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000
FNUS73 KDMX 151007
FWSDMX

Spot Forecast for DeKalb East...Iowa DNR
National Weather Service Des Moines IA
507 AM CDT Mon Apr 15 2024

Forecast is based on ignition time of 0800 CDT on April 15.
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...

Elevated fire weather conditions expected today with minimum
relative humidity values falling towards 25%, continued warm
temperatures, and increasing winds out of the southeast into this
afternoon. The stronger wind gusts will be likely be north and west
of the location of this spot request, but wind gusts may still
near 25 mph late this afternoon.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 83.
Min humidity........25 percent.
Wind (20 ft)........Southeast winds 9 to 16 mph.
Mixing height.......4200 ft AGL.
Transport winds.....Southeast 17 to 25 mph.
Smoke dispersal.....Poor (7900 knot-ft) early in the morning
                    increasing to excellent (90800 knot-ft) in the
                    afternoon.
GFDI................3.
Haines Index........4 to 6 or low to high potential for large plume
                    dominated fire growth.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........3   2   2   3   3   3   4   9   12  19
Weather cov.....
Weather type....
Tstm cov........
Temp............56  60  68  72  75  78  81  83  83  83
RH..............47  42  33  29  27  26  25  25  26  28
20 FT wind dir..E   E   E   E   SE  SE  SE  SE  SE  SE
20 FT wind spd..9   13  13  14  14  15  15  16  16  16
20 FT wind gust.18  21  21  21  21  21  22  23  24  24
Mix hgt (kft)...0.5 1.3 1.9 2.1 2.7 3.2 3.6 3.9 4.2 4.1
Transp wind dir.E   E   E   E   SE  SE  SE  SE  SE  SE
Transp wind spd.17  21  21  21  21  21  22  22  23  25
GFDI............1   2   3   3   4   4   4   5   5   5
Haines index....6   6   6   6   6   4   4   4   4   4
SDspl kt-ft/10008   23  35  37  48  58  68  74  85  91

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (65-75 percent). Chance of
                    showers and thunderstorms in the evening, then
                    showers with thunderstorms likely overnight.
Min temperature.....Around 61.
Max humidity........84 percent.
Wind (20 ft)........Southeast winds 14 to 15 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......500 ft AGL.
Transport winds.....Southeast 17 to 25 mph.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........32     66     77     78     74     82
Weather cov.....       CHANCE CHANCE CHANCE LIKELY DEFNTE
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........       CHANCE CHANCE CHANCE LIKELY CHANCE
Temp............82     76     71     68     66     65
RH..............29     37     47     57     68     75
20 ft wind......SE 15  E 14   E 15   SE 15  SE 15  SE 14
20 ft wind gust.24     23     25     24     22     22
Mix hgt (ft)....4000   600    600    600    600    800
Transport wind..SE 25  SE 17  SE 21  SE 22  SE 20  SE 20

.TUESDAY...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly sunny (40-50 percent). Showers with
                    thunderstorms likely.
Max temperature.....Around 73.
Min humidity........59 percent.
Wind (20 ft)........Southeast winds 16 to 22 mph shifting to the
                    south 21 to 23 mph with gusts to around 35 mph
                    late in the afternoon. Gusty and erratic winds
                    expected near thunderstorms early in the
                    morning. Gusty and erratic winds expected near
                    thunderstorms.
Mixing height.......4100 ft AGL.
Transport winds.....Southeast 21 to 29 mph shifting to the south 29
                    to 36 mph in the late morning and afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........83        87        79        49
Weather cov.....DEFNTE    DEFNTE    DEFNTE    DEFNTE
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........CHANCE    LIKELY    LIKELY    LIKELY
Temp............63        64        68        71
RH..............90        93        81        63
20 FT wind......SE 16G24  SE 21G30  S 22G32   S 23G35
Mix hgt (ft)....700       1500      2300      3500
Transport wind..SE 21     SE 28     S 31      S 36

$$
Forecaster...KCM
Requested by...Natural Resource Tech 2
Type of request...PRESCRIBED
.TAG 2410807.0/DMX
.DELDT 04/15/24
.FormatterVersion 2.0.0
.EMAIL Josh.rusk@dnr.iowa.gov