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Day 2 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
0245 PM CDT Mon Apr 18 2022

Valid 191200Z - 201200Z

...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF THE SOUTHWEST INTO THE
SOUTHERN HIGH PLAINS...
...CRITICAL FIRE WEATHER AREA FOR EASTERN WYOMING INTO FAR WESTERN
NEBRASKA...

Fire weather highlights have been expanded across the Southwest into
the High Plains for this outlook. Specifically, Critical highlights
have been added to portions of eastern Wyoming into far western
Nebraska and extreme southwestern South Dakota. Guidance consensus
has trended drier and winder in the central High Plains, where
meaningful precipitation accumulations have been largely absent in
the past week. As such, grass-based fuels should be at least
modestly receptive to wildfire-spread given the forecast 20+ mph
sustained westerly surface winds overlapping 15 percent RH
tomorrow/Tuesday afternoon.

Guidance has also trended drier and winder across portions of
southern New Mexico into northern Arizona and far southern Nevada,
where Critical highlights have been expanded. Overall, 20-30 mph
sustained westerly winds coinciding with 15 percent RH are still
forecast to overspread modestly to highly receptive fuel beds
(especially in low-terrain areas) across the Southwest. Finally, dry
and occasionally breezy conditions are still anticipated tomorrow
afternoon across the west-central Florida Peninsula. However, the
lack of a stronger surface wind field on a widespread basis
precludes fire weather highlights this outlook.

..Squitieri.. 04/18/2022

.PREV DISCUSSION... /ISSUED 0202 AM CDT Mon Apr 18 2022/

...Synopsis...
Enhanced midlevel westerly flow will impinge on the central and
southern Rockies on Tuesday, resulting in a deepening lee trough
over the High Plains. 

...Southwest into the south-central Rockies and High Plains...
Downslope warming/drying co*bined with diurnal heating will result
in widespread 10-15 percent RH across the Southwest into the
south-central Rockies and High Plains. Here, a tight surface
pressure gradient along the southern periphery of the lee troughing
will favor widespread 20-30 mph sustained westerly surface winds.
These conditions, co*bined with increasingly dry fuels, will support
enhanced fire-weather conditions. While critical meteorological
conditions will be possible into Arizona, fuels are generally not as
receptive to wildfire spread. 

...Southern Florida...
Diurnal heating of a dry post-frontal airmass could result in
minimum RH of 20-30 percent over inland areas. However, recent
rainfall and generally light surface winds should mitigate the
fire-weather threat.

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