FNUS73 KGRR 131402
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR GRASS LAKE...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1002 AM EDT WED JUL 13 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON JULY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE BUILDING SOUTHEAST INTO OUR REGION WILL BRING FAIR
AND COOL WEATHER TODAY THROUGH THURSDAY. TEMPERATURES WILL UNDERGO
A SIGNIFICANT MODERATING TREND FRIDAY THROUGH THE WEEKEND.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
TEMPERATURE.........70 AT IGNITION...MAX 76.
RH..................61 PERCENT AT IGNITION...MIN 48 PERCENT.
WIND (20 FT)........WINDS NORTH AT 9 MPH AT IGNITION...OTHERWISE
                    NORTH WINDS 7 TO 12 MPH.
MIXING WINDS........NORTHEAST 13 TO 20 MPH.
MIXING HEIGHT.......4600 FT AGL AT IGNITION...OTHERWISE 4500-5000
                    FT AGL.
SMOKE DISPERSAL.....300-600 (GOOD TO EXCELLENT) INCREASING TO
                    600-800 (EXCELLENT TO EXCELLENT).

TIME (EDT)      1 PM   3 PM   5 PM   7 PM
SKY (%).........66     69     78     88
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............70     72     74     70
RH..............61     56     50     59
20 FT WIND......N 7    N 7    N 10   N 10
20 FT GUST......15     15     20     15

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT).
TEMPERATURE.........MIN 54.
RH..................MAX 93 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 10 MPH BECOMING LIGHT...THEN
                    BECOMING EAST UP TO 5 MPH EARLY IN THE MORNING.
MIXING WINDS........EAST 5 TO 13 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
TEMPERATURE.........MAX 79.
RH..................MIN 46 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH BECOMING LIGHT.

$$
FORECASTER...MARINO
REQUESTED BY...STEVE HATTING
TYPE OF REQUEST...PRESCRIBED
.TAG 20110713.GRASS.01/GRR