FNUS73 KGRR 121507
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR THE MUSHROOM...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1107 AM EDT TUE OCT 12 2010

FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON OCTOBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE ACROSS THE AREA TODAY WILL BRING A FAIR
AMOUNT OF SUNSHINE AFTER SOME CLOUDS THIS MORNING DISSIPATE. A
SERIES OF COLD FRONTS WILL MOVE THROUGH THE AREA FROM WEDNESDAY
THROUGH THURSDAY NIGHT. THIS WILL BRING GRADUALLY COOLER WEATHER
INTO THE AREA...AND PROVIDE SOME CHANCES OF RAINFALL. THE BEST
CHANCE WILL COME ON WEDNESDAY...WITH SOME LIGHT LAKE EFFECT
POSSIBLE WEDNESDAY NIGHT AND THURSDAY NEAR THE LAKESHORE.


.TODAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
                    SUNNY (60-70 PERCENT). AREAS OF FOG EARLY IN
                    THE MORNING.
TEMPERATURE.........62 AT IGNITION...MAX 69.
RH..................57 PERCENT AT IGNITION...MIN 52 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 4 MPH AT
                    IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTH
                    UP TO 5 MPH FROM LATE MORNING THROUGH EARLY
                    AFTERNOON...THEN BECOMING LIGHT THROUGH MID
                    AFTERNOON BECOMING SOUTHWEST 5 TO 10 MPH IN THE
                    AFTERNOON.
MIXING WINDS........EAST 2 TO 5 MPH SHIFTING TO THE NORTHWEST 5 TO
                    7 MPH IN THE AFTERNOON.
MIXING HEIGHT.......3400 FT AGL AT IGNITION...OTHERWISE 4200-4700
                    FT AGL DECREASING TO 2500 FT AGL IN THE
                    EVENING.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH AT IGNITION...MAX 4.
SMOKE DISPERSAL.....0-300 (POOR TO GOOD).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (80-90 PERCENT). SCATTERED RAIN
                    SHOWERS OVERNIGHT.
TEMPERATURE.........MIN 45.
RH..................MAX 100 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH SHIFTING TO THE
                    NORTHWEST 6 TO 11 MPH EARLY IN THE MORNING.
MIXING WINDS........NORTHEAST 2 TO 5 MPH SHIFTING TO THE SOUTHWEST
                    3 TO 5 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......1000-1500 FT AGL.
HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....0-100 (POOR TO POOR).

.WEDNESDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING PARTLY
                    SUNNY (55-65 PERCENT).
TEMPERATURE.........MAX 61.
RH..................MIN 60 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 12 TO 17 MPH.
MIXING WINDS........WEST 3 TO 7 MPH INCREASING TO NORTHWEST 12 TO
                    18 MPH.
MIXING HEIGHT.......2500-3000 FT AGL INCREASING TO 6500-7000 FT AGL
                    THROUGH MID AFTERNOON...THEN DECREASING TO 4800
                    FT AGL LATE IN THE DAY DECREASING TO 2600 FT
                    AGL IN THE EVENING.
HAINES INDEX........2 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....0-200 (POOR TO FAIR) INCREASING TO 500-900
                    (GOOD TO EXCELLENT) FROM LATE MORNING THROUGH
                    EARLY AFTERNOON...THEN INCREASING TO 1200-1300
                    (EXCELLENT TO EXCELLENT) LATE IN THE DAY
                    DECREASING TO 400-800 (GOOD TO EXCELLENT) LATE
                    IN THE DAY.

$$
FORECASTER...MARINO
REQUESTED BY...BOB LITTLE
TYPE OF REQUEST...PRESCRIBED
.TAG 20101012.THEMU.01/GRR