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NWS Sacramento Sep 17
What a difference a month can make! Skies across northern California are now mostly clear of wildfire smoke compared to early August when smoke from multiple active wildfires covered NorCal.
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Daniel Swain Sep 17
Fascinating new research on understanding diversity of using tropical convective threshold. Striking findings regarding longitudinal dependence of SST for California precip impacts, plus large increase in extremes in warming :
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Rob Mayeda 2h
Fire weather watch for the North Bay hills later Wednesday into Thursday. Note the wind speeds picking up pre-dawn Thurs and those low/lowering RH% levels in Lake and Napa counties before and after sunrise Thursday
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NWS Sacramento 2h
The weather will continue to be quiet but we will see a warmer second half of the week with temperatures returning to near average.
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NWS Los Angeles 3m
activity in Simi Valley today. Warm, dry with gusty winds contributed to elevated fire danger today.
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NWS Sacramento 9h
Warmer temperatures and locally gusty winds will return to Wednesday and Thursday. It's always wise to practice these wildfire safety tips!
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Rob Elvington 4h
Thursday is the 4-year anniversary of the glacial outburst on Mt Shasta that resulted in a mud/debris flow. Of course that came at the height of the 2011-2015 drought. However we did see a dryish winter followed by another very hot summer.
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Dann Cianca 3h
Low clouds have been persistent today, especially on the south side of the bay. A deeper marine layer has meant cooler temperatures across the board. How does it feel in your neighborhood? Temps will be swinging back upward in the coming days.
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Daniel Swain 5h
New on Weather West: early-summer heat fades, but CA fire season not over yet. Plus: some deeper thoughts on links between & California precipitation, with discussion of some recent research on non-linearity & teleconnections.
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Rob Mayeda 8h
A June-tember look to the satellite view this morning. Today should be the last of the mild days this week as more Summer-like temps return for Wed-Fri
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Brianna Ruffalo 8h
Below average again today! We're normally at about 90 degrees this time of year...but those 90's are returning this week. Who's ready for the warm up and who's ready for fall?
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John Lindsey 5h
A few of the long-range models are indicating a chance of rain starting on October 3 and continuing into following week. This be could be good news. ‘Oracle of Atascadero’ reminds us of the "2-inches-of-rain-in-October rule.” We could be in for a wet year.
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Rosemary Orozco Sep 16
Happy Sunday Fun-Day!
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Rob Elvington 20m
Surface winds are still south up the valley but winds aloft are shifting to northerly. smoke is now being pushed to the southeast.
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NWS Sacramento 4h
Locally gusty north winds are expected Wednesday night through Thursday over portions of , mainly over the northern Valley & Coastal Range.
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Rob Mayeda 5h
Three elements for overnight to early AM fire danger: land breeze (northerly wind), lowering humidity and warm temps ... all at work for the higher hills esp North Bay into Thurs AM
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the dude Sep 12
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Brianna Ruffalo 12h
Good Tuesday morning! Beautiful sunrise and clear skies from our Central Valley Toyota China Peak skycam...80's return today!
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Alameda, CA AQI 7h
Prelim AQI at 12:00 (94501): PM2.5=62 (Moderate) O₃=24 (Good)
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Weather Big Bear, CA 21m
Sunny. 68f (20c) Humidity:10% Pressure:78 Visibility:16mi High:76 Low:38 Sunrise:6:33 Sunset:6:49
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