FNUS73 KGRR 111214
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR JACK 37...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
814 AM EDT WED MAY 11 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON MAY 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
IT WILL BE VERY WARM TODAY THROUGH THURSDAY INTO FRIDAY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THIS TIME FRAME. IT
WILL TURN COOLER AND SHOWERY THIS WEEKEND.


.TODAY...

SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
                    AND THUNDERSTORMS.
TEMPERATURE.........72 AT IGNITION...MAX 77.
RH..................55 PERCENT AT IGNITION...MIN 55 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 12 MPH AT
                    IGNITION...OTHERWISE SOUTHEAST WINDS 6 TO 11
                    MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
MIXING WINDS........SOUTH 15 TO 22 MPH.
MIXING HEIGHT.......2300 FT AGL AT IGNITION...OTHERWISE 5400-5900
                    FT AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 4.
SMOKE DISPERSAL.....100-400 (POOR TO GOOD) INCREASING TO 1100-1300
                    (EXCELLENT TO EXCELLENT).

TIME (EDT)      1 PM   3 PM   5 PM   7 PM
SKY (%).........60     60     60     60
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............72     75     76     74
RH..............55     55     56     62
20 FT WIND......SE 10  SE 9   SE 8   SE 7
20 FT GUST......20     15     15     15
HAINES INDEX....4      4      4      4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
TEMPERATURE.........MIN 60.
RH..................MAX 90 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 11 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING WINDS........SOUTH 10 TO 18 MPH SHIFTING TO THE SOUTHEAST 7
                    TO 13 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......3900-4400 FT AGL DECREASING TO 1000-1500 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.....400-800 (GOOD TO EXCELLENT) DECREASING TO 0-200
                    (POOR TO FAIR).

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
TEMPERATURE.........MAX 81.
RH..................MIN 56 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
MIXING WINDS........SOUTHWEST 12 TO 20 MPH.
MIXING HEIGHT.......4600-5100 FT AGL.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....100-300 (POOR TO GOOD) INCREASING TO 600-1000
                    (EXCELLENT TO EXCELLENT) IN THE
                    AFTERNOON...THEN DECREASING TO 500 (GOOD) IN
                    THE EVENING.

$$
FORECASTER...MJS
REQUESTED BY...BOB LITTLE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110511.JACK3.01/GRR