Spot Forecast
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
117
FNUS73 KDMX 131748
FWSDMX
Spot Forecast for Saylorville Lake Prairie RX Burn...US Army Corps of Engineers
National Weather Service Des Moines IA
1148 AM CST Thu Nov 13 2025
Forecast is based on ignition time of 1200 CST on November 13.
If conditions become unrepresentative...contact the National Weather
Service.
An initial observation at ignition and a mid burn observation are required.
Please relay them to the National Weather Service for each prescribed burn.
.DISCUSSION...
For the Saylorville Lake Prairie Rx Burn, skies will remain
mostly clear for the rest of today. RH values will range in the
mid 30 percents at ignition and gradually increase into the lower
50 percents early this evening. Winds will remain out of the
south between 10-12kts with gusts 15-18kts.
.REST OF TODAY...
Sky/weather.........Sunny (0-10 percent).
Temperature.........62 at ignition...Max 65.
RH..................35 percent at ignition...Min 35 percent.
Wind (20 ft)........Winds south at 12 mph at ignition...otherwise
South winds 7 to 12 mph.
Mixing height.......1800 ft AGL at ignition...otherwise 2400 ft
AGL.
Transport winds.....South 12 to 21 mph.
Smoke dispersal.....Good /30800 knot-ft/ at ignition. Max...good
/42500 knot-ft/.
GFDI................2.
TIME (CST) 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9 3 2 3 3 2
Weather cov.....
Weather type....
Tstm cov........
Temp............62 64 64 65 63 59
RH..............35 38 41 42 46 53
20 FT wind dir..S S S S S S
20 FT wind spd..12 12 10 10 9 7
20 FT wind gust.14 18 18 17 15 12
Mix hgt (kft)...1.8 2.0 2.4 2.1 0.9 0.6
Transp wind dir.S S S S S S
Transp wind spd.20 20 21 18 14 12
GFDI............2 2 2 2 1 1
Smoke Dispersal.31 34 43 34 11 6
Smoke Cat.......PR PR FR PR PR PR
$$
Forecaster...Dunleavy
Requested by...John Benjamin
Type of request...PRESCRIBED
.TAG 2525851.0/DMX
.DELDT 11/13/25
.FormatterVersion 2.0.0
.EMAIL John.R.Benjamin@usace.army.mil