FNUS28 KWNS 202150
Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0349 PM CST Wed Feb 20 2019
Valid 221200Z - 281200Z
An upper-level shortwave trough will move through the Southwest and
Plains and into the Great Lakes on Day 3/Friday - Day 5/Sunday.
Zonal flow will prevail over most of the CONUS beyond Day 5/Sunday
with relatively weak mid-level winds across the southern tier of the
CONUS. Much of the CONUS will receive precipitation and experience
cooler/colder temperatures during the outlook period as well.
...Day 3/Friday - Day 4/Sunday: Southern High Plains into
As the upper-level trough moves through the Southwest and over the
Plains, downslope flow/lee troughing will help generate critical
conditions across portions of Trans-Pecos/Big Bend on Day 3/Friday -
Day 4/Saturday and stretching east/south across the Edwards Plateau
along/near the Rio Grande on Day 4/Saturday. On Day 3/Friday - Day
4/Saturday, southwest winds of 15-25 mph with RH values of 8-20% are
expected across eastern New Mexico/West Texas with winds shifting to
west-northwesterly on Day 4/Saturday within a dry/windy,
post-frontal airmass across West Texas into portions of
Fuels appear receptive to ignition/spread across the delineated
areas on Day 3/Friday - Day 4/Saturday. However, there still remains
some uncertainty regarding the extent of fuel dryness.
...Please see www.spc.noaa.gov/fire for graphic product...