574
FNUS21 KWNS 290650
FWDDY1
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0150 AM CDT SUN MAR 29 2026
VALID 291200Z - 301200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF SOUTHEASTERN
WYOMING...
..SYNOPSIS
BROAD UPPER RIDGING WILL OVERSPREAD THE CONUS TODAY, WITH AN
EMBEDDED MID-LEVEL IMPULSE POISED TO TRAVERSE THE INTERIOR WEST
THROUGH THE DAY 1 PERIOD. SURFACE TROUGHING WILL BECOME ESTABLISHED
ACROSS PORTIONS OF THE HIGH PLAINS, RESULTING IN DRY WESTERLY
SURFACE FLOW. BY AFTERNOON PEAK HEATING, RH MAY DROP TO OR BELOW 15
PERCENT FROM THE EASTERN GREAT BASIN INTO THE CENTRAL/SOUTHERN
ROCKIES AND HIGH PLAINS REGIONS. 15+ MPH SUSTAINED SOUTHWESTERLY
SURFACE WINDS MAY DEVELOP ACROSS THE INTERIOR WEST, WITH WESTERLY
WINDS EXPECTED OVER WYOMING, AND WEST-NORTHWESTERLY SURFACE FLOW
LIKELY OVER THE HIGH PLAINS, WARRANTING WIDESPREAD ELEVATED
HIGHLIGHTS GIVEN DRY FUELS. PORTIONS OF EASTERN WYOMING MAY
EXPERIENCE PERIODS OF SUSTAINED WESTERLY SURFACE WINDS EXCEEDING 20
MPH AMID 10-15 PERCENT RH, WITH CRITICAL HIGHLIGHTS MAINTAINED.
FARTHER TO THE SOUTHWEST ACROSS SOUTHERN ARIZONA, THE APPROACH OF A
SUBTLE MID-LEVEL IMPULSE FROM MEXICO, AMID SCANT BUOYANCY, MAY
SUPPORT ISOLATED THUNDERSTORM DEVELOPMENT BY AFTERNOON. GIVEN THE
PRESENCE OF A DEEP, DRY BOUNDARY LAYER EXTENDING TO NEARLY 500 MB,
MOST OF THE RAIN FROM STORMS SHOULD EVAPORATE BEFORE REACHING THE
SURFACE, WITH LIGHTNING POTENTIALLY OCCURRING WITHIN DRY FUEL BEDS.
ISOLATED DRY THUNDERSTORM HIGHLIGHTS HAVE BEEN MAINTAINED FOR THIS
SCENARIO.
ACROSS PORTIONS OF THE CENTRAL APPALACHIANS, 10-15 MPH SUSTAINED
SOUTHERLY WINDS, AMID A PLUME OF LOW-LEVEL DRY AIR (YIELDING RH
POTENTIALLY BELOW 25 PERCENT IN SPOTS), WILL SUPPORT APPRECIABLE
WILDFIRE-SPREAD POTENTIAL GIVEN DRY FUELS. ELEVATED HIGHLIGHTS
REMAIN IN PLACE FOR THESE CONDITIONS AS WELL.
..SQUITIERI.. 03/29/2026
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
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