385
FNUS73 KDMX 031430
FWSDMX

Spot Forecast for Porters Moon Tower...Worth County Conservation
National Weather Service Des Moines IA
830 AM CST Mon Mar 3 2025

Forecast is based on ignition time of 0900 CST on March 03.
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...

Winds out of the south will continue to increase through the
afternoon today becoming sustained between around 15 and 20 mph
with gusts to around 25 mph. Minimum relative humidity values stay
higher today and in the low 50% range. High temperatures today in
the upper 50s.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    partly sunny (55-65 percent).
Max temperature.....Around 58.
Min humidity........53 percent.
Wind (20 ft)........South winds 12 to 16 mph.
Mixing height.......2700 ft AGL.
Transport winds.....South 18 to 26 mph.
Smoke dispersal.....Poor (9200 knot-ft) early in the morning
                    increasing to excellent (62200 knot-ft) in the
                    afternoon.
Smoke dispersal.....Poor (9200 knot-ft) early in the morning
                    increasing to excellent (62200 knot-ft) in the
                    afternoon.
GFDI................7.

TIME (CST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........81  71  60  43  46  50  53  63  73
Weather cov.....
Weather type....
Tstm cov........
Temp............36  41  46  51  53  55  57  56  55
RH..............69  67  63  61  59  57  53  57  59
20 FT wind dir..S   S   S   S   S   S   S   S   S
20 FT wind spd..12  13  13  14  15  16  16  15  14
20 FT wind gust.18  21  21  22  23  24  23  23  22
Mix hgt (kft)...0.6 1.1 1.3 1.6 2.0 2.3 2.6 2.7 1.2
Transp wind dir.S   S   S   S   S   S   S   S   S
Transp wind spd.18  21  21  21  23  25  26  26  22
GFDI............3   4   5   7   8   10  10  9   7
Vrate kt-ft/1K..9   20  23  28  39  50  59  62  23
Ventrate Cat....PR  PR  PR  PR  PR  FR  FR  GD  PR
SDspl kt-ft/10009   20  23  28  39  50  59  62  23

.TONIGHT...

Sky/weather.........Cloudy (85-95 percent). Slight chance of rain
                    early in the evening. Chance of rain late in
                    the evening.
Min temperature.....Around 42.
Max humidity........96 percent.
Wind (20 ft)........South winds 8 to 13 mph.
Mixing height.......700 ft AGL.
Transport winds.....South 14 to 21 mph.
Smoke dispersal.....Fair (20100 knot-ft) early in the evening
                    decreasing to poor (8200 knot-ft) late in the
                    night.
Smoke dispersal.....Fair (20100 knot-ft) early in the evening
                    decreasing to poor (8200 knot-ft) late in the
                    night.
GFDI................4.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........83     90     94     95     93     90
Weather cov.....       S CHC  S CHC  CHANCE CHANCE CHANCE
Weather type....NONE   RAIN   RAIN   RAIN   RAIN   RAIN
Tstm cov........
Temp............53     50     48     47     45     44
RH..............64     71     77     83     89     93
20 ft wind......S 13   S 13   S 12   S 10   S 9    SE 9
20 ft wind gust.20     18     18     16     14     15
Mix hgt (ft)....800    800    1000   900    700    700
Transport wind..S 20   S 21   S 20   S 16   S 15   S 14
GFDI............6      5      4      3      2      2
Vrate kt-ft/1K..13     15     17     13     9      9
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR
SDspl kt-ft/100013     15     17     13     9      9

$$
Forecaster...KCM
Requested by...Dustin Doty
Type of request...PRESCRIBED
.TAG 2504741.0/DMX
.DELDT 03/03/25
.FormatterVersion 2.0.0
.EMAIL dustin.doty@worthcountyiowa.gov