Spot Forecast Issued by NWS Des Moines, IA
000
FNUS73 KDMX 171106
FWSDMX
Spot Forecast for Ringgold Lee Trail...Iowa DNR Grand River Wildlife Unit
National Weather Service Des Moines IA
606 AM CDT Wed Apr 17 2024
Forecast is based on ignition time of 1000 CDT on April 17.
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...
Gusty northwest winds are expected this morning before beginning
to diminish this afternoon. Sky conditions will remain mostly
cloudy through the morning as well with some clearing this
afternoon.
.REST OF TODAY...
Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....Around 70.
Min humidity........41 percent.
Wind (20 ft)........Northwest winds 13 to 21 mph decreasing to
around 10 mph late in the afternoon.
Mixing height.......4000 ft AGL.
Transport winds.....Northwest 28 to 35 mph becoming west around 13
mph.
Smoke dispersal.....Good (44200 knot-ft) early in the morning
increasing to excellent (99900 knot-ft) in the
afternoon.
GFDI................1.
Haines Index........4 to 5 or low to moderate potential for large
plume dominated fire growth.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........59 52 49 47 32 15 8 7
Weather cov.....
Weather type....
Tstm cov........
Temp............56 59 61 63 66 68 69 70
RH..............67 63 60 56 50 47 44 41
20 FT wind dir..NW NW NW NW NW NW NW NW
20 FT wind spd..21 20 18 17 16 14 13 10
20 FT wind gust.29 28 28 25 23 22 20 16
Mix hgt (kft)...3.3 3.4 3.5 3.5 3.6 3.9 4.0 4.0
Transp wind dir.NW NW NW NW NW NW W W
Transp wind spd.35 31 28 25 23 20 16 13
GFDI............1 1 1 1 1 1 1 1
Haines index....4 4 4 5 5 5 5 5
SDspl kt-ft/1000100 92 83 77 72 66 56 44
.TONIGHT...
Sky/weather.........Partly cloudy (20-30 percent) then becoming
mostly cloudy (70-80 percent). Rain showers and
chance of thunderstorms overnight.
Min temperature.....Around 50.
Max humidity........83 percent.
Wind (20 ft)........Northwest winds 6 to 8 mph shifting to the
northeast 5 to 6 mph early in the evening, then
shifting to the east 6 to 14 mph in the late
evening and overnight. Gusty and erratic winds
expected near thunderstorms overnight. Gusty
and erratic winds expected near thunderstorms
overnight.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 6 to 10 mph shifting to the northeast
5 to 8 mph early in the evening, then shifting
to the east 10 to 17 mph late in the evening.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........14 18 23 32 55 89
Weather cov..... CHANCE DEFNTE
Weather type....NONE NONE NONE NONE RNSHWR RNSHWR
Tstm cov........ CHANCE CHANCE
Temp............70 65 59 57 56 55
RH..............42 50 62 64 66 74
20 ft wind......NW 8 N 5 E 6 E 8 E 10 NE 12
20 ft wind gust.12 7 8 12 14 18
Mix hgt (ft)....3900 500 400 400 500 600
Transport wind..W 10 N 5 E 8 E 14 E 16 NE 16
.THURSDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Rain showers and
chance of thunderstorms in the morning, then
rain showers likely and slight chance of
thunderstorms in the afternoon.
Max temperature.....Around 56.
Min humidity........62 percent.
Wind (20 ft)........North winds 14 to 18 mph with gusts to around
29 mph. Gusty and erratic winds expected near
thunderstorms early in the morning. Gusty and
erratic winds expected near thunderstorms in
the late morning and early afternoon.
Mixing height.......3500 ft AGL.
Transport winds.....Northeast 22 to 29 mph shifting to the north
around 23 mph late in the afternoon.
TIME (CDT) 6 AM 9 AM NOON 3 PM
Sky (%).........92 90 94 84
Weather cov.....DEFNTE DEFNTE LIKELY CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........CHANCE CHANCE S CHC S CHC
Temp............52 50 53 54
RH..............86 89 77 71
20 FT wind......NE 14G20 NE 18G26 N 18G25 N 17G25
Mix hgt (ft)....1200 1700 2100 3100
Transport wind..NE 22 NE 25 N 26 N 24
$$
Forecaster...Donavon
Requested by...Josh Rusk
Type of request...PRESCRIBED
.TAG 2411141.0/DMX
.DELDT 04/17/24
.FormatterVersion 2.0.0
.EMAIL josh.rusk@dnr.iowa.gov