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TheWeatherCenter - Day 1 Fire Weather Outlook

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FNUS21 KWNS 240730

Day 1 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
0130 AM CST Thu Jan 24 2019

Valid 241200Z - 251200Z


Large scale troughing/cyclonic flow will prevail across the Lower 48
throughout the day, with surface high pressure and below-freezing
temperatures behind a cold front spilling across much of the CONUS.
Ahead of the front, a relatively weak surface low, located across
west-central Texas, will move southward through the afternoon hours.
An inverted surface trough will also persist off the California
Coast, promoting the development of a formidable pressure gradient
across southern California, where offshore surface flow is expected.

...West Texas...
As the aforementioned surface low moves towards the U.S/Mexico
border during the afternoon hours, sustained westerly surface winds
of 15+ mph, 20% RH, and 50-55 F temperatures will overlap along/just
west of the Edwards Plateau, ahead of the cold front. Here, fuels
are at least marginally receptive to fire spread. Nonetheless, given
the limited time period for a marginally favorable wind/RH across
this area, an elevated delineation was withheld, though at least
locally elevated conditions may be expected.

...Southern California...
As the aforementioned pressure gradient intensifies across the area
during the afternoon, 60+F temperatures, northeasterly 20 mph
surface winds, and RH as low as 20% may be expected, with slightly
lower RH/stronger surface winds in terrain favoring areas via
channeled flow anywhere along the San Gabriel to Laguna mountain
ranges. As fuels remain mostly unfavorable for formidable fire
spread, no delineations were made at this time.

..Squitieri.. 01/24/2019

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