560
FNUS21 KWNS 020655
FWDDY1

Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0155 AM CDT Tue Sep 02 2025

Valid 021200Z - 031200Z

...Synopsis...
A weak upper-level low will move northward across northern
California into the Pacific Northwest today through D2/Wednesday,
with increases in moisture and forcing leading to thunderstorm
development. Precipitable water values will approach 0.60-0.90",
decreasing with eastward extent across eastern Oregon/western
Nevada. Faster storm motions around 15-20 kts will likely lead to a
mix of wet/dry thunderstorms. New starts will be possible where
little to no precipitation occurs, with ERCs around the 80th-90th
percentile across portions of these regions. An isolated dry
thunderstorm area was maintained with this outlook across portions
of northern California into western Nevada an northward into central
Oregon.

..Thornton.. 09/02/2025

...Please see www.spc.noaa.gov/fire for graphic product...

$$