Spot Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 101603
FWSDMX

Spot Forecast for Columbia wildlife area...Tama county conservation
National Weather Service Des Moines IA
1103 AM CDT Wed Apr 10 2024

Forecast is based on ignition time of 1200 CDT on April 10.
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...

Today will be warm and partly cloudy with only minor fire weather
concerns. Winds at noon into the afternoon will be light around 5
to 10 mph, gusting to 15 mph as the boundary layer mixes out.
Winds will switch from the west southwest around noon to west
northwest in the afternoon. Conditions today will also be quite
dry, with humidities bottoming out in the upper 20 percents.

A few isolated sprinkles may be seen late this afternoon, but any
impacts would be minimal.

.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 71.
Min humidity........30 percent.
Wind (20 ft)........West winds 6 to 8 mph.
Mixing height.......9500 ft AGL.
Transport winds.....West 9 to 13 mph.
Smoke dispersal.....Excellent (74700 knot-ft).
GFDI................3.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16  25  39  56  65  67
Weather cov.....
Weather type....
Tstm cov........
Temp............66  68  69  69  70  69
RH..............37  33  31  31  30  31
20 FT wind dir..W   W   W   W   W   W
20 FT wind spd..8   8   8   7   6   6
20 FT wind gust.13  13  12  12  12  10
Mix hgt (kft)...7.4 8.3 8.7 9.0 9.5 9.3
Transp wind dir.W   W   W   W   NW  NW
Transp wind spd.13  12  10  10  9   9
GFDI............3   3   3   3   2   2
Haines index....5   5   5   5   5   5
SDspl kt-ft/100082  83  79  81  76  75

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    rain showers after 3 am.
Min temperature.....Around 46.
Max humidity........74 percent.
Wind (20 ft)........West winds around 5 mph shifting to the
                    northeast early in the evening, then shifting
                    to the south 5 to 6 mph in the late evening and
                    overnight shifting to the west 6 to 7 mph
                    overnight shifting to the northwest 8 to 10
                    mph.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 5 to 8 mph shifting to the east 5 to
                    6 mph early in the evening, then shifting to
                    the south 8 to 10 mph in the late evening and
                    overnight shifting to the west 10 to 15 mph
                    overnight shifting to the north around 16 mph.
Smoke dispersal.....Good (58500 knot-ft) early in the evening
                    decreasing to poor (1600 knot-ft) late in the
                    night.
GFDI................2.
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 (%).........68     93     83     94     78     69
Weather cov.....                                   S CHC
Weather type....NONE   NONE   NONE   NONE   NONE   RNSHWR
Tstm cov........
Temp............67     62     57     54     52     49
RH..............33     41     51     59     63     74
20 ft wind......W 5    NE 5   S 6    SW 6   W 6    NW 8
20 ft wind gust.9      7      7      8      8      12
Mix hgt (ft)....8400   500    400    400    400    400
Transport wind..NW 8   E 6    S 8    S 9    W 10   NW 15
GFDI............2      1      1      1      1      1
Haines index....5      5      5      5      4      4
SDspl kt-ft/100059     3      3      3      4      6

$$
Forecaster...Castillo/Dodson
Requested by...Dustin Horne Type of
request...PRESCRIBED .TAG 2410304.0/DMX .DELDT 04/10/24
.FormatterVersion 2.0.0 .EMAIL Dhorne@tamacounty.org


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