Fire Weather Outlook Discussion
Issued by NWS
FNUS22 KWNS 291809
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0109 PM CDT Sat Apr 29 2017
Valid 301200Z - 011200Z
Only minor change to the outlook was to expand the elevated area
northwest into portions of southeastern Arizona. Here, breezy
conditions (approaching 20 mph in a few areas) will combine with
single digit RH values and dry fuels to present a risk of fire
The remainder of the forecast is on track. Elevated to locally
critical fire weather conditions are expected along the Rio Grande
River Valley, where wind speeds may briefly exceed 20 mph
(especially in higher elevations of the Transpecos).
For additional information, please see the previous forecast below.
.PREV DISCUSSION... /ISSUED 0214 AM CDT Sat Apr 29 2017/
A deep mid-level cyclone is forecast to track east-northeastward
across portions of the central and south-central United States, with
a band of strong mid-level flow over the southern and eastern
semicircles of the cyclone. Dry conditions originating from the
southwest States and northwest Mexico will overspread portions of
south Texas in the wake of a cold front moving across parts of the
Gulf and southeast States.
...Portions of southern NM into south TX...
West-northwesterly to northerly winds of 15-20 mph are forecast to
combine with minimum RH around 8-15 percent. This will occur as the
boundary layer diurnally deepens into the enhanced flow aloft, amid
a dry air mass and dry fuels. Stronger deep-layer flow is expected
to be displaced well to the north and northeast of the driest
surface conditions. As a result, the lack of stronger winds amid low
RH is expected to mitigate the critical fire-weather risk.
...Please see www.spc.noaa.gov/fire for graphic product...