Spot Forecast Issued by NWS Des Moines, IA
000
FNUS73 KDMX 241209
FWSDMX
Spot Forecast for Hilker wildlife area...Hardin County Conservation
National Weather Service Des Moines IA
709 AM CDT Wed Apr 24 2024
Forecast is based on ignition time of 0800 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...
Light northeast to east winds are expected this morning becoming
southeast into the afternoon. Relative humidity values are
expected to drop to around 30 percent by mid afternoon.
.REST OF TODAY...
Sky/weather.........Sunny (0-10 percent). Areas of frost early in
the morning.
Temperature.........41 at ignition...Max 62.
RH..................74 percent at ignition...Min 26 percent.
Wind (20 ft)........Winds northeast at 6 mph at
ignition...otherwise Northeast winds 6 to 7 mph
shifting to the east around 6 mph late in the
afternoon.
Mixing height.......1200 ft AGL at ignition...otherwise 4500 ft
AGL.
Transport winds.....Northeast 7 to 14 mph.
Smoke dispersal.....Fair /14000 knot-ft/ at ignition. Max...fair
/27300 knot-ft/.
GFDI................0.
Haines Index........4 or low potential for large plume dominated
fire growth at ignition...max 4.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........6 2 6 6 1 1 2 2 3 3
Weather cov.....ARS
Weather type....FST
Tstm cov........
Temp............41 44 47 51 54 58 60 62 62 62
RH..............74 64 56 46 40 33 31 27 27 26
20 FT wind dir..NE NE E E E NE E E E E
20 FT wind spd..6 7 7 7 7 6 6 6 6 6
20 FT wind gust. 10 9 9 8 8 8 7 7
Mix hgt (kft)...1.2 1.6 2.0 2.6 3.2 3.7 4.0 4.3 4.5 4.2
Transp wind dir.NE NE NE NE NE NE NE NE NE E
Transp wind spd.14 12 10 8 7 7 7 7 7 7
GFDI............0 0 0 0 0 0 0 0 0 0
Haines index....4 4 4 4 4 4 4 4 4 4
SDspl kt-ft/100014 16 18 18 19 23 23 25 27 26
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Temperature.........Min 41.
RH..................Max 73 percent.
Wind (20 ft)........Southeast winds 6 to 9 mph.
Mixing height.......400 ft AGL.
Transport winds.....Southeast 8 to 14 mph.
Smoke dispersal.....Fair (25600 knot-ft) early in the evening
decreasing to poor (3900 knot-ft) late in the
night.
GFDI................0.
Haines Index........4 or low potential for large plume dominated
fire growth.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........5 23 39 35 47 50
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Temp............62 57 49 44 43 42
RH..............26 33 48 57 62 70
20 ft wind......SE 6 E 6 E 6 SE 7 SE 8 SE 9
20 ft wind gust.8 8 10 13 15 15
Mix hgt (ft)....3900 2500 400 400 400 400
Transport wind..E 8 SE 9 SE 10 SE 12 SE 13 SE 13
GFDI............0 0 0 0 0 0
Haines index....4 4 4 4 4 4
SDspl kt-ft/100026 19 4 4 5 5
$$
Forecaster...Cogil
Requested by...Josh Gaffey
Type of request...PRESCRIBED
.TAG 2412186.0/DMX
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL jgaffey@hardincountyia.gov