FNUS73 KGRR 201613
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR CLUB 37 UNIT17...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1213 PM EDT MON JUL 20 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON JULY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEAK RIDGE OF HIGH PRESSURE OVER THE AREA TODAY
WILL GRADUALLY SLIDE EAST OF THE AREA THROUGH THE DAY ON TUESDAY. THERE
IS A SLIGHT CHANCE OF A POP-UP SHOWER TUESDAY AFTERNOON...HOWEVER MOST
OF THE AREA WILL REMAIN DRY ON TUESDAY. A FRONTAL SYSTEM WILL APPROACH
THE AREA TUESDAY NIGHT AND WEDNESDAY BRINGING A CHANCE OF RAIN TO THE
AREA.


.TUESDAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF
                    SHOWERS IN THE AFTERNOON.
TEMPERATURE.........75 AT IGNITION...MAX 80.
RH..................42 PERCENT AT IGNITION...MIN 36 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 12 MPH AT
                    IGNITION...OTHERWISE SOUTHEAST WINDS 8 TO 13
                    MPH.
MIXING WINDS........SOUTH 15 TO 20 MPH.
MIXING HEIGHT.......1700-2200 FT AGL INCREASING TO 7700 FT AGL AT
                    IGNITION...OTHERWISE 8900-9400 FT AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 4.
SMOKE DISPERSAL.....INCREASING TO 1200-1400 (EXCELLENT TO EXCELLENT).

.TUESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
                    SHOWERS OVERNIGHT.
TEMPERATURE.........MIN 59.
RH..................MAX 97 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 7 TO 12 MPH.
MIXING WINDS........SOUTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......6500 FT AGL DECREASING TO 200-700 FT AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
SMOKE DISPERSAL.....700-1100 (EXCELLENT TO EXCELLENT) DECREASING TO
                    0-300 (POOR TO GOOD).

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
TEMPERATURE.........MAX 78.
RH..................MIN 56 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 11 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING WINDS........SOUTH 8 TO 16 MPH.
MIXING HEIGHT.......2500-3000 FT AGL.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....100-500 (POOR TO GOOD).

$$
FORECASTER...JERUZAL
REQUESTED BY...JOHN HUSCHKE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090721.CLUB3.01/GRR