402
FNUS21 KWNS 181645
FWDDY1
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1144 AM CDT THU SEP 18 2025
VALID 181700Z - 191200Z
..NO CRITICAL AREAS
..17Z UPDATE
NO CHANGES, VERY ISOLATED THUNDERSTORMS ARE POSSIBLE OVER PORTIONS
OF NORTHERN CA LATE TONIGHT AHEAD OF THE INITIAL MID-LEVEL MOISTURE
SURGE. POORLY OVERLAPPED WITH RECEPTIVE FUELS AND WITH A RAPID
INCREASE IN RH EXPECTED, DRY STRIKES APPEAR UNLIKELY.
..LYONS.. 09/18/2025
PREV DISCUSSION
/ISSUED 0148 AM CDT THU SEP 18 2025/
..SYNOPSIS
A MID-LEVEL TROUGH WILL TRAVERSE THE PLAINS STATES AS A SECOND UPPER
TROUGH MEANDERS ALONG THE CALIFORNIA COASTLINE TODAY. A SURFACE LOW
OVER CALIFORNIA WILL ENCOURAGE AMPLE PRECIPITATION ACCUMULATIONS
OVER SOUTHERN PARTS OF THE STATE, AND A SURFACE HIGH OVER THE
ROCKIES WILL HELP PROMOTE QUIESCENT FIRE WEATHER CONDITIONS OVER THE
INTERIOR WEST. DRY LOW-LEVEL CONDITIONS WILL PERSIST OVER THE OHIO
VALLEY TODAY. HOWEVER, THE LACK OF AN APPRECIABLE SURFACE WIND FIELD
SHOULD LIMIT WILDFIRE-SPREAD POTENTIAL.
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
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