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Day 1 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
1143 AM CDT Thu Apr 28 2022

Valid 281700Z - 291200Z

...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF THE SOUTHWEST AND THE
SOUTHERN HIGH PLAINS...

Expanded the critical area westward into southern Nevada based on
12Z guidance. Additionally, fuels are starting to dry out across
southern Utah and Colorado. Therefore, since critical meteorological
conditions are expected across this region, the elevated delineation
was expanded northward to cover this region, even with borderline
dry fuels. 

Otherwise, only minor modifications were made in other areas.

..Bentley.. 04/28/2022

.PREV DISCUSSION... /ISSUED 0211 AM CDT Thu Apr 28 2022/

...Synopsis...
A midlevel trough acco*panied by enhanced west-southwesterly flow
aloft will overspread the Intermountain West and impinge on the
central and southern Rockies. Meanwhile, a lee surface low will
deepen over eastern CO, with a dryline extending southward over the
southern High Plains. Farther east, strong northwesterly flow on the
backside of an occluded mid/upper-level low will persist over the
Northeast and Mid-Atlantic states, where a dry post-frontal airmass
will remain in place.

...Southwest into the Southern High Plains...
As the enhanced west-southwesterly flow overspreads a dry antecedent
airmass across the Southwest and southern High Plains, diurnal
heating/mixing will result in widespread 5-15 percent RH behind the
dryline. Sustained west-southwesterly surface winds near 20-25 mph
will develop amid the critically low RH during the afternoon. The
best overlap of the strong surface winds and dry boundary-layer
conditions is expected across portions of east-central AZ, NM, and
far west TX -- where Critical highlights have been maintained.

...Northeast and Mid-Atlantic...
Breezy northwesterly surface winds near 15 mph are expected amid
20-25 percent RH by peak heating. With continued drying of fine
fuels across the region, elevated fire-weather conditions can be
expected over parts of eastern PA, NJ, and far southeastern NY.

...Please see www.spc.noaa.gov/fire for graphic product...