FNUS73 KGRR 131343
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR HAPPY BLUE UNITS 3   4...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
943 AM EDT SAT JUL 13 2013

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

.DISCUSSION...HIGH PRESSURE WILL RESULT IN DRY WEATHER THROUGH THE WEEKEND.
SOUTHEAST WINDS DURING THE OVERNIGHT AND EARLY MORNING HOURS WILL SHIFT TO THE
WEST AND SOUTHWEST DURING THE AFTERNOON AND EVENING HOURS.

TODAY...THE SOUTHEAST WINDS EARLY THIS MORNING ARE EXPECTED TO SHIFT TO
THE WEST BY IGNITION TIME. THEY WILL REMAIN WESTERLY THROUGH EARLY EVENING
BEFORE SHIFTING BACK TO THE SOUTHEAST OVERNIGHT.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
TEMPERATURE.........79 AT IGNITION...MAX 84.
RH..................46 PERCENT AT IGNITION...MIN 37 PERCENT.
WIND (20 FT)........WINDS WEST AT 8 MPH AT IGNITION...OTHERWISE
                    WEST WINDS 8 TO 11 MPH.
MIXING WINDS........SOUTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......4400 FT AGL AT IGNITION...OTHERWISE MAX 5500-6000
                    FT AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 5.
SMOKE DISPERSAL.....440 (GOOD) AT IGNITION WITH MAX 550-600 (GOOD TO
                    EXCELLENT).

TIME (EDT)      1 PM   3 PM   5 PM   7 PM
SKY (%).........14     15     13     15
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............79     82     83     81
RH..............46     40     37     43
20 FT WIND......W 8    W 8    W 8    W 5
20 FT GUST......10     12     14
HAINES INDEX....4      4      5      3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
TEMPERATURE.........MIN 63.
RH..................MAX 84 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH BECOMING SOUTHEAST 3 MPH.
MIXING WINDS........SOUTHEAST 9 TO 12 MPH.
MIXING HEIGHT.......DECREASING TO 200 FT AGL.
HAINES INDEX........DECREASING TO 3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....DECREASING TO LESS THAN 100 (POOR).

.SUNDAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
TEMPERATURE.........MAX 86.
RH..................MIN 42 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH BECOMING WEST WINDS 5 TO
                    10 MPH.
MIXING WINDS........SOUTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......4700-5200 FT AGL.
HAINES INDEX........4 TO 5 OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....INCREASING TO 470-520 (GOOD).

$$
FORECASTER...NJJ
REQUESTED BY...KEVIN SHERRETZ
TYPE OF REQUEST...PRESCRIBED
.TAG 20130713.HAPPY.01/GRR