Spot Forecast
Issued by NWS Central Illinois

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FWSILX

Spot Forecast for Guzy LWR RX...Illinois Dept of Natural Resources
National Weather Service Lincoln IL
1038 PM CDT Wed Sep 11 2024

Forecast is based on ignition time of 1000 CDT on September 12.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (217) 732-3089 if you have questions
or concerns with this forecast.

.DISCUSSION...

Skies will be mostly sunny with high clouds. East winds at 5-10
mph, increasing during the afternoon. RH near 50% at ignition time
then dropping near 35% during the afternoon.


.THURSDAY...

Sky/weather.........Mostly sunny (45-55 percent).
Chance of pcpn......0 percent.
LAL.................1.
Temperature.........75 at ignition...Max 85.
RH..................52 percent at ignition...Min 36 percent.
Wind (20 ft)........Winds east at 8 mph at ignition...otherwise
                    East winds 6 to 9 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth at ignition...max 5.
Mixing height.......1000 ft AGL at ignition...otherwise 6400 ft
                    AGL.
Transport winds.....East 9 to 16 mph.
Smoke dispersal.....Poor /8400 knot-ft/ at ignition. Max...Good
                    /90200 knot-ft/.

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of
                    showers overnight.
Chance of pcpn......50 percent.
LAL.................1.
Temperature.........Min 62.
RH..................Max 93 percent.
Wind (20 ft)........East winds 7 to 9 mph.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Mixing height.......500 ft AGL.
Transport winds.....East 12 to 18 mph.
Smoke dispersal.....Poor (4700 knot-ft).

.FRIDAY...

Sky/weather.........Mostly cloudy (80-90 percent). Chance of
                    showers through the day. Slight chance of
                    thunderstorms late in the afternoon.
Chance of pcpn......50 percent.
LAL.................1 until 1600, then 2.
Temperature.........Max 73.
RH..................Min 79 percent.
Wind (20 ft)........East winds 9 to 12 mph. Gusty and erratic winds
                    expected near thunderstorms late in the
                    afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Mixing height.......2800 ft AGL.
Transport winds.....East 15 to 23 mph.
Smoke dispersal.....Poor (13100 knot-ft) early in the morning
                    increasing to Fair (55700 knot-ft) in the
                    afternoon.

$$
Forecaster...25
Requested by...Morgan Wood
Type of request...PRESCRIBED
.TAG 2422314.0/ILX
.DELDT 09/11/24
.FormatterVersion 2.0.0
.EMAIL morgan.wood@illinois.gov