NWS Bay Area

NWS Bay Area


Official Twitter account for the National Weather Service San Francisco Bay Area. Details: http://t.co/mRyGMe9zKB

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Dense fog impacting much of the San Francisco Bay Area this morning. A webcam on top of Mt. Tamalpais from @PGE4Me  shows this fog bank over the San Francisco Bay. @KarlTheFog  #BayAreaWX  #CAwx 

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0.03" of rain has fallen in Downtown San Francisco since the start of the Water Year on Oct 1. Normally through Nov 14, we'd expect to see 2.39" of rain. With records dating back to 1849, this has thus far been the 8th driest start to the water year. #CAwx  #climate 

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Over the next 7 days, much of the #BayArea  can expect dry conditions to prevail. Best chance of precipitation in the Golden State will be in parts of #SoCal  and the #Sierra  middle next week. #CAwx 

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How did the past dry starts to the water year (WY) add up by the year end? Generally, drier than normal. However, recall last WY 2018-19 started out dry, & ended up wetter than normal thanks to ARs in Jan-Mar. Bottom line: it's too early to say how this year will end up. #CAwx 

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Heads up: there is a chance of elevated fire weather concerns mid next week due to possible gusty N to NE winds in the hills and critically dry fuels. This is still fairly far out in time. We will continue to monitor this system in the coming days and provide updates. #CAwx 

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For all the astronomy enthusiasts out there: the Leonid Meteor Shower will peak overnight Sunday and into Monday morning. Although moonlight may obscure views of the meteors, skies should remain mostly clear. #CAwx 

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A Dense Fog Advisory has been issued through 9 AM this morning. Areas of dense fog have developed with visibility 1/4 a mile or less. If driving, slow down, use your low beams, and leave plenty of distance ahead of you. #CAwx 

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ALL-TIME RECORD high temperature broken in San Francisco. 104 degrees as of 2:43 pm PDT. #CAwx  #CAheat  #heatwave 

2:27 am | GOES-17 satellite Fire Temperature imagery of the #KincadeFire . Timelapse begins at 9:21 pm and continues through 2:16 am. #CAwx  #CAFire 

Time lapse of the #KincadeFire  Very active fire behavior fueled by strong and gusty winds. Notice the cam is shaking too. View is from Mt St Helena #cawx  #cafire 

A "Fire Rainbow" 🔥🌈 was captured over yesterday. The more scientific name is a circumhorizontal arc. For more details 📸 M. Jimenez #cawx  #atmoshpericoptics 

There was a 2.5 quake near Pleasant Hill at 10:23 pm that preceded the 4.5 quake.

Latest Evacuation map. Mandatory evacuations have been expanded and now include much of western and northern Santa Rosa. For most up-to-date map: #CAwx  #CAFire  #KincadeFire 

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