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Topic: SPC Day 3-8 Fire Weather Outlook (Read 8 times) previous topic - next topic

SPC Day 3-8 Fire Weather Outlook

SPC Day 3-8 Fire Weather Outlook

[html]SPC Day 3-8 Fire Weather Outlook
         
Day 3-8 Fire Weather Outlook Image

Day 3-8 Fire Weather Outlook 
NWS Storm Prediction Center Norman OK
0222 PM CST Thu Dec 26 2024

Valid 281200Z - 031200Z

Multiple mid-level troughs will progress across the CONUS into the
middle of next week before an upper ridge begins to build over the
Interior West. Multiple surface lows will develop across the Plains
and track eastward toward the East Coast before High Pressure
overspreads the CONUS by the end of the period. Through the extended
period, cool conditions across the northern U.S., and ample
precipitation accumulations from central California into the
Northwest, as well as the southern/central Plains to the East Coast,
will mitigate significant wildfire-spread concerns.

Dry and breezy conditions are likely into the weekend over the
southern High Plains, before a surface low rapidly deepens over the
central Plains on Day 5/Monday, which will encourage Critically dry
and windy conditions over the southern High Plains. Given preceding
dry days with no appreciable rainfall accumulations, fine fuels may
dry out enough by Monday to support some wildfire-spread potential,
with 40 percent Critical probabilities introduced.

By the middle of next week, surface high pressure will beco*e
well-established over the Great Basin, which may support the
development of a modest pressure gradient over southern California.
Medium-range guidance consensus depicts dry low-level air with some
offshore co*ponent of flow. The strength of the pressure gradient
and associated offshore wind speeds do not appear strong enough to
support Critical probabilities at this time. However, probabilities
may be needed in future outlooks if model guidance trends stronger
with the surface winds. It is also plausible that terrain-influences
may locally augment surface winds and the subsequent need for
Elevated highlights by the Days 1-2 time frame for next
Tuesday-Thursday.

..Squitieri.. 12/26/2024

...Please see www.spc.noaa.gov/fire for graphic product...


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Source: SPC Day 3-8 Fire Weather Outlook (http://ht**://www.spc.noaa.gov/products/exper/fire_wx/)