Fire Weather Outlook Discussion
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FNUS21 KWNS 261627

Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1126 AM CDT Fri May 26 2017

Valid 261700Z - 271200Z


Based on observational trends and latest short-term model guidance,
no changes have been made to the ongoing critical designation across
parts of the Southwest and southern High Plains. Some expansions
have been made to the surrounding elevated area for parts of western
and southern CO, where sustained winds up to 20 mph should occur
with RH values of 10-20% this afternoon. See the previous discussion
below for more information.

..Gleason.. 05/26/2017

.PREV DISCUSSION... /ISSUED 0225 AM CDT Fri May 26 2017/

An upper trough across the West is expected to shift slowly eastward
through the period, as a series of embedded shortwave features move
through the large-scale trough. In the wake of the trough, an upper
ridge will begin to build into the Pacific Coast region. At the
surface, cyclogenesis is expected across portions of the southern
High Plains during the afternoon. To the south of the surface low, a
dryline is expected to push eastward into portions of West Texas and
the Texas Panhandle.

...Portions of the Southwest into the Southern High Plains...
Another dry and windy day is expected across portions of the
Southwest into the southern High Plains as strong southwesterly flow
persists ahead of the advancing upper trough. Critical conditions
are expected from portions of eastern AZ into much of NM and far
west TX, where sustained surface winds of 20-30 mph are expected as
RH values drop into the 5-15% range. A broad area of elevated
conditions will surround the critical area, with the eastward extent
of elevated conditions being determined by the progress of the
dryline into portions of West TX and the TX Panhandle this

...Please see for graphic product...

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