Spot Forecast
Issued by NWS Des Moines, IA

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Spot Forecast for Wagner...RES p/Iowa NRCS
National Weather Service Des Moines IA
918 AM CDT Fri May 17 2024

Forecast is based on ignition time of 1200 CDT on May 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...

Breezy south to southeast wind is expected today with gusts over
25 mph possible. Good mixing today will also promote lower
relative humidity values this afternoon.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 86.
Min humidity........33 percent.
Wind (20 ft)........South winds 16 to 18 mph.
Mixing height.......6400 ft AGL.
Transport winds.....Southwest 23 to 28 mph.
Smoke dispersal.....Excellent (63000 knot-ft).
GFDI................0.
Haines Index........5 to 6 or moderate to high potential for large
                    plume dominated fire growth.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........14  9   7   5   4   4
Weather cov.....
Weather type....
Tstm cov........
Temp............75  78  81  84  84  84
RH..............50  43  39  34  33  33
20 FT wind dir..S   S   S   S   S   S
20 FT wind spd..16  17  18  18  18  18
20 FT wind gust.23  25  25  26  28  28
Mix hgt (kft)...3.1 4.3 4.9 5.8 6.1 6.4
Transp wind dir.SW  SW  SW  S   S   S
Transp wind spd.23  25  28  28  28  28
GFDI............0   0   0   0   0   0
Haines index....6   5   5   5   5   5
SDspl kt-ft/100063  94  117 139 146 154

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 61.
Max humidity........75 percent.
Wind (20 ft)........South winds 14 to 18 mph.
Mixing height.......700 ft AGL.
Transport winds.....South 20 to 28 mph.
Smoke dispersal.....Excellent (132900 knot-ft) early in the evening
                    decreasing to good (39800 knot-ft) late in the
                    night decreasing to fair (14300 knot-ft) early
                    in the evening decreasing to poor (11200
                    knot-ft) late in the night early in the
                    evening.
GFDI................0.
Haines Index........5 to 6 or moderate to high potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........3      4      2      3      8      27
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............83     78     69     66     64     62
RH..............34     42     59     65     70     72
20 ft wind......S 18   S 16   S 15   S 14   S 14   S 14
20 ft wind gust.28     25     24     25     25     24
Mix hgt (ft)....5500   800    700    700    700    700
Transport wind..SW 28  S 20   S 21   S 21   S 21   S 20
GFDI............0      0      0      0      0      0
Haines index....5      6      6      6      6      6
SDspl kt-ft/1000133    14     13     13     12     11

.SATURDAY...

Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 81.
Min humidity........30 percent.
Wind (20 ft)........South winds 14 to 17 mph shifting to the
                    northwest 14 to 16 mph in the afternoon.
Mixing height.......5500 ft AGL.
Transport winds.....Southwest 20 to 24 mph shifting to the
                    northwest 15 to 23 mph in the late morning and
                    afternoon.
Smoke dispersal.....Poor (11200 knot-ft) early in the morning
                    increasing to excellent (74100 knot-ft) in the
                    afternoon.
GFDI................0.
Haines Index........4 to 6 or low to high potential for large plume
                    dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........39        26        19        11
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............61        70        77        80
RH..............78        63        52        36
20 FT wind......S 14G24   SW 17G26  W 16G24   NW 15G23
Mix hgt (ft)....700       2200      3700      5000
Transport wind..S 20      SW 24     NW 22     NW 16
GFDI............0         0         0         0
Haines index....6         5         5         4
SDspl kt-ft/100011        46        71        73

$$
Forecaster...Donavon
Requested by...Danny Simcox
Type of request...PRESCRIBED
.TAG 2414514.0/DMX
.DELDT 05/17/24
.FormatterVersion 2.0.0
.EMAIL dsimcox@res.us