Text Products for FWS Issued by DMX

Spot Forecast
Issued by NWS Des Moines, IA
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FNUS73 KDMX 232039
FWSDMX

Spot Forecast for Sheetz...USFWS
National Weather Service Des Moines IA
339 PM CDT Tue Apr 23 2024

Forecast is based on ignition time of 1600 CDT on April 23.
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 will continue through the afternoon, with
sustained winds of around 20 mph and gusts up to 35 mph. This, in
conjunction with humidities in the 25 to 30 percents may make
fires erratic at times. However, recent rainfalls and greening
fuels should help to negate rapid fire spread. Winds will steadily
diminish through the evening.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 69.
Min humidity........30 percent.
Wind (20 ft)........Northwest winds 20 to 21 mph with gusts to
                    around 32 mph.
Mixing height.......8600 ft AGL.
Transport winds.....Northwest around 33 mph.
Smoke dispersal.....Excellent (233100 knot-ft).
GFDI................1.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      4PM 5PM
Sky (%).........16  19
Weather cov.....
Weather type....
Tstm cov........
Temp............67  66
RH..............30  32
20 FT wind dir..NW  NW
20 FT wind spd..21  20
20 FT wind gust.32  29
Mix hgt (kft)...8.6 8.0
Transp wind dir.NW  NW
Transp wind spd.33  33
GFDI............1   1
Haines index....5   5
SDspl kt-ft/1000249 233

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....Around 36.
Max humidity........92 percent.
Wind (20 ft)........Northwest winds 9 to 18 mph shifting to the
                    north 8 to 9 mph overnight.
Mixing height.......500 ft AGL.
Transport winds.....Northwest 24 to 31 mph becoming north 14 to 18
                    mph early in the evening.
Smoke dispersal.....Excellent (188300 knot-ft) decreasing to good
                    (54600 knot-ft) early in the evening decreasing
                    to poor (6000 knot-ft) late in the night.
GFDI................1.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........11     7      4      3      6      7
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............64     57     51     48     44     40
RH..............32     43     59     65     79     89
20 ft wind......NW 18  NW 13  NW 9   N 8    N 8    N 8
20 ft wind gust.28     21     15     15     14     14
Mix hgt (ft)....7000   800    500    500    500    1000
Transport wind..NW 31  NW 18  N 14   N 15   N 14   N 15
GFDI............1      0      0      0      0      0
Haines index....5      4      4      4      3      3
SDspl kt-ft/1000188    13     6      7      7      13

.WEDNESDAY...

Sky/weather.........Sunny (5-15 percent). Areas of frost early in
                    the morning.
Max temperature.....Around 62.
Min humidity........30 percent.
Wind (20 ft)........Northeast winds 6 to 8 mph shifting to the east
                    around 6 mph late in the afternoon.
Mixing height.......4600 ft AGL.
Transport winds.....Northeast 7 to 14 mph.
Smoke dispersal.....Poor (7200 knot-ft) early in the morning
                    increasing to fair (27400 knot-ft) in the
                    afternoon.
GFDI................0.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........6         10        3         4
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............38        42        55        61
RH..............89        67        41        32
20 FT wind......N 8G13    NE 7G10   NE 7G10   E 6G8
Mix hgt (ft)....700       1800      3200      4300
Transport wind..N 13      NE 10     N 7       NE 7
GFDI............0         0         0         0
Haines index....3         4         4         5
SDspl kt-ft/10007         16        19        25

$$
Forecaster...Dodson
Requested by...Erik Acker
Type of request...PRESCRIBED
.TAG 2412052.0/DMX
.DELDT 04/23/24
.FormatterVersion 2.0.0
.EMAIL Erik_acker@fws.gov
National Weather Service Weather Forecast Office
