Laramie, WY...Rock Springs, WY...Green River, WY...Rawlins, WY...
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 190710
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0210 AM CDT Wed Sep 19 2018
Valid 201200Z - 211200Z
...CRITICAL FIRE WEATHER AREA FOR SOUTHERN WYOMING...
On D2/Thursday, a mid-level trough will become less amplified and
bring strong quasi-zonal flow across the central and northern
Rockies. At the surface, higher pressure will build into the Great
Basin and surface troughing will be present in the Sacramento
Strong westerly flow will develop during the day across the area.
Elevated to critical fire weather conditions are expected with
surface winds of 15-25 mph and afternoon RH of 5-15%.
...Snake River Valley...
While boundary-layer mixing will be weaker in this area, a strong
enough surface pressure gradient, further enhanced by the terrain,
is expected to produce elevated to perhaps locally critical fire
weather conditions. Winds will generally reach 15-20 mph with
afternoon RH of 10-15%.
...Portion of Sacramento Valley...
Most guidance is in agreement that a surface trough will develop
within the valley. With high pressure pushing in from off the West
Coast, northerly flow should reach 15-20 mph with afternoon RH of
...Please see www.spc.noaa.gov/fire for graphic product...
CLICK FOR DAY 2 FIREWX AREAL OUTLINE PRODUCT (KWNSPFWFD2)