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Smoke Call Status: |
Weekdays (M-F) @ 1300 hrs PST (except holidays) |
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Issued: |
12:30 PM
Friday, December 20, 2024 |
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Discussion -
Saturday & Sunday |
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Unsettled
weather pattern due to 2 Pacific frontal passages will occur during the
weekend. Transport winds will be steady to strong and generally be S-SW with
some westerly influence behind the frontal passages. Mixing heights should be
unusually high during the afternoons and overnights. A clean-out period will
result from the heightened ventilation rates. Widespread precipitation will
also occur. |
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(mph) |
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(ft AGL) |
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Saturday Afternoon |
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Saturday Afternoon |
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Saturday Night |
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Saturday Night |
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Click on images to enlarge |
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Sunday Afternoon |
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Sunday Afternoon |
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Extended Outlook: |
Monday -
Wednesday |
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The
unsettled weather pattern will continue Mon & Tue with some brief stable
Ridging likely on Wed. Mixing heights will remain unusually high for the time
of year. Transport winds will be dominated by a W-SW-S flow Mon & Tue
then become a bit more variable/lighter on Wed. An extension of the weekend
clean-out period will occur early next week due to heightened ventilation
rates. Ventilation rates should noticeably lower on Wed with a stronger
nighttime inversion. Widespread precipitation will continue Mon &
Tue. |
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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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