000
FNUS73 KDMX 240913
FWSDMX

Spot Forecast for Kirke Woods...Iowa DNR
National Weather Service Des Moines IA
413 AM CDT Wed Apr 24 2024

Forecast is based on ignition time of 0900 CDT on April 24.
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 are expected today as high pressure continues
to push into the region, with mostly sunny skies. Winds will
overall be light, starting out from the north/northeast and
gradually shifting southeasterly into the evening. Minimum RHs are
expected to start out in the 60s before falling into the low 30s
this afternoon. The light winds, as well as increasing greenup
however will limit the potential for fire weather concerns today.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 65.
Min humidity........33 percent.
Wind (20 ft)........East winds 5 to 7 mph.
Mixing height.......4600 ft AGL.
Transport winds.....Northeast 7 to 10 mph.
Smoke dispersal.....Fair (14800 knot-ft).
GFDI................0.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32  31  14  2   3   10  8   6   14
Weather cov.....
Weather type....
Tstm cov........
Temp............46  52  56  59  62  63  65  65  65
RH..............71  56  49  44  38  36  33  33  33
20 FT wind dir..E   E   E   E   NE  E   E   E   E
20 FT wind spd..7   6   6   6   6   5   5   5   5
20 FT wind gust.10  9   9   8   9   8   8   7   8
Mix hgt (kft)...1.9 2.1 2.8 3.3 3.9 4.1 4.3 4.6 3.5
Transp wind dir.NE  NE  N   N   N   NE  NE  NE  E
Transp wind spd.10  8   8   8   8   8   7   7   7
GFDI............0   0   0   0   0   0   0   0   0
Haines index....5   5   5   5   5   5   5   5   5
SDspl kt-ft/100017  15  20  24  27  28  28  27  20

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (45-55 percent).
Min temperature.....Around 45.
Max humidity........71 percent.
Wind (20 ft)........Southeast winds 6 to 9 mph.
Mixing height.......400 ft AGL.
Transport winds.....Southeast 7 to 14 mph.
Smoke dispersal.....Fair (13900 knot-ft) early in the evening
                    decreasing to poor (4000 knot-ft) late in the
                    night.
GFDI................0.
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 (%).........15     26     29     45     58     49
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............65     60     54     51     49     47
RH..............33     41     48     54     61     68
20 ft wind......E 6    E 6    E 7    SE 8   SE 9   SE 9
20 ft wind gust.8      9      10     14     15     15
Mix hgt (ft)....2500   1100   400    400    400    400
Transport wind..E 7    SE 8   SE 12  SE 13  SE 13  SE 14
GFDI............0      0      0      0      0      0
Haines index....5      5      5      5      4      4
SDspl kt-ft/100014     8      4      5      5      5

.THURSDAY...

Sky/weather.........Partly sunny (60-70 percent). Slight chance of
                    rain showers in the afternoon.
Max temperature.....Around 67.
Min humidity........43 percent.
Wind (20 ft)........Southeast winds 9 to 18 mph increasing to 20 to
                    21 mph late in the afternoon.
Mixing height.......4600 ft AGL.
Transport winds.....Southeast 13 to 22 mph increasing to 23 to 25
                    mph late in the afternoon.
Smoke dispersal.....Poor (5100 knot-ft) early in the morning
                    increasing to excellent (100400 knot-ft) in the
                    afternoon.
GFDI................1.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........55        61        69        75
Weather cov.....                              S CHC
Weather type....NONE      NONE      NONE      RNSHWR
Tstm cov........
Temp............46        50        61        66
RH..............71        71        51        45
20 FT wind......SE 9G15   SE 13G18  SE 17G24  SE 20G29
Mix hgt (ft)....500       1600      3700      4500
Transport wind..SE 13     SE 16     SE 21     SE 24
GFDI............0         0         0         1
Haines index....4         4         4         4
SDspl kt-ft/10005         23        67        96

$$
Forecaster...Bury
Requested by...Jonathan Jones
Type of request...PRESCRIBED
.TAG 2412112.0/DMX
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL jonathan.jones@dnr.iowa.gov