Spot Forecast Issued by NWS Des Moines, IA
000
FNUS73 KDMX 241124
FWSDMX
Spot Forecast for Snyder Rx...INHF
National Weather Service Des Moines IA
624 AM CDT Wed Apr 24 2024
Forecast is based on ignition time of 0700 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 (5-15 percent).
Max temperature.....Around 65.
Min humidity........32 percent.
Wind (20 ft)........Northeast winds 5 to 6 mph shifting to the east
6 to 7 mph in the late morning and afternoon.
Mixing height.......4700 ft AGL.
Transport winds.....Northeast 7 to 12 mph.
Smoke dispersal.....Poor (8500 knot-ft) early in the morning
increasing to fair (28100 knot-ft) in the
afternoon.
GFDI................0.
Haines Index........4 to 5 or low to moderate potential for large
plume dominated fire growth.
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........18 13 16 6 5 2 1 5 3 3 3
Weather cov.....
Weather type....
Tstm cov........
Temp............41 44 46 49 53 56 58 59 62 62 62
RH..............82 73 65 58 48 43 39 37 33 32 32
20 FT wind dir..N NE NE E E E E E E E E
20 FT wind spd..5 5 6 7 7 7 7 7 6 6 6
20 FT wind gust. 10 9 9 8 8 8 7 8
Mix hgt (kft)...0.8 1.3 1.7 2.1 2.6 3.2 3.8 4.1 4.4 4.7 4.4
Transp wind dir.NE NE NE NE NE NE NE NE NE NE E
Transp wind spd.12 12 10 8 7 7 8 8 7 7 7
GFDI............0 0 0 0 0 0 0 0 0 0 0
Haines index....4 4 4 4 4 4 5 5 5 5 5
SDspl kt-ft/10009 13 16 15 15 20 27 28 28 28 27
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
mostly cloudy (45-55 percent) then becoming
partly cloudy (40-50 percent).
Min temperature.....Around 43.
Max humidity........70 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 (26200 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 (%).........16 23 30 48 51 43
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Temp............63 59 51 49 46 45
RH..............30 36 50 54 63 68
20 ft wind......SE 6 SE 7 E 7 SE 8 SE 9 SE 9
20 ft wind gust.8 10 12 15 16 16
Mix hgt (ft)....4100 2600 400 400 400 400
Transport wind..E 7 SE 9 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/100026 21 4 5 5 5
.THURSDAY...
Sky/weather.........Partly sunny (55-65 percent).
Max temperature.....Around 66.
Min humidity........43 percent.
Wind (20 ft)........Southeast winds 10 to 18 mph increasing to 18
to 20 mph late in the afternoon.
Mixing height.......4700 ft AGL.
Transport winds.....Southeast 14 to 23 mph increasing to 24 to 25
mph late in the afternoon.
Smoke dispersal.....Poor (5700 knot-ft) early in the morning
increasing to excellent (104500 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 (%).........54 49 50 66
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
Temp............44 49 60 65
RH..............73 68 51 45
20 FT wind......SE 10G17 SE 14G21 SE 17G25 SE 20G28
Mix hgt (ft)....500 1500 3300 4500
Transport wind..SE 14 SE 18 SE 22 SE 24
GFDI............0 0 0 1
Haines index....4 4 4 4
SDspl kt-ft/10006 24 65 96
$$
Forecaster...Bury
Requested by...Derek Miner
Type of request...PRESCRIBED
.TAG 2412161.0/DMX
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL dminer@inhf.org