702
FNUS73 KGRR 061825
FWSGRR

Spot Forecast for Range 15 Rx...Fort Custer National Gaurd
National Weather Service Grand Rapids MI
225 PM EDT Mon May 6 2024

Forecast is based on ignition time of 1800 EDT on May 06.
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...Above normal temperatures are expected this afternoon
with highs around 70. Min RH values will fall to around 30 percent.
Winds aloft won`t begin to increase until tonight once the ridge moves
east.

.REST OF TODAY...

Sky/weather.........Mostly sunny (40-50 percent).
Temperature.........72 at ignition...Max 73.
RH..................33 percent at ignition...Min 33 percent.
Wind (20 ft)........Winds east at 12 mph at ignition...otherwise
                    East winds 10 to 12 mph.
Mixing height.......4600 ft AGL at ignition...otherwise 4600 ft
                    AGL.
Mixing winds........East around 13 mph.
Smoke dispersal.....580 /good/ at ignition. Max...580 /good/.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth at ignition...max 5.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........45     4      2      7      20     39
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............72     68     61     56     53     52
RH..............33     40     48     53     54     59
20 ft wind......E 12   E 10   SE 9   E 10   E 10   E 10
20 ft wind gust.16     15     14     14     16     14
Mix hgt (ft)....4600   800    500    400    400    400
Mixing wind.....E 13   E 12   E 12   E 12   E 13   E 13
Haines index....5      4      4      4      2      2
Smoke disprsl...580    90     50     50     60     60

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent) then becoming
                    mostly cloudy (50-60 percent).
Temperature.........Min 51.
RH..................Max 61 percent.
Wind (20 ft)........East winds 9 to 10 mph.
Mixing height.......400 ft AGL.
Mixing winds........East 12 to 15 mph.
Smoke dispersal.....50 (poor).
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.

.TUESDAY...

Sky/weather.........Partly sunny (55-65 percent) then becoming
                    mostly cloudy (75-85 percent). Rain showers
                    likely until midday, then rain showers and
                    chance of thunderstorms in the afternoon.
Temperature.........Max 73.
RH..................Min 55 percent.
Wind (20 ft)........Southeast winds 13 to 17 mph shifting to the
                    south around 14 mph in the evening. Gusty and
                    erratic winds expected near thunderstorms in
                    the afternoon.
Mixing height.......2400 ft AGL.
Mixing winds........Southeast 15 to 24 mph shifting to the south
                    around 15 mph in the evening.
Smoke dispersal.....90 (poor) early in the morning increasing to
                    540 (good) in the afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Felver
Requested by...Lee Osterland
Type of request...PRESCRIBED
.TAG 2413272.0/GRR
.DELDT 05/06/24
.FormatterVersion 2.0.0
.EMAIL osterlandlee@gmail.com