FNUS73 KGRR 221253
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR MACK LAKE...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
853 AM EDT FRI MAY 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON MAY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...TEMPERATURES WILL BE 10 DEGREES COOLER TODAY
COMPARED TO THURSDAY. LIGHT RAIN SHOWERS WILL END THIS MORNING
LEAVING A MIX OF CLOUDS AND SUNSHINE FOR THE AFTERNOON.


.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
                    MOSTLY SUNNY (40-50 PERCENT). NUMEROUS RAIN
                    SHOWERS IN THE MORNING.
TEMPERATURE.........65 AT IGNITION...MAX 70.
RH..................46 PERCENT AT IGNITION...MIN 34 PERCENT.
WIND (20 FT)........WINDS EAST AT 11 MPH AT IGNITION...OTHERWISE
                    SOUTHEAST WINDS 5 TO 8 MPH BECOMING LIGHT.
MIXING WINDS........EAST 5 TO 13 MPH SHIFTING TO THE SOUTHEAST
                    AROUND 3 MPH LATE IN THE DAY.
MIXING HEIGHT.......3900 FT AGL AT IGNITION...OTHERWISE 4500-5000
                    FT AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 5.
SMOKE DISPERSAL.....100-400 (POOR TO GOOD).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS OVERNIGHT.
TEMPERATURE.........MIN 47.
RH..................MAX 83 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 7 TO 12 MPH.
MIXING WINDS........SOUTHEAST 1 TO 8 MPH.
MIXING HEIGHT.......3800-4300 FT AGL DECREASING TO 1100-1600 FT
                    AGL.
HAINES INDEX........3 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.....0-100 (POOR TO POOR).

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN
                    SHOWERS.
TEMPERATURE.........MAX 71.
RH..................MIN 42 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 11 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING WINDS........NORTH 5 TO 13 MPH.
MIXING HEIGHT.......2400-2900 FT AGL.
HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....0-400 (POOR TO GOOD).

$$
FORECASTER...BIELINSKI/HOVING
REQUESTED BY...JOHN HUSCHKE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090522.MACKL.01/GRR