SPC Day 2 Fire Weather Outlook
[html]SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0213 AM CST Tue Nov 05 2024
Valid 061200Z - 071200Z
...EXTREMELY CRITICAL FIRE WEATHER AREA FOR PORTIONS OF NORTHERN LOS
ANGELES AND SOUTHERN VENTURA COUNTIES...
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF SOUTHERN CALIFORNIA...
...Synopsis...
A mid/upper-level ridge will amplify over the eastern Pacific and CA
coast, as a belt of strong midlevel northerly flow extends from the
Northwest to southern CA. This large-scale pattern will reinforce a
strong surface anticyclone over the Intermountain West, leading to a
robust offshore pressure gradient across southern CA.
...Southern California...
The offshore pressure gradient will be peaking from the morning into
the afternoon/evening time frame, with most guidance depicting a
LAX-TPH pressure gradient less than -13 mb and LAX-DAG gradient less
than -6 mb -- both indicating a strong Santa Ana event across
southern CA. This pressure gradient, co*bined with the strong
deep-layer northerly flow directed toward the coast, will promote
30+ mph sustained northeasterly surface winds across the typical
wind-prone Santa Ana corridors. Over the wind-prone mountains and
valleys of southern Ventura and northern/northwestern Los Angeles
Counties, gusts of 60+ mph will co*bine with RH decreasing into the
lower teens/single digits for several hours -- leading to extremely
critical fire-weather conditions atop receptive fuels.
...Northern/Central California...
The tightening pressure gradient and strong deep-layer northerly
flow will yield another day of breezy/gusty northerly surface winds
amid low RH across the western Sacramento Valley into the Coastal
Range. Given modestly receptive fuels, elevated to locally critical
fire-weather conditions are expected.
..Weinman.. 11/05/2024
...Please see www.spc.noaa.gov/fire for graphic product...
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Source: SPC Day 2 Fire Weather Outlook (http://ht**://www.spc.noaa.gov/products/fire_wx/fwdy2.html)