Suppression Forecast
Issued by NWS St. Louis, MO

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FNUS73 KLSX 171401
FWSLSX

Spot Forecast for Prairie Unit 6...Missouri Dept of Conservation
National Weather Service Saint Louis MO
901 AM CDT Tue Oct 17 2017

Forecast is based on ignition time of 1000 CDT on October 18.
If conditions become unrepresentative, contact the
National Weather Service.

.DISCUSSION...
Winds are expected to be south to perhaps southwesterly on
Wednesday, but are expected to remain below 10 mph. Afternoon
relative humidity levels are somewhat uncertain. However, expect
moisture to increase somewhat today and Wednesday resulting
in afternoon minimum levels around 29 percent. The next chance for
rain is late Saturday night into Sunday morning.

.WEDNESDAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Temperature.........58 at ignition...Max 74.
RH..................62 percent at ignition...Min 29 percent.
Wind (20 ft)........Winds south at 6 mph at ignition...otherwise
                    South winds 6 to 8 mph.
Eye level winds.....South around 3 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......700 ft AGL at ignition, 3400 ft AGL at max
                    heating.
Transport winds.....South around 16 mph.
Smoke dispersal.....Fair (7460 m/s-m) at max heating.

TIME (CDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
Sky (%).........4      3      3      2      4      5
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............58     66     72     74     69     62
RH..............62     47     37     34     42     58
20 ft wind......S 6    S 7    S 7    S 8    S 7    S 6
20 ft wind gust.              8      10

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Temperature.........Min 50.
RH..................Max 90 percent.
Wind (20 ft)........South winds 5 to 6 mph until late evening
                    becoming light.
Eye level winds.....South around 2 mph becoming light.
Haines Index........N/A.
Mixing height.......N/A.
Transport winds.....N/A.
Smoke dispersal.....N/A.

.THURSDAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Temperature.........Max 80.
RH..................Min 32 percent.
Wind (20 ft)........Light southwest winds.
Eye level winds.....Light southwest winds.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......3500 ft AGL at max heating.
Transport winds.....Southwest around 12 mph.
Smoke dispersal.....Poor (5440 m/s-m) at max heating.

$$
Forecaster...Tilly
Requested by...Jessi Tapp
Type of request...PRESCRIBED
.TAG 1717371.0/LSX



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