Fire Weather Outlook Discussion
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FNUS21 KWNS 171553

Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0952 AM CST Wed Jan 17 2018

Valid 171700Z - 181200Z


No changes have been made to the ongoing forecast. See the previous
discussion below for more information.

..Gleason.. 01/17/2018

.PREV DISCUSSION... /ISSUED 0131 AM CST Wed Jan 17 2018/

A highly amplified deep-layer trough will move eastward and exit the
eastern half of the CONUS today, leaving mostly weak mid-level
northwesterly flow in its wake. Meanwhile, strong mid- to
upper-level southwesterly flow will enter the Pacific Northwest in
advance of a trough located just offshore, helping to develop a
ridge over the northern Rockies. At the surface, a cold front will
move through the Eastern Seaboard, bringing sustained northwesterly
winds of 10-15 mph to portions of FL. Although RH values should
remain near or just above 30% in most areas of the state, some
locally elevated fire-weather potential may arise, particularly
where fuels are dry.

To the west, high pressure will build into the upper Great Basin
region, resulting in the concurrent development of a surface
pressure gradient and offshore winds of 10-20 mph into portions of
southern CA late Wednesday night and early Thursday morning.
However, fuels in this region remain unsupportive of large-fire
potential, therefore no highlighted areas have been introduced.

...Please see for graphic product...

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