Spot Forecast Issued by NWS Des Moines, IA
000
FNUS73 KDMX 281531
FWSDMX
Spot Forecast for Snyder Rx...INHF
National Weather Service Des Moines IA
1031 AM CDT Thu Mar 28 2024
Forecast is based on ignition time of 1100 CDT on March 28.
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...
Quiet conditions expected today with light winds. Poor dispersion is
expected early this morning with increasing winds in the afternoon hours.
No other fire concerns are expected today. Showers will return to the region
later in the period.
.REST OF TODAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....Around 55.
Min humidity........49 percent.
Wind (20 ft)........East winds 5 to 6 mph.
Mixing height.......3500 ft AGL.
Transport winds.....South 8 to 9 mph.
Smoke dispersal.....Poor (12500 knot-ft) early in the morning
increasing to fair (28000 knot-ft) in the
afternoon.
GFDI................2.
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........27 42 43 43 41 35 36
Weather cov.....
Weather type....
Tstm cov........
Temp............42 44 47 49 51 53 55
RH..............57 55 51 52 50 50 49
20 FT wind dir..E E E E SE SE E
20 FT wind spd..5 5 5 5 6 6 5
20 FT wind gust. 8 8
Mix hgt (kft)...1.8 2.2 2.5 2.7 3.1 3.4 3.5
Transp wind dir.SE S S S S S S
Transp wind spd.8 8 8 8 9 9 9
GFDI............1 2 2 2 2 2 2
Haines index....3 3 4 4 4 4 4
SDspl kt-ft/100013 15 17 19 25 27 28
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
mostly cloudy (60-70 percent).
Min temperature.....Around 37.
Max humidity........83 percent.
Wind (20 ft)........East winds 6 to 8 mph.
Mixing height.......400 ft AGL.
Transport winds.....Southeast around 8 mph shifting to the east 10
to 15 mph.
Smoke dispersal.....Fair (18900 knot-ft) early in the evening
decreasing to poor (4200 knot-ft) late in the
night.
GFDI................2.
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........30 31 22 25 47 65
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Temp............54 49 44 40 38 38
RH..............52 63 74 78 82 78
20 ft wind......NE 6 NE 7 E 8 E 8 E 7 E 7
20 ft wind gust.8 10 14 14 13 14
Mix hgt (ft)....2700 400 400 500 500 500
Transport wind..SE 8 E 12 E 15 E 13 E 13 E 12
GFDI............2 2 2 2 2 2
Haines index....4 4 4 4 3 3
SDspl kt-ft/100019 4 6 5 5 5
.FRIDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
rain showers in the afternoon.
Max temperature.....Around 64.
Min humidity........57 percent.
Wind (20 ft)........Southeast winds 8 to 13 mph increasing to 13 to
14 mph in the afternoon.
Mixing height.......3700 ft AGL.
Transport winds.....Southeast 12 to 20 mph shifting to the south 14
to 20 mph in the afternoon.
Smoke dispersal.....Poor (5200 knot-ft) early in the morning
increasing to excellent (63700 knot-ft) in the
afternoon.
GFDI................6.
Haines Index........3 or very low potential for large plume
dominated fire growth.
TIME (CDT) 6 AM 9 AM NOON 3 PM
Sky (%).........67 77 83 86
Weather cov..... S CHC
Weather type....NONE NONE NONE RNSHWR
Tstm cov........
Temp............38 44 57 63
RH..............83 87 64 58
20 FT wind......E 8G14 SE 12G17 SE 14G21 S 14G22
Mix hgt (ft)....500 1000 2900 3400
Transport wind..E 12 SE 16 S 20 S 18
GFDI............2 3 7 9
Haines index....3 3 3 3
SDspl kt-ft/10005 14 50 53
$$
Forecaster...Vachalek
Requested by...Derek Miner
Type of request...PRESCRIBED
.TAG 2408766.0/DMX
.DELDT 03/28/24
.FormatterVersion 2.0.0
.EMAIL dminer@inhf.org