FNUS73 KGRR 141256
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR SCHOOL SECTION LAKE...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
856 AM EDT TUE APR 14 2009

FORECAST IS BASED ON IGNITION TIME OF 1430 EDT ON APRIL 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A LOW PRESSURE SYSTEM TO OUR SOUTH WILL CONTINUE TO BRING RAIN
SHOWERS TO SOUTHERN AND CENTRAL LOWER MICHIGAN TODAY. THE BEST
CHANCE FOR SHOWERS WILL BE NEAR AND SOUTH OF INTERSTATE 96. THE
RAINFALL WILL BE MORE SCATTERED ACROSS CENTRAL LOWER MICHIGAN. THE
FIRE DANGER REMAINS HIGH PARTICULARLY NORTH OF A LINE FROM
MUSKEGON TO MT. PLEASANT WHERE PREDOMINANTELY DRY WEATHER WILL
CONTINUE AND WHERE MOST LOCATIONS HAVE NOT RECEIVED MEASURABLE
RAINFALL YET. DRY WEATHER IS ANTICIPATED MID TO LATE WEEK AND WILL
BE ACCOMPANIED BY A MODERATING TREND OF TEMPERATURES.

.TODAY...

SKY/WEATHER.........CLOUDY (95-100 PERCENT). CHANCE OF RAIN.
TEMPERATURE.........47 AT IGNITION...MAX 48.
RH..................38 PERCENT AT IGNITION...MIN 35 PERCENT.
WIND (20 FT)........WINDS NORTHEAST AT 15 MPH AT
                    IGNITION...OTHERWISE NORTHEAST WINDS 12 TO 18
                    MPH.
MIXING WINDS........NORTHEAST 16 TO 23 MPH.
MIXING HEIGHT.......2100 FT AGL AT IGNITION...OTHERWISE 2100-2600
                    FT AGL.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH AT IGNITION...MAX 4.
SMOKE DISPERSAL.....GOOD /400 KNOT-FT/ AT IGNITION. MAX...GOOD /500
                    KNOT-FT/ INCREASING TO GOOD TO EXCELLENT
                    (500-600 KNOT-FT) LATE IN THE DAY.

.TONIGHT...

SKY/WEATHER.........CLOUDY (90-100 PERCENT) THEN BECOMING PARTLY
                    CLOUDY (45-55 PERCENT).
TEMPERATURE.........MIN 33.
RH..................MAX 82 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 8 TO 13 MPH.
MIXING WINDS........NORTHEAST 13 TO 21 MPH.
MIXING HEIGHT.......1600-2100 FT AGL.
HAINES INDEX........3 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.....POOR TO GOOD (100-400 KNOT-FT).

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
TEMPERATURE.........MAX 58.
RH..................MIN 37 PERCENT.
WIND (20 FT)........EAST WINDS 7 TO 12 MPH.
MIXING WINDS........EAST 10 TO 18 MPH.
MIXING HEIGHT.......6100-6600 FT AGL.
HAINES INDEX........3 TO 6 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....POOR TO GOOD (100-400 KNOT-FT) INCREASING TO
                    GOOD TO EXCELLENT (500-900 KNOT-FT).

$$
FORECASTER...DUKE
REQUESTED BY...JOHN HUSCHKE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090414.SCHOO.01/GRR