920
FNUS73 KDMX 061652
FWSDMX

Spot Forecast for Fisher...RES - p/ Iowa NRCS
National Weather Service Des Moines IA
1152 AM CDT Mon May 6 2024

Forecast is based on ignition time of 1400 CDT on May 06.
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...

Southeast winds are expected through the afternoon, gusty at
times. Relative humidity minimum values are expected to be around
50 percent in the mid afternoon. No rain is expected until well
after dark.


.REST OF TODAY...

Sky/weather.........Partly sunny (55-65 percent).
Temperature.........68 at ignition...Max 72.
RH..................54 percent at ignition...Min 49 percent.
Wind (20 ft)........Winds southeast at 18 mph at
                    ignition...otherwise Southeast winds 18 to 21
                    mph.
Mixing height.......3600 ft AGL at ignition...otherwise 4300 ft
                    AGL.
Transport winds.....Southeast 26 to 29 mph.
Smoke dispersal.....Excellent /82400 knot-ft/ at ignition.
                    Max...excellent /107500 knot-ft/.
GFDI................0.
Haines Index........3 or very low potential for large plume
                    dominated fire growth at ignition...max 3.

TIME (CDT)      2PM 3PM 4PM 5PM
Sky (%).........66  65  55  55
Weather cov.....
Weather type....
Tstm cov........
Temp............68  70  71  72
RH..............54  51  51  49
20 FT wind dir..SE  SE  SE  SE
20 FT wind spd..18  20  21  21
20 FT wind gust.26  28  29  28
Mix hgt (kft)...3.6 3.8 4.3 4.0
Transp wind dir.SE  SE  SE  SE
Transp wind spd.26  28  29  29
GFDI............0   0   0   0
Haines index....3   3   3   3
SDspl kt-ft/100082  92  108 99

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of
                    showers and thunderstorms in the evening, then
                    showers and thunderstorms overnight.
Temperature.........Min 54.
RH..................Max 93 percent.
Wind (20 ft)........Southeast winds 13 to 21 mph with gusts to
                    around 33 mph. Gusty and erratic winds expected
                    near thunderstorms late in the evening.
Mixing height.......700 ft AGL.
Transport winds.....Southeast 22 to 29 mph shifting to the south 17
                    to 20 mph after 3 am.
Smoke dispersal.....Excellent (86100 knot-ft) early in the evening
                    decreasing to poor (10100 knot-ft) late in the
                    night.
GFDI................0.
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 (%).........64     62     67     85     96     96
Weather cov.....                     LIKELY DEFNTE DEFNTE
Weather type....NONE   NONE   NONE   RNSHWR RNSHWR RNSHWR
Tstm cov........                     LIKELY DEFNTE DEFNTE
Temp............71     67     62     62     59     57
RH..............51     59     72     75     90     93
20 ft wind......SE 20  SE 17  SE 18  SE 21  SE 17  SE 14
20 ft wind gust.29     28     29     32     28     21
Mix hgt (ft)....3400   800    800    800    700    700
Transport wind..SE 29  SE 25  SE 24  SE 28  S 22   S 20
GFDI............0      0      0      0      0      0
Haines index....3      3      3      3      4      4
SDspl kt-ft/100086     18     17     19     14     12

.TUESDAY...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly sunny (30-40 percent). Chance of showers
                    and thunderstorms in the morning. Slight chance
                    of showers and thunderstorms in the afternoon.
Temperature.........Max 69.
RH..................Min 45 percent.
Wind (20 ft)........South winds around 13 mph shifting to the
                    southwest in the late morning and afternoon.
                    Gusty and erratic winds expected near
                    thunderstorms early in the morning. Gusty and
                    erratic winds expected near thunderstorms late
                    in the afternoon.
Mixing height.......7100 ft AGL.
Transport winds.....South 16 to 25 mph shifting to the southwest 25
                    to 30 mph in the afternoon.
Smoke dispersal.....Poor (10700 knot-ft) early in the morning
                    increasing to excellent (100000 knot-ft) in the
                    afternoon increasing to excellent (117900
                    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)      6 AM      9 AM      NOON      3 PM
Sky (%).........92        70        35        32
Weather cov.....CHANCE    S CHC               S CHC
Weather type....RNSHWR    RNSHWR    NONE      RNSHWR
Tstm cov........CHANCE    S CHC
Temp............56        59        63        67
RH..............93        80        62        47
20 FT wind......S 13G21   S 13G18   SW 15G22  SW 17G26
Mix hgt (ft)....800       2000      4300      6500
Transport wind..S 16      S 21      SW 28     SW 30
GFDI............0         0         0         0
Haines index....4         4         4         5
SDspl kt-ft/100011        36        100       166

$$
Forecaster...Cogil
Requested by...Danny Simcox
Type of request...PRESCRIBED
.TAG 2413265.0/DMX
.DELDT 05/06/24
.FormatterVersion 2.0.0
.EMAIL dsimcox@res.us