Text Products for FWS Issued by DMX

Spot Forecast
Issued by NWS Des Moines, IA
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000
FNUS73 KDMX 251403
FWSDMX

Spot Forecast for Aldo Leopold...Iowa DNR
National Weather Service Des Moines IA
903 AM CDT Thu Apr 25 2024

Forecast is based on ignition time of 1000 CDT on April 25.
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...

Dry conditions and at least periods of sunny skies will prevail
through the day, before increasing cloud cover and chances for
showers and storms ramp up tonight.

Expect highs to reach into the lower 30s in conjunction with
breezy SE winds up to around 20 mph sustained and gusts into the
low to mid 20s mph. RH values to fall into the upper 20s to lower
30s percent.

.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 63.
Min humidity........30 percent.
Wind (20 ft)........Southeast winds 16 to 22 mph.
Mixing height.......4300 ft AGL.
Transport winds.....Southeast 18 to 22 mph.
Smoke dispersal.....Fair (27900 knot-ft) early in the morning
                    increasing to excellent (81400 knot-ft) in the
                    afternoon.
GFDI................1.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........24  38  32  27  23  19  17  18
Weather cov.....
Weather type....
Tstm cov........
Temp............52  56  57  60  62  63  63  63
RH..............51  45  43  37  33  31  31  30
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..16  18  18  21  21  21  22  21
20 FT wind gust.23  22  22  22  23  23  23  24
Mix hgt (kft)...1.7 2.4 3.2 3.8 4.1 4.2 4.3 4.2
Transp wind dir.S   S   SE  SE  SE  SE  SE  SE
Transp wind spd.18  20  21  21  21  22  22  22
GFDI............1   1   1   1   1   1   1   1
Haines index....5   5   5   4   4   4   4   4
SDspl kt-ft/100028  40  57  69  74  80  81  80

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (65-75 percent). Slight chance of
                    rain showers overnight. Chance of showers and
                    thunderstorms after 3 am.
Min temperature.....Around 46.
Max humidity........71 percent.
Wind (20 ft)........Southeast winds 15 to 23 mph. Gusts up to 37
                    mph overnight. Gusty and erratic winds expected
                    near thunderstorms after 3 am.
Mixing height.......500 ft AGL.
Transport winds.....Southeast 18 to 26 mph.
Smoke dispersal.....Excellent (78500 knot-ft) early in the evening
                    decreasing to poor (8200 knot-ft) late in the
                    night.
GFDI................1.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........21     40     63     72     75     84
Weather cov.....                            S CHC  CHANCE
Weather type....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
Tstm cov........                                   CHANCE
Temp............62     58     52     50     49     48
RH..............30     34     46     54     61     65
20 ft wind......SE 21  SE 15  SE 16  SE 17  SE 21  SE 23
20 ft wind gust.24     23     23     28     32     36
Mix hgt (ft)....4100   600    600    800    800    1000
Transport wind..SE 22  SE 18  SE 20  SE 21  SE 22  SE 25
GFDI............1      1      1      1      1      1
Haines index....4      5      5      5      4      4
SDspl kt-ft/100079     9      11     15     16     22

.FRIDAY...

Sky/weather.........Cloudy (90-100 percent). Showers and
                    thunderstorms likely early in the morning, then
                    showers and thunderstorms.
Max temperature.....Around 60.
Min humidity........73 percent.
Wind (20 ft)........Breezy. Southeast winds 22 to 28 mph with gusts
                    to around 41 mph. Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......1700 ft AGL.
Transport winds.....Southeast 28 to 36 mph.
Smoke dispersal.....Fair (28500 knot-ft) early in the morning
                    increasing to good (53100 knot-ft) in the
                    afternoon.
GFDI................1.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........92        96        94        95
Weather cov.....LIKELY    DEFNTE    DEFNTE    DEFNTE
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........LIKELY    DEFNTE    DEFNTE    DEFNTE
Temp............46        48        51        54
RH..............73        77        80        80
20 FT wind......SE 22G38  SE 24G38  SE 28G40  SE 28G39
Mix hgt (ft)....1200      1400      1500      1600
Transport wind..SE 28     SE 30     SE 33     SE 33
GFDI............1         1         1         1
Haines index....4         3         3         3
SDspl kt-ft/100029        36        42        47

$$
Forecaster...Curtis
Requested by...Logan McEwan
Type of request...PRESCRIBED
.TAG 2412451.0/DMX
.DELDT 04/25/24
.FormatterVersion 2.0.0
.EMAIL logan.mcewan@dnr.iowa.gov
National Weather Service Weather Forecast Office
