980
FNUS21 KWNS 160701
FWDDY1
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0200 AM CDT TUE JUN 16 2026
VALID 161200Z - 171200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF EASTERN WASHINGTON AND
EXTREME NORTH-CENTRAL OREGON...
..SYNOPSIS
EMBEDDED WITHIN A BELT OF ENHANCED MIDLEVEL NORTHWESTERLY FLOW
EXTENDING FROM THE NORTHWEST INTO THE GREAT PLAINS, A 70-KT MIDLEVEL
JET STREAK WILL OVERSPREAD THE NORTHERN INTERMOUNTAIN WEST AND
NORTHERN ROCKIES DURING THE DAY -- ALONG THE NORTHEASTERN PERIPHERY
OF A LARGE-SCALE RIDGE CENTERED OVER THE SOUTHWEST.
..COLUMBIA BASIN
STRONG DEEP-LAYER WEST-NORTHWESTERLY FLOW BENEATH THE CORE OF THE
MIDLEVEL JET STREAK WILL CROSS THE NORTHERN CASCADES DURING PEAK
HEATING, RESULTING IN STRONG DOWNSLOPE FLOW INTO THE COLUMBIA BASIN.
HERE, 20-25 MPH SUSTAINED WESTERLY SURFACE WINDS (WITH GUSTS UPWARDS
OF 30-40 MPH) WILL OVERLAP 15-25 PERCENT RH, WITH THE STRONGEST
WINDS EXPECTED THROUGH THE CASCADE GAPS. THESE DRY/WINDY CONDITIONS
ATOP INCREASINGLY DRY/RECEPTIVE FUELS WILL LEAD TO CRITICAL
FIRE-WEATHER CONDITIONS.
..NORTHERN GREAT BASIN
STRONG DEEP-LAYER FLOW ACCOMPANYING THE JET STREAK WILL ALSO EXTEND
INTO THE NORTHERN GREAT BASIN, WHERE DRY/WINDY CONDITIONS WILL
SUPPORT ELEVATED TO LOCALLY CRITICAL FIRE-WEATHER CONDITIONS. THE
BEST POTENTIAL FOR LOCALLY CRITICAL CONDITIONS IS EXPECTED THROUGH
PARTS OF THE SNAKE RIVER PLAIN, WHERE A CORRIDOR OF 20 MPH SUSTAINED
WESTERLY SURFACE WINDS WILL DEVELOP AMID 15 PERCENT RH. HOWEVER,
THESE CONDITIONS APPEAR TOO LOCALIZED FOR A SEPARATE CRITICAL AREA
AT THIS TIME.
..EASTERN GREAT BASIN INTO THE ROCKIES/ADJACENT PLAINS
WHILE THE BELT OF STRONGER MIDLEVEL NORTHWESTERLY FLOW WILL BE
DISPLACED TO THE NORTH OF THIS REGION, AT LEAST MODERATE DEEP-LAYER
FLOW WILL OVERSPREAD A DEEPLY MIXED BOUNDARY LAYER, CHARACTERIZED BY
TEMPERATURES IN THE 90S AND SINGLE-DIGIT TO LOWER TEENS RH. THESE
HOT/DRY CONDITIONS COUPLED WITH A BROAD AREA OF 15-20 MPH
WEST-NORTHWESTERLY SURFACE WINDS (HIGHER OVER TERRAIN-FAVORED AREAS)
WILL YIELD AN EXPANSIVE AREA OF ELEVATED TO LOCALLY CRITICAL
FIRE-WEATHER CONDITIONS DURING THE AFTERNOON.
..WEINMAN.. 06/16/2026
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
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