502
FNUS21 KWNS 271643
FWDDY1
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1142 AM CDT SUN SEP 27 2026
VALID 271700Z - 281200Z
..CENTRAL AND NORTHEASTERN NEVADA
EXISTING ELEVATED HIGHLIGHTS ACROSS PORTIONS OF NV WERE SHIFTED
SLIGHTLY TO THE NORTHWEST AND NORTHEAST. INCREASING MID-LEVEL
SOUTH-SOUTHWESTERLY FLOW WILL OVERSPREAD THE GREAT BASIN THIS
AFTERNOON AS AN AMPLIFYING UPPER TROUGH ENTERS THE NORTHERN CA
COAST. OBSERVED WIND GUSTS ALREADY NEAR 30 MPH FROM THE
SOUTH-SOUTHWEST HAVE OCCURRED IN HIGHER ELEVATIONS ACROSS CENTRAL
AND EASTERN NEVADA THIS MORNING. DAYTIME BOUNDARY LAYER
HEATING/MIXING SHOULD MANIFEST IN ACCELERATING SOUTH-SOUTHWEST WINDS
ACROSS CENTRAL/NORTHEASTERN NV TO BETWEEN 15-20 MPH BY THIS
AFTERNOON. CURRENT RELATIVE HUMIDITY IN CENTRAL NV VALLEYS ALREADY
IN THE 20-25% RANGE WILL FALL CLOSE TO 10% IN SOME LOCATIONS BY PEAK
HEATING. THESE DRY AND BREEZY CONDITIONS WILL LEAD TO AN ELEVATED
FIRE WEATHER THREAT ACROSS CENTRAL AND NORTHEASTERN NV THIS
AFTERNOON WHERE RECEPTIVE FUELS EXIST.
..WILLIAMS.. 09/27/2026
PREV DISCUSSION
/ISSUED 0142 AM CDT SUN SEP 27 2026/
..SYNOPSIS
AN AMPLIFYING WESTERN CONUS TROUGH WILL SUPPORT STRENGTHENING
DEEP-LAYER SOUTH-SOUTHWESTERLY FLOW ACROSS PORTIONS OF THE GREAT
BASIN TODAY. AFTERNOON BOUNDARY-LAYER MIXING WILL YIELD SUSTAINED
SOUTH-SOUTHWESTERLY SURFACE WINDS OF 15-20 MPH (WITH HIGHER GUSTS)
AMID 10-15 PERCENT RH. THESE DRY/BREEZY CONDITIONS, COMBINED WITH
SUFFICIENTLY RECEPTIVE FUELS, WILL LEAD TO ELEVATED FIRE-WEATHER
CONDITIONS ACROSS PORTIONS OF CENTRAL/EASTERN NV.
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
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