796
FNUS73 KGRR 171409
FWSGRR

Spot Forecast for BU 12...DMVA
National Weather Service Grand Rapids MI
1009 AM EDT Thu Apr 17 2025

Forecast is based on ignition time of 1100 EDT on April 17.
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...
Looks like we may see a bit more cloud cover than previously
expected but the southerly winds of 10 to 20 mph with a few higher
gusts are still on track. Highs near 65 with min RH near 30 percent
expected. Scattered showers arriving tonight.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (60-70 percent).
Temperature.........52 at ignition...Max 65.
RH..................41 percent at ignition...Min 30 percent.
Wind (20 ft)........Winds south at 10 mph at ignition...otherwise
                    South winds 10 to 15 mph.
Mixing height.......1700 ft AGL at ignition...otherwise 3700 ft
                    AGL.
Smoke dispersal.....280 /fair/ at ignition. Max...830 /excellent/.

TIME (EDT)      11 AM  1 PM   3 PM   5 PM   7 PM   9 PM
Sky (%).........63     60     63     72     82     87
Weather cov.....                                   CHANCE
Weather type....NONE   NONE   NONE   NONE   NONE   RNSHWR
Tstm cov........
Temp............52     60     63     65     62     58
RH..............41     31     30     31     35     44
20 ft wind......S 10   S 13   S 13   S 15   S 13   S 14
20 ft wind gust.17     18     20     24     24     23
Mix hgt (ft)....1700   2500   3300   3600   1500   700
Smoke disprsl...280    460    680    830    310    130

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    showers through the night. Slight chance of
                    thunderstorms toward daybreak.
Temperature.........Min 54.
RH..................Max 72 percent.
Wind (20 ft)........South winds 14 to 16 mph with gusts to around
                    29 mph. Gusty and erratic winds expected near
                    thunderstorms toward daybreak.
Mixing height.......700 ft AGL.
Smoke dispersal.....130 (fair).

.FRIDAY...

Sky/weather.........Partly sunny (60-70 percent). Slight chance of
                    rain showers until midday.
Temperature.........Max 77.
RH..................Min 55 percent.
Wind (20 ft)........Southwest winds 16 to 18 mph with gusts to
                    around 33 mph.
Mixing height.......3400 ft AGL.
Smoke dispersal.....240 (fair) early in the morning increasing to
                    1010 (excellent) in the afternoon.

$$
Forecaster...Meade
Requested by...Michele Richards
Type of request...PRESCRIBED
.TAG 2510879.0/GRR
.DELDT 04/17/25
.FormatterVersion 2.0.0
.EMAIL richardsm2@michigan.gov