502
FNUS73 KDMX 121904
FWSDMX

Spot Forecast for S-290 TEST...USFWS
National Weather Service Des Moines IA
204 PM CDT Wed Jun 12 2024

Forecast is based on ignition time of 1300 CDT on June 12.
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...

Test Discussion. Strong winds....

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent).
Max temperature.....Around 92.
Min humidity........41 percent.
Wind (20 ft)........Southwest winds 14 to 16 mph.
Mixing height.......5800 ft AGL.
Transport winds.....Southwest 21 to 26 mph.
Smoke dispersal.....Excellent (68000 knot-ft).
GFDI................0.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
Sky (%).........50  59  64  56  41
Weather cov.....
Weather type....
Tstm cov........
Temp............88  89  89  90  89
RH..............42  41  42  41  42
20 FT wind dir..SW  SW  SW  SW  S
20 FT wind spd..16  15  15  14  15
20 FT wind gust.23  21  21  18  21
Mix hgt (kft)...4.9 5.4 5.8 5.4 3.8
Transp wind dir.SW  SW  SW  SW  SW
Transp wind spd.26  26  25  24  21
GFDI............0   0   0   0   0
Haines index....5   5   5   5   5
SDspl kt-ft/1000112 123 128 113 68

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 69.
Max humidity........80 percent.
Wind (20 ft)........South winds 6 to 15 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......600 ft AGL.
Transport winds.....Southwest 12 to 21 mph.
Smoke dispersal.....Good (42900 knot-ft) early in the evening
                    decreasing to poor (5500 knot-ft) late in the
                    night.
GFDI................0.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........28     20     14     12     6      4
Weather cov.....S CHC  S CHC  CHANCE S CHC
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR NONE   NONE
Tstm cov........S CHC  S CHC  CHANCE S CHC
Temp............89     85     81     77     75     71
RH..............42     48     55     61     68     77
20 ft wind......S 15   S 12   S 10   S 12   S 9    S 7
20 ft wind gust.21     22     21     22     17     16
Mix hgt (ft)....2400   600    600    600    600    600
Transport wind..SW 21  S 16   S 17   SW 16  SW 16  SW 12
GFDI............0      0      0      0      0      0
Haines index....5      4      4      4      4      4
SDspl kt-ft/100043     8      9      8      8      6

.THURSDAY...

Sky/weather.........Sunny (20-30 percent). Slight chance of showers
                    and thunderstorms late in the afternoon. Chance
                    of showers and thunderstorms late in the
                    afternoon.
Max temperature.....Around 93.
Min humidity........41 percent.
Wind (20 ft)........Southwest winds 5 to 6 mph shifting to the
                    northeast 7 to 12 mph in the afternoon. Gusty
                    and erratic winds expected near thunderstorms
                    in the afternoon.
Mixing height.......4400 ft AGL.
Transport winds.....Southwest 7 to 10 mph shifting to the northeast
                    7 to 12 mph in the afternoon.
Smoke dispersal.....Poor (4200 knot-ft) early in the morning
                    increasing to good (43900 knot-ft) in the
                    afternoon.
GFDI................0.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........9         23        37        32
Weather cov.....                              S CHC
Weather type....NONE      NONE      NONE      RNSHWR
Tstm cov........                              S CHC
Temp............70        78        89        91
RH..............82        72        52        43
20 FT wind......S 6G13    SW 5G10   NE 7G10   NE 9G15
Mix hgt (ft)....500       1300      3000      4200
Transport wind..SW 9      W 7       N 7       NE 12
GFDI............0         0         0         0
Haines index....4         4         4         4
SDspl kt-ft/10004         8         18        44

$$
Forecaster...Fowle
Requested by...Ryan Harr
Type of request...PRESCRIBED
.TAG 2416028.0/DMX
.DELDT 06/12/24
.FormatterVersion 2.0.0
.EMAIL ryan.harr@dnr.iowa.gov