Suppression Forecast
Issued by NWS Grand Rapids, MI

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FNUS73 KGRR 011317
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR HAMLIN MARSH RX...US FOREST SERVICE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
ISSUED BY NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
917 AM EDT WED APR 1 2015

FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON APRIL 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
BEAUTIFUL WEATHER IS ON TAP FOR TODAY AS TEMPERATURES RISE INTO THE
UPPER 50S TO LOWER 60S. A PERIOD OF RAIN AND POTENTIALLY
THUNDERSTORMS IS EXPECTED EARLY THURSDAY MORNING THROUGH THURSDAY
EVENING AS A COLD FRONT SWEEPS THROUGH LOWER MICHIGAN.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
TEMPERATURE.........51 AT IGNITION...MAX 58.
RH..................48 PERCENT AT IGNITION...MIN 42 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 12 MPH AT IGNITION...OTHERWISE
                    SOUTH WINDS 12 TO 17 MPH.
MIXING WINDS........SOUTH 6 TO 15 MPH INCREASING TO AROUND 16 MPH.
MIXING HEIGHT.......2000 FT AGL AT IGNITION...OTHERWISE 2500-3000 FT
                    AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 5.
SMOKE DISPERSAL.....450-700 (GOOD TO EXCELLENT).

TIME (EDT)      1 PM   3 PM   5 PM   7 PM
SKY (%).........51     52     42     56
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............51     55     57     56
RH..............48     43     42     45
20 FT WIND......S 12   S 13   S 17   S 17
20 FT GUST......15     15     20     20
HAINES INDEX....4      4      5      4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
                    AND THUNDERSTORMS OVERNIGHT.
TEMPERATURE.........MIN 47.
RH..................MAX 74 PERCENT.
WIND (20 FT)........BREEZY. SOUTH WINDS 18 TO 23 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    OVERNIGHT.
MIXING WINDS........SOUTH 16 TO 24 MPH.
MIXING HEIGHT.......0-300 FT AGL.
HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT) THEN BECOMING
                    MOSTLY SUNNY (30-40 PERCENT). RAIN SHOWERS
                    LIKELY AND A CHANCE OF THUNDERSTORMS.
TEMPERATURE.........MAX 56.
RH..................MIN 61 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 11 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
MIXING WINDS........SOUTHWEST 14 TO 23 MPH BECOMING WEST 3 TO 12
                    MPH IN THE AFTERNOON...THEN SHIFTING TO THE
                    SOUTHWEST AROUND 6 MPH IN THE EVENING.
MIXING HEIGHT.......0-300 FT AGL.
HAINES INDEX........2 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.

$$
FORECASTER...DTX
REQUESTED BY...KEVIN WILSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20150401.HAMLI.01/GRR



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