Spot Forecast
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
891
FNUS73 KDMX 281247
FWSDMX
Spot Forecast for Refuge Timber...Iowa DNR
National Weather Service Des Moines IA
747 AM CDT Fri Mar 28 2025
Forecast is based on ignition time of 1000 CDT on March 28.
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...
Mostly sunny skies are expected today, with temperatures reaching
into the low 80s. Winds will gradually turn breezy, especially
late morning through the afternoon with S-SW winds gusting to
35-40mph, along with minimum RH values near or just under 40%.
Showers and storms are possible by Saturday.
.REST OF TODAY...
Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 81.
Min humidity........42 percent.
Wind (20 ft)........Breezy. Southwest winds 24 to 28 mph with gusts
to around 41 mph.
Mixing height.......4600 ft AGL.
Transport winds.....Southwest 35 to 40 mph.
Smoke dispersal.....Good (48000 knot-ft) early in the morning
increasing to excellent (141400 knot-ft) in the
afternoon increasing to excellent (156100
knot-ft) late in the afternoon.
GFDI................29 increasing to 42.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........28 34 26 19 14 6 2 2
Weather cov.....
Weather type....
Tstm cov........
Temp............65 70 72 76 78 80 81 80
RH..............73 63 59 52 47 44 42 44
20 FT wind dir..SW SW SW SW SW SW SW SW
20 FT wind spd..24 26 28 26 26 25 25 24
20 FT wind gust.40 41 39 38 38 37 37 37
Mix hgt (kft)...1.6 2.3 2.4 2.8 3.4 3.8 4.0 4.6
Transp wind dir.SW SW SW SW SW SW SW SW
Transp wind spd.35 37 36 36 38 39 40 39
GFDI............24 33 34 37 42 42 44 40
Vrate kt-ft/1K..48 74 74 88 112 128 141 156
Ventrate Cat....FR GD GD GD VGD VGD VGD EXL
SDspl kt-ft/100048 74 74 88 112 128 141 156
.TONIGHT...
Sky/weather.........Partly cloudy (20-30 percent) then becoming
mostly cloudy (50-60 percent).
Min temperature.....Around 56.
Max humidity........87 percent.
Wind (20 ft)........Southwest winds 16 to 24 mph with gusts to
around 36 mph decreasing to 12 to 14 mph after
3 am.
Mixing height.......800 ft AGL.
Transport winds.....Southwest around 39 mph decreasing to around 18
mph.
Smoke dispersal.....Excellent (140100 knot-ft) decreasing to good
(32100 knot-ft) early in the evening decreasing
to fair (16000 knot-ft) late in the night.
GFDI................34 decreasing to 9.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5 5 10 25 34 34 33 40 42 48 54 58
Weather cov.....
Weather type....
Tstm cov........
Temp............79 77 71 68 66 65 64 63 62 62 60 59
RH..............44 47 57 65 70 70 73 78 81 81 87 87
20 FT wind dir..S S S S S S SW SW SW SW SW SW
20 FT wind spd..24 22 21 21 21 20 18 18 16 14 14 12
20 FT wind gust.36 33 33 33 33 32 31 30 28 24 23 22
Mix hgt (kft)...4.1 0.9 1.0 0.8 1.0 1.1 1.3 1.2 1.1 1.0 1.0 1.0
Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW SW
Transp wind spd.39 29 30 28 29 29 29 28 25 22 21 18
GFDI............38 29 22 19 17 15 13 12 9 7 6 5
Vrate kt-ft/1K..140 24 25 18 24 26 32 30 25 18 18 16
Ventrate Cat....VGD PR PR PR PR PR PR PR PR PR PR PR
SDspl kt-ft/1000140 24 25 18 24 26 32 30 25 18 18 16
.SATURDAY...
Sky/weather.........Partly sunny (60-70 percent). Slight chance of
thunderstorms early in the afternoon. Chance of
rain showers in the afternoon. Chance of
thunderstorms late in the afternoon.
Max temperature.....Around 73.
Min humidity........59 percent.
Wind (20 ft)........South winds 10 to 15 mph. Gusty and erratic
winds expected near thunderstorms early in the
afternoon. Gusty and erratic winds expected
near thunderstorms late in the afternoon.
Mixing height.......3400 ft AGL.
Transport winds.....South 17 to 21 mph.
Smoke dispersal.....Fair (14700 knot-ft) early in the morning
increasing to good (57100 knot-ft) in the
afternoon.
GFDI................8.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........61 57 56 60 63 67 70 74 72 69 69 70
Weather cov..... CHC CHC CHC CHC CHC
Weather type.... RW RW RW RW RW
Tstm cov........ SCH SCH SCH CHC CHC
Temp............58 58 57 60 63 66 68 70 71 72 72 71
RH..............90 90 96 90 84 75 70 66 61 59 59 61
20 FT wind dir..SW S S S S S S S S S S S
20 FT wind spd..10 10 12 12 13 13 13 13 14 14 15 14
20 FT wind gust.21 20 20 20 21 21 22 22 22 23 23 23
Mix hgt (kft)...1.0 0.9 1.2 1.5 1.9 2.1 2.6 3.1 2.8 3.1 3.4 2.5
Transp wind dir.SW S S S S S S S S S S S
Transp wind spd.18 18 20 21 20 18 20 18 18 20 20 17
GFDI............4 4 4 4 5 6 7 8 9 10 11 10
Vrate kt-ft/1K..16 15 20 27 32 34 44 49 45 51 57 37
Ventrate Cat....PR PR PR PR PR PR FR FR FR FR FR PR
SDspl kt-ft/100016 15 20 27 32 34 44 49 45 51 57 37
$$
Forecaster...Hagenhoff
Requested by...Heath Van Waus
Type of request...PRESCRIBED
.TAG 2508333.0/DMX
.DELDT 03/28/25
.FormatterVersion 2.0.0
.EMAIL heath.vanwaus@dnr.iowa.gov