651
FNUS73 KGRR 261332
FWSGRR

Spot Forecast for 76th and Foreman...USFS
National Weather Service Grand Rapids MI
Issued by National Weather Service Detroit/Pontiac MI
832 AM EST Tue Nov 26 2024

Forecast is based on ignition time of 0900 EST on November 26.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (616) 949-5150, if you have questions
or concerns with this forecast.

.DISCUSSION...

.REST OF TODAY...

Sky/weather.........Mostly cloudy (65-75 percent).
Temperature.........31 at ignition...Max 34.
RH..................75 percent at ignition...Min 63 percent.
Wind (20 ft)........Winds west at 14 mph at ignition...otherwise
                    West winds 10 to 14 mph with gusts to around 28
                    mph.
Mixing height.......3100 ft AGL at ignition...otherwise 4100 ft
                    AGL.
Mixing winds........West 24 to 30 mph.
Smoke dispersal.....780 /excellent/ at ignition. Max...1220
                    /excellent/.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 4.

TIME (EST)      9 AM   11 AM  1 PM   3 PM   5 PM   7 PM
Sky (%).........80     73     63     65     75     74
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............29     31     31     33     32     30
RH..............81     72     69     63     63     72
20 ft wind......W 14   W 13   W 13   W 13   W 10   W 8
20 ft wind gust.28     24     25     24     23     18
Mix hgt (ft)....3100   3300   3500   3800   3900   3800
Mixing wind.....W 25   W 25   W 25   W 28   W 28   W 24
Haines index....4      4      4      4      4      4
Smoke disprsl...780    820    880    1050   1080   910

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent).
Temperature.........Min 24.
RH..................Max 88 percent.
Wind (20 ft)........West winds 5 to 8 mph until midnight becoming
                    light.
Mixing height.......600 ft AGL.
Mixing winds........West 16 to 24 mph decreasing to 8 to 15 mph
                    after midnight.
Smoke dispersal.....910 (excellent) early in the evening decreasing
                    to 50 (poor) late in the night.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.WEDNESDAY...

Sky/weather.........Partly sunny (60-70 percent).
Temperature.........Max 39.
RH..................Min 62 percent.
Wind (20 ft)........Light winds becoming west around 5 mph through
                    mid afternoon, then becoming light late in the
                    day.
Mixing height.......3300 ft AGL.
Mixing winds........West 6 to 12 mph shifting to the northwest
                    around 5 mph in the evening.
Smoke dispersal.....40 (poor) early in the morning increasing to
                    380 (good) in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Mann
Requested by...Joshua Nichols
Type of request...PRESCRIBED
.TAG 2427355.0/GRR
.DELDT 11/26/24
.FormatterVersion 2.0.0
.EMAIL Joshua.nichols@usda.gov