Suppression Forecast
Issued by NWS Grand Rapids, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5
391
FNUS73 KGRR 051025
FWSGRR

Spot Forecast for Peacock Unit 7...USFS
National Weather Service Grand Rapids MI
625 AM EDT Mon May 5 2025

Forecast is based on ignition time of 0700 EDT on May 05.
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...
Light rain showers in the area are diminishing. Some brief and
isolated showers could persist through afternoon but the chance of
it affecting the spot is low. There could be some breaks in the
clouds from time to time. Winds are expected to be from the east
and mixing conditions should become decent by late morning. The
chance of rain showers on Tuesday will be higher than it is today.

.REST OF TODAY...

Sky/weather.........Partly sunny (65-75 percent). Chance of rain
                    showers early in the morning, then slight
                    chance of rain showers in the morning.
Temperature.........49 at ignition...Max 67.
RH..................74 percent at ignition...Min 54 percent.
Wind (20 ft)........Winds east at 8 mph at ignition...otherwise
                    East winds 5 to 8 mph. Gusts up to 20 mph early
                    in the morning.
Mixing height.......500 ft AGL at ignition...otherwise 4200 ft AGL.
Mixing winds........East 13 to 20 mph decreasing to 6 to 10 mph in
                    the afternoon.
Smoke dispersal.....60 /poor/ at ignition. Max...400 /good/.

TIME (EDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........76     67     80     64     56     63
Weather cov.....CHANCE S CHC  S CHC
Weather type....RNSHWR RNSHWR RNSHWR NONE   NONE   NONE
Tstm cov........
Temp............49     52     56     60     64     66
RH..............74     80     72     64     58     54
20 ft wind......E 8    E 8    E 7    E 7    E 6    E 6
20 ft wind gust.20     18     17     16     15     14
Mix hgt (ft)....500    2000   2400   2800   3600   4200
Mixing wind.....E 13   E 20   E 15   E 10   E 7    E 7
Smoke disprsl...60     400    350    280    250    290

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    rain showers overnight. Chance of rain showers
                    toward daybreak.
Temperature.........Min 48.
RH..................Max 93 percent.
Wind (20 ft)........East winds around 5 mph in the evening becoming
                    light.
Mixing height.......400 ft AGL.
Mixing winds........Northeast 5 to 10 mph.
Smoke dispersal.....20 (poor).

$$
Forecaster...Scholten
Requested by...Brian Stearns
Type of request...PRESCRIBED
.TAG 2512915.0/GRR
.DELDT 05/05/25
.FormatterVersion 2.0.0
.EMAIL dean.chambers@usda.gov,brian.stearns@usda.gov