713
FNUS73 KDMX 061209
FWSDMX

Spot Forecast for ANT MOUND...USFWS
National Weather Service Des Moines IA
709 AM CDT Sun Apr 6 2025

Forecast is based on ignition time of 1000 CDT on April 06.
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...

Mild and sunny today with an afternoon high temperature around 56
degrees and relative humidity dropping to around or just under 30%.
Wind will be out of the northwest through the morning, shifting to
out of the west this afternoon.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Temperature.........42 at ignition...Max 56.
RH..................41 percent at ignition...Min 27 percent.
Wind (20 ft)........Winds north at 5 mph at ignition...otherwise
                    North winds around 5 mph late in the morning
                    becoming light, then becoming west 5 to 8 mph
                    in the afternoon.
Mixing height.......2200 ft AGL at ignition...otherwise 5300 ft
                    AGL.
Transport winds.....Northeast 5 to 7 mph shifting to the northwest
                    6 to 13 mph in the afternoon.
Smoke dispersal.....Fair /13100 knot-ft/ at ignition. Max...good
                    /58300 knot-ft/.
GFDI................2.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9   6   3   1   1   1   2   8
Weather cov.....
Weather type....
Tstm cov........
Temp............42  45  47  50  52  53  55  56
RH..............41  36  34  29  28  29  29  27
20 FT wind dir..N   NW  W   NW  NW  W   W   W
20 FT wind spd..5   3   3   5   6   7   8   8
20 FT wind gust.                        12  12
Mix hgt (kft)...2.2 3.1 3.8 4.3 5.0 5.1 5.2 5.3
Transp wind dir.NE  NE  NW  W   NW  W   W   W
Transp wind spd.7   5   6   7   10  10  12  13
GFDI............1   1   1   2   2   3   3   3
Smoke Dispersal.13  12  19  26  45  46  52  58
Smoke Cat.......PR  PR  PR  PR  FR  FR  FR  FR

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Temperature.........Min 33.
RH..................Max 64 percent.
Wind (20 ft)........West winds 6 to 8 mph shifting to the southwest
                    6 to 10 mph late in the evening, then shifting
                    to the northwest around 10 mph after 3 am.
Mixing height.......400 ft AGL.
Transport winds.....West 8 to 17 mph.
Smoke dispersal.....Good (55700 knot-ft) early in the evening
                    decreasing to poor (3700 knot-ft) late in the
                    night.
GFDI................2.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........16  16  21  19  19  14  7   6   4   9   11  13
Weather cov.....
Weather type....
Tstm cov........
Temp............55  53  49  47  44  42  41  40  39  38  37  36
RH..............30  33  39  42  47  50  55  55  57  57  61  64
20 FT wind dir..W   W   W   SW  SW  SW  SW  SW  W   W   NW  NW
20 FT wind spd..8   6   6   6   6   6   8   8   9   10  10  10
20 FT wind gust.12  10  8   9   10  12  13  15  16  17  17  18
Mix hgt (kft)...5.1 0.5 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.6
Transp wind dir.W   W   W   W   W   SW  SW  SW  W   W   NW  NW
Transp wind spd.13  9   8   10  12  13  13  14  17  16  16  14
GFDI............3   2   1   1   1   1   2   2   2   2   2   2
Smoke Dispersal.56  4   4   4   4   4   4   5   6   6   7   7
Smoke Cat.......FR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.MONDAY...

Sky/weather.........Sunny (10-20 percent).
Temperature.........Max 45.
RH..................Min 31 percent.
Wind (20 ft)........North winds 10 to 16 mph.
Mixing height.......5100 ft AGL.
Transport winds.....North 15 to 22 mph.
Smoke dispersal.....Poor (9500 knot-ft) early in the morning
                    increasing to excellent (82300 knot-ft) in the
                    afternoon.
GFDI................4.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........15  16  23  8   4   3   3   4   4   5   6   7
Weather cov.....
Weather type....
Tstm cov........
Temp............35  34  35  36  37  39  41  42  43  44  45  44
RH..............72  75  64  59  54  46  41  36  33  33  31  32
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..10  12  15  16  16  16  16  16  15  15  14  13
20 FT wind gust.20  22  23  23  24  23  22  22  21  21  20  18
Mix hgt (kft)...0.7 0.7 2.0 2.7 3.3 3.6 4.1 4.5 4.7 4.9 5.1 4.4
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.15  17  21  21  22  21  20  20  20  20  18  17
GFDI............2   2   3   4   4   5   5   6   5   6   5   5
Smoke Dispersal.10  11  35  48  63  66  71  77  80  82  82  65
Smoke Cat.......PR  PR  PR  FR  GD  GD  GD  GD  GD  GD  GD  GD

$$
Forecaster...Lee
Requested by...RYAN HARR
Type of request...PRESCRIBED
.TAG 2508978.0/DMX
.DELDT 04/06/25
.FormatterVersion 2.0.0
.EMAIL ryan_harr@fws.gov