Text Products for FWS Issued by DMX

Spot Forecast
Issued by NWS Des Moines, IA
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FNUS73 KDMX 151653
FWSDMX

Spot Forecast for Diamond Lake Timber Burn...Poweshiek County Conservation
National Weather Service Des Moines IA
1153 AM CDT Mon Apr 15 2024

Forecast is based on ignition time of 1300 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 can be expected today with warm
temperatures, very low humidities, and breezy southeast winds
gusting 20 to 25 mph. Gusts up to 30 mph possible, at times. RH
values will drop into the low 20s. Only seasonally decreasing
curing values and somewhat maturing fuels have kept GFDI values
from very high to extreme values today.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 79.
Min humidity........24 percent.
Wind (20 ft)........East winds 15 to 16 mph.
Mixing height.......4000 ft AGL.
Transport winds.....East 18 to 21 mph.
Smoke dispersal.....Good (57700 knot-ft) early in the morning
                    increasing to excellent (71900 knot-ft) in the
                    afternoon.
GFDI................6.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      1 PM         5 PM
Sky (%).........2            4
Weather cov.....
Weather type....NONE         NONE
Tstm cov........
Temp............74           79
RH..............27           25
20 FT wind......E 15G21      E 16G23
Mix hgt (ft)....3600         4000
Transport wind..E 18         E 21
GFDI............5            7
Haines index....5            5
SDspl kt-ft/100058           72

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (70-80 percent). Rain showers and
                    chance of thunderstorms overnight.
Min temperature.....Around 56.
Max humidity........72 percent.
Wind (20 ft)........East winds 15 to 20 mph. Gusty and erratic
                    winds expected near thunderstorms overnight.
                    Gusty and erratic winds expected near
                    thunderstorms overnight.
Mixing height.......600 ft AGL.
Transport winds.....East 18 to 25 mph shifting to the southeast
                    around 28 mph early in the morning.
Smoke dispersal.....Excellent (70100 knot-ft) early in the evening
                    decreasing to poor (9800 knot-ft) late in the
                    night.
GFDI................5.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (CDT)      6 PM         10 PM        2 AM
Sky (%).........6            49           80
Weather cov.....                          CHANCE
Weather type....NONE         NONE         RNSHWR
Tstm cov........                          CHANCE
Temp............77           66           63
RH..............26           47           56
20 FT wind......E 16G24      E 16G28      E 18G29
Mix hgt (ft)....3700         600          700
Transport wind..E 22         E 23         SE 23
GFDI............7            5            4
Haines index....5            4            3
SDspl kt-ft/100070           12           14

$$
Forecaster...Jimenez
Requested by...Cole Rozendaal
Type of request...PRESCRIBED
.TAG 2410951.0/DMX
.DELDT 04/15/24
.FormatterVersion 2.0.0
.EMAIL crozen@poweshiekcounty.org
National Weather Service Weather Forecast Office
