516
FNUS73 KGRR 121042
FWSGRR

Spot Forecast for Stark Rd Piles...USFS
National Weather Service Grand Rapids MI
642 AM EDT Wed Mar 12 2025

Forecast is based on ignition time of 1000 EDT on March 12.
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...
  Any clouds this morning will clear as the day continues. Winds will be
slightly gusty this morning upwards of 20 mph this morning. Winds will
slacken this afternoon. Relative humidities will drop through the day,
dropping into the low 30s this afternoon.

.REST OF TODAY...

Sky/weather.........Mostly sunny (40-50 percent).
Temperature.........33 at ignition...Max 48.
RH..................56 percent at ignition...Min 34 percent.
Wind (20 ft)........Winds southeast at 9 mph at
                    ignition...otherwise Southeast winds 5 to 9
                    mph.
Mixing height.......1300 ft AGL at ignition...otherwise 3200 ft
                    AGL.
Mixing winds........Southeast 8 to 16 mph decreasing to around 5
                    mph in the evening.
Smoke dispersal.....210 /fair/ at ignition. Max...370 /good/.

TIME (EDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
Sky (%).........59     39     41     36     36     26
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............33     39     46     47     46     41
RH..............56     44     34     34     40     50
20 ft wind......SE 9   SE 9   SE 9   SE 7   SE 6   SE 5
20 ft wind gust.17     16     14     10     8      6
Mix hgt (ft)....1300   2000   2700   3000   1700   400
Mixing wind.....E 16   SE 16  SE 14  SE 10  SE 8   SE 6
Smoke disprsl...210    320    370    310    130    20

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (50-60 percent).
Temperature.........Min 28.
RH..................Max 81 percent.
Wind (20 ft)........Southeast winds around 5 mph becoming light.
Mixing height.......400 ft AGL.
Mixing winds........Southeast 6 to 8 mph.
Smoke dispersal.....20 (poor).

.THURSDAY...

Sky/weather.........Mostly sunny (40-50 percent).
Temperature.........Max 58.
RH..................Min 37 percent.
Wind (20 ft)........Light winds becoming southeast around 5 mph in
                    the afternoon, then becoming light in the
                    evening.
Mixing height.......3000 ft AGL.
Mixing winds........Southeast 5 to 8 mph.
Smoke dispersal.....20 (poor) early in the morning increasing to
                    200 (fair) in the afternoon.

$$
Forecaster...Ceru
Requested by...Rick Davis
Type of request...PRESCRIBED
.TAG 2506071.0/GRR
.DELDT 03/12/25
.FormatterVersion 2.0.0
.EMAIL richard.w.davis@usda.gov