoon, around the 4 o'clock hour, I went outside and observed the weather... It was breezy, quite chilly and the sun nearly setting with visible crepuscular rays. There was an isolated thunderstorm cell that had developed just south of us as well.
Then as the sun had set a bit, an isolated, widespread shower had developed right over the city! It was light in precip but covered a good area. You can see the visible precipitation shaft. Also, it was around sunset so it added a special effect...the rain showers/precip shaft have lit up, glowing bright with sunsety colors.
The center of this system now slowly leaves the area around this time but leftover instability in the atmosphere had showers still popping up occasionally around the Bay Area coming Friday early evening. I also added quite a few sunset photos and such.
By Saturday of November 10, 2012, only partly cloudy skies were experienced as this system finally moves east, towards the Rockies this day, which later brought winter conditions to the region, which also brings Winter Storm Brutus into play! What a good taste of winter this early in the season we had!
[Filmed on November 8-10, 2012 in and around San Jose, CA with my Canon Powershot SD1100 IS Digital ELPH camera]
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