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Smoke Call Status: |
Weekdays (M-F) @ 1300 hrs PDT (except holidays) |
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Issued: |
12:30 PM
Wednesday, October 02, 2024 |
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Discussion -
Thursday & Friday |
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One
more day of unseasonably warm and dry conditions on Thursday before a subtle
trend in cooler onshore flow begins to impact the N State on Friday. The current light wind pattern, both
surface and transport winds, will continue as well on Thu but by Friday a
trough approaching from the Oregon Coast will slide eastward and scrape N Ops
resulting in increased W-SW winds to the N and NE counties. A High Risk for large fire has been issued
for NE CA and Fire Weather Watches from the NWS are likely. So although mixing and increased
ventilation will occur on Thu the potential for new fire is elevated for
those areas along with the Sierra and Crest. Given the absense of potential
absense of any large fire, good to fair air quality should continue. |
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(mph) |
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(ft AGL) |
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Thursday Afternoon |
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Thursday Afternoon |
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Thursday Night |
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Thursday Night |
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Click on images to enlarge |
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Friday Afternoon |
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Friday Afternoon |
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Saturday
- Monday |
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Weakening
high pressure aloft and increased SW flow aloft will provide a subtle
enhancement ot onshore flow for most of the N State. Thus a little more marine influence and
decreased stability should maintiain the good air quality for most
areas. The fire threat should also be
reduced as temperatures (although still slightly above normal) will fall
considerably compared to this past few days and RH values should rise as
well. |
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Helpful Resources: |
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Air
Resources Board |
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San
Joaquin Air Quality |
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AirNow Fire
and Smoke Map |
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North Zone
Predictive Services Weather Page |
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South Zone
Predictive Services Weather Page |
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NWS
California Fire Weather Page |
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NWS
Spot Forecast Request |
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This Product was developed by the Predictive Services group,
located at the North Zone Coordination Center in Redding, California |
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