FNUS73 KGRR 101222
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR HORSE TRACK...MI DNR
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
822 AM EDT THU MAY 10 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON MAY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL BRING SOUTHWEST MICHIGAN WARM
DAYS AND COOLISH NIGHTS. HIGH TEMPERATURES WILL BE IN THE 60S
TODAY...THEN AROUND 70 ON FRIDAY. MEANWHILE...LOWS WILL BE IN THE
UPPER 30 TO LOWER 40S. THE NEXT CHANCE OF RAIN WILL HOLD OFF UNTIL
LATE FRIDAY NIGHT INTO SATURDAY AS A WEAK COLD FRONT COMES ACROSS
THE REGION.


.TODAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
TEMPERATURE.........56 AT IGNITION...MAX 64.
RH..................43 PERCENT AT IGNITION...MIN 30 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 9 MPH AT
                    IGNITION...OTHERWISE NORTHWEST WINDS 6 TO 11
                    MPH.
MIXING WINDS........NORTH 10 TO 18 MPH INCREASING TO 17 TO 20 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 5.
SMOKE DISPERSAL.....100-300 (POOR TO GOOD) INCREASING TO 600-1000
                    (EXCELLENT TO EXCELLENT) FROM LATE MORNING
                    THROUGH EARLY AFTERNOON...THEN INCREASING TO
                    1300-1700 (EXCELLENT TO EXCELLENT) FROM LATE
                    MORNING THROUGH EARLY AFTERNOON INCREASING TO
                    1500-1800 (EXCELLENT TO EXCELLENT) IN THE
                    AFTERNOON DECREASING TO 1200 (EXCELLENT).

TIME (EDT)      11 AM  1 PM   3 PM   5 PM   7 PM
SKY (%).........7      36     39     23     6
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............56     60     63     63     61
RH..............43     39     32     30     32
20 FT WIND......NW 9   NW 11  NW 12  NW 12  NW 9
20 FT GUST......10     15     15     15     10
HAINES INDEX....4      4      4      5      5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
TEMPERATURE.........MIN 38.
RH..................MAX 73 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 7 MPH IN THE EVENING BECOMING
                    LIGHT...THEN BECOMING SOUTHWEST UP TO 5 MPH
                    AFTER MIDNIGHT.
MIXING WINDS........NORTHWEST 7 TO 15 MPH SHIFTING TO THE SOUTHWEST
                    2 TO 7 MPH AFTER MIDNIGHT.

$$
FORECASTER...MARINO
REQUESTED BY...JIM FISHER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120510.HORSE.01/GRR