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FNUS28 KWNS 241937

Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0136 PM CST Tue Nov 24 2020

Valid 261200Z - 021200Z

Fire-weather concerns will remain concentrated across southern
California coastal ranges in the extended forecast period as a
multi-day offshore wind event takes shape.  Although the greatest
signal for the offshore wind event currently exists on D3/Thursday,
latest indications are that some offshore flow potential will exist
through D7/Monday.

...D3/Thu through D7/Mon - Southern California...
Models suggest that the strongest of the offshore pressure gradient
will exist on D3/Thu as a strong (1030 mb) area of high pressure
migrates southward into Nevada and a weak coastal trough remains
nearly stationary across California.  This general pattern will
persist through much of the extended forecast period with only
modest weakening of the high and attendant pressure gradient across
California and the western Great Basin.  This will keep a dry
airmass in place with critically low RH values and poor overnight

At this time, latest guidance suggests critically strong surface
winds will develop across portions of Ventura and Los Angeles
Counties much of D3/Thu.  Northeasterly wind gusts of 50-60 mph are
possible particularly in terrain-favored areas.  Slightly weaker
surface winds are expected in subsequent days, though areas of
critically strong surface winds cannot be completely ruled out.
Much of the area has not experienced appreciable rainfall over the
past two to three weeks, and fuels will favor rapid fire spread
given relatively high ERCs in several areas.

..Cook.. 11/24/2020

...Please see for graphic product...

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