148
FNUS73 KDMX 291326
FWSDMX

Spot Forecast for JP - Blazingstar South...Polk County Conservation
National Weather Service Des Moines IA
826 AM CDT Mon Sep 29 2025

Forecast is based on ignition time of 1100 CDT on September 29.
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...

Warm and dry today with a high reaching near 87 this afternoon and
relative humidity falling to around 40%. Wind today will be out of
the south to southwest at 5 to 10 mph.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 87.
Min humidity........43 percent.
Wind (20 ft)........South winds 7 to 9 mph.
Mixing height.......6100 ft AGL.
Transport winds.....South 8 to 12 mph.
Smoke dispersal.....Poor (12200 knot-ft) early in the morning
                    increasing to good (55100 knot-ft) in the
                    afternoon.
GFDI................0.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........13  15  21  22  16  21  22
Weather cov.....
Weather type....
Tstm cov........
Temp............76  81  84  86  87  87  87
RH..............65  58  51  48  45  43  43
20 FT wind dir..S   S   S   SW  SW  SW  S
20 FT wind spd..7   8   9   8   8   8   7
20 FT wind gust.    13  14  13  13  12  12
Mix hgt (kft)...1.5 2.5 3.8 5.4 6.1 6.1 5.9
Transp wind dir.S   S   S   S   SW  S   S
Transp wind spd.9   12  12  10  9   10  8
GFDI............0   0   0   0   0   0   0
Smoke Dispersal.12  25  38  48  49  55  41
Smoke Cat.......PR  PR  PR  FR  FR  FR  FR

$$
Forecaster...Hagenhoff
Requested by...Lael Neal
Type of request...PRESCRIBED
.TAG 2522701.0/DMX
.DELDT 09/29/25
.FormatterVersion 2.0.0
.EMAIL lael.neal@polkcountyiowa.gov