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U.S. & Canada 00-UTC 48 Hour Surface Smoke Forecast
Map is in operation from early April through October 31
U.S. Day 1 Fire Weather Outlook
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 101638
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1038 AM CST Wed Dec 10 2025
Valid 101700Z - 111200Z
...NO CRITICAL AREAS...
The forecast remains on track, and please see the previous
discussion for more details.
..Nauslar.. 12/10/2025
.PREV DISCUSSION... /ISSUED 1151 PM CST Tue Dec 09 2025/
...Synopsis...
Fire-weather concerns are expected to remain low today across the
CONUS. The pattern will be defined by a longwave trough across the
east and a high amplitude ridge across the west. Between these two
features, generally northerly flow will over spread the Plains amid
surface high pressure. Some areas of dry/breezy conditions will be
possible across western and north-central Texas where daytime highs
are expected to be warm. Fire-weather concerns will be limited by
lack of receptive fuels for large wild-fire spread.
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U.S. Day 2 Fire Weather Outlook
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 100552
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1152 PM CST Tue Dec 09 2025
Valid 111200Z - 121200Z
...NO CRITICAL AREAS...
...Synopsis...
Fire weather concerns are expected to remain low on D2/Thursday. The
pattern will continue to favor high amplitude ridging in the west
and troughing in the east. Westerly flow across the northern Rockies
and surface troughing across the Plains will allow for some overlap
of downslope flow with dry conditions across the central and
southern High Plains. Fuels across these regions are not receptive
to large fire spread, which will help mitigate any fire weather
concerns.
..Thornton.. 12/10/2025
U.S. Day 3-8 Fire Weather Outlook
ZCZC SPCFWDD38 ALL
FNUS28 KWNS 092154
Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0354 PM CST Tue Dec 09 2025
Valid 111200Z - 171200Z
Upper-level ridging is likely to continue over the West with mostly
upper-level troughing over the Great Lakes, Northeast, and into the
Southeast through the weekend. Weak upper lows may traverse through
the ridge across the southern half of the West late this weekend
into early next week. Much of the Southwest, southern/central
Plains, and west/north Texas are likely to receive little to no
precipitation during the forecast period.
While downslope flow with lee troughing will enhance at times during
the forecast period, including on Day 3/Thursday and over the
weekend, on portions of the southern/central High Plains. However,
probabilities of elevated/critical winds/RH overlapping areas with
receptive fuels remain too low to include probabilities.
Portions of the Southeast will receive little to no rainfall during
the forecast period. Additionally, multiple dry cold frontal
passages with dry airmasses filtering in behind are expected for the
Southeast over the next week. However, recent rainfall and weak
winds will mitigate fire weather concerns.
..Nauslar.. 12/09/2025
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