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Day 1 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
1135 AM CDT Sun Apr 10 2022

Valid 101700Z - 111200Z

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

Minimal changes to the Elevated area in south-central
Nebraska/northwest Kansas. A pocket of very dry air is situated in
southeastern Wyoming and adjacent Colorado. This should advect
eastward today as the surface low shifts northeast. A few hours of
Elevated conditions appear more likely in these areas as a result.
The remainder of the forecast is on track.

..Wendt.. 04/10/2022

.PREV DISCUSSION... /ISSUED 0201 AM CDT Sun Apr 10 2022/

...Synopsis...
A low amplitude shortwave trough across the central Rockies is
forecast to move eastward across the Great Plains and reach the
Upper Midwest late this evening. Two areas of low pressure, with the
latter in the lee of the southern Rockies, will intensify,
supporting strong westerly winds across the Rockies and southern
High Plains. Dry surface conditions and the strong winds beneath the
trough will support Critical fire weather conditions across the
central and southern High Plains. 

...Central and southern High Plains...
As the mid-level trough ejects eastward out of the central Rockies
this morning strong mid-level flow will overspread the central and
southern High Plains. A sub 1000 mb lee low will shift southeastward
across CO and into the OK/TX Panhandles. Strong west to east
pressure gradients bolstered by the mid-level flow at the base of
the trough will support robust downslope winds of 25-30 mph across
much of the Plains. Locally strong winds are expected beneath the
trough and behind a cold front moving south from the central Rockies
into the High Plains where a late season downslope winds storm is
expected to develop. 

Warm temperatures and adiabatic downslope flow will support an
extremely dry airmass with widespread RH values below 10%. Hi-res
guidance suggests that locally stronger flow in the immediate lee of
the southern Rockies and beneath a pronounced thermal ridge may also
allow for local RH values to fall below 5% in spots. The co*bination
of strong surface winds and extremely dry conditions will support
widespread Critical fire weather conditions from eastern NM, along
the front range of CO, into western portions of TX and OK. Volatile
fuels remain in place with ERC values in the 90th+ percentile for
nearly all of the southern/central High Plains. With preceding days
showing above normal fire activity, widespread Critical fire weather
conditions are expected. 

...South Florida...
A dry post frontal airmass is expected to remain in place this
afternoon across the southern Florida Peninsula where fuels remain
quite dry. Beneath surface high pressure winds are forecast to
remain relatively light but occasional gusts of 10+ mph may support
a few hours of near Elevated fire conditions given dry surface
conditions and available fuels.

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