Spot Forecast
Issued by NWS Des Moines, IA

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981
FNUS73 KDMX 301232
FWSDMX

Spot Forecast for Pammel Campground...Madison County Conservation
National Weather Service Des Moines IA
732 AM CDT Tue Apr 30 2024

Forecast is based on ignition time of 1000 CDT on April 30.
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...

Southerly to southeast winds expected at ignition time increasing
over 20kts by the afternoon hours. RH values will drop to near 40%
in the afternoon. Low confidence in showers and thunderstorms
around noon, but look to remain north and west at this time.

The main round of thunderstorms, some severe, are anticipated to
arrive after 5pm.

.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 79.
Min humidity........45 percent.
Wind (20 ft)........South winds 13 to 22 mph with gusts to around
                    33 mph increasing to around 23 mph late in the
                    afternoon.
Mixing height.......4200 ft AGL.
Transport winds.....South 21 to 25 mph increasing to 31 to 39 mph
                    late in the afternoon.
Smoke dispersal.....Fair (26300 knot-ft) early in the morning
                    increasing to excellent (115300 knot-ft) in the
                    afternoon increasing to excellent (141100
                    knot-ft) late in the afternoon.
GFDI................1.
Haines Index........5 to 6 or moderate to high potential for large
                    plume dominated fire growth.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........30  43  52  50  41  42  37  48
Weather cov.....
Weather type....
Tstm cov........
Temp............66  69  72  74  77  79  79  78
RH..............68  61  55  52  48  45  45  47
20 FT wind dir..S   S   S   S   S   S   S   S
20 FT wind spd..13  14  15  17  20  21  22  23
20 FT wind gust.20  21  23  26  29  31  33  33
Mix hgt (kft)...1.5 1.9 1.9 2.4 2.9 3.8 3.8 4.2
Transp wind dir.SW  SW  S   S   S   S   S   S
Transp wind spd.21  21  21  22  25  31  35  39
GFDI............0   0   0   0   1   1   1   1
Haines index....6   6   6   5   5   5   5   5
SDspl kt-ft/100026  34  34  46  63  102 115 141

$$
Forecaster...Jimenez
Requested by...Tanner Donovan
Type of request...PRESCRIBED
.TAG 2412772.0/DMX
.DELDT 04/30/24
.FormatterVersion 2.0.0
.EMAIL tdonovan@madisoncounty.iowa.gov