250
FNUS21 KWNS 101631
FWDDY1

Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Thu Apr 10 2025

Valid 101700Z - 111200Z

...Morning Update...
The prior outlook remains valid with only minor modifications. The
Elevated area was expanded across parts of central SD where
post-frontal gusty winds of 15-20 mph and low RH are expected for a
few hours this afternoon. Areas across western SD have received
around 0.25-0.5 inches of rainfall over the last 24 hours, and have
been trimmed from the risk area. Otherwise the outlook was
unchanged, see the previous discussion.

..Lyons.. 04/10/2025

.PREV DISCUSSION... /ISSUED 1149 PM CDT Wed Apr 09 2025/

...Synopsis...
A mid-level trough will amplify across the eastern CONUS as upper
ridging persists across the Interior West, supporting surface high
pressure and deep-layer northwesterly flow to overspread the central
Plains today. Given the presence of a dry boundary layer, efficient
downward momentum transport of the stronger flow aloft is expected
by afternoon peak heating given boundary-layer mixing. Widespread
15-20 mph northwesterly surface winds (perhaps reaching 25 mph
locally) will coincide with 20 percent RH for several hours across
parts of the central Plains, warranting the continuation of Elevated
highlights given at least modestly dry fuels.

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

$$