198
FNUS21 KWNS 091650
FWDDY1
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1149 AM CDT TUE SEP 09 2025
VALID 091700Z - 101200Z
..WASHINGTON STATE
SOME RETRACTIONS WERE MADE TO THE SOUTHEASTERN EXTENT OF THE
ISOLATED DRY THUNDERSTORM AREA ACROSS EASTERN WA. THE MINOR CHANGES
WERE BASED ON RECENT RAINFALL AND DISTRIBUTION OF ONGOING CONVECTION
ACROSS THE COLUMBIA BASIN. A MIX OF WET AND DRY THUNDERSTORMS ARE
ANTICIPATED THIS AFTERNOON ACROSS THE WASHINGTON CASCADES AND HIGHER
TERRAIN OF NORTHEASTERN WA. POCKETS OF DRIER, HEAVIER FUELS COULD
STILL BE RECEPTIVE TO NEW IGNITIONS THROUGH TODAY OUTSIDE OF HEAVIER
RAIN CORES.
..WILLIAMS.. 09/09/2025
PREV DISCUSSION
/ISSUED 1254 AM CDT TUE SEP 09 2025/
..SYNOPSIS
AN UPPER-LEVEL TROUGH WILL CONTINUE TO MAKE SLOW EASTWARD PROGRESS
TODAY. STRONGER MID-LEVEL WINDS WILL PUSH INTO THE SOUTHERN AND
EASTERN GREAT BASIN. FARTHER NORTH AND WEST, LIFT FROM THE UPPER LOW
WILL PROMOTE WIDELY SCATTERED TO SCATTERED SHOWERS AND THUNDERSTORMS
IN PARTS OF THE NORTHWEST AND NORTHERN ROCKIES.
..NORTHWEST/NORTHERN ROCKIES
THUNDERSTORMS ARE POSSIBLE PERIODICALLY IN THE NORTHWEST. PORTIONS
OF THE COLUMBIA BASIN MAY SEE STORMS BOTH IN THE MORNING AND
OVERNIGHT TONIGHT. MOST AREAS HAVE HAD RECENT PRECIPITATION AND
FUELS INDICES HAVE BEEN TRENDING TOWARD LOWER FIRE WEATHER CONCERNS.
HOWEVER, THERE ARE POCKETS OF REMAINING DRY FUELS IN THE COLUMBIA
BASIN WHERE THERE WILL BE SOME CONCERN FOR LIGHTNING IGNITIONS.
..SOUTHERN/EASTERN GREAT BASIN
WITH THE STRONGER MID-LEVEL WINDS OVERSPREADING THE REGION, 15-20
MPH WINDS (LOCALLY UP TO 25 MPH) CAN BE EXPECTED IN SOUTHERN/EASTERN
NEVADA INTO WESTERN UTAH. RH COULD LOCALLY DIP AS LOW AS 10-15%, BUT
15-20% WILL BE MORE COMMON. GIVEN THE CURRENT STATE OF FUELS,
ELEVATED CONDITIONS WILL LIKELY BE LOCALIZED IN NATURE.
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
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