FNUS73 KGRR 122234
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR POWER LINE RX...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
634 PM EDT SUN APR 12 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A LOW PRESSURE SYSTEM MOVING THROUGH THE OHIO VALLEY MONDAY INTO
TUESDAY WILL TRY TO PUSH RAIN SHOWERS INTO SOUTHERN LOWER
MICHIGAN. DRY AIR IN PLACE ACROSS THE AREA WILL ACT TO ERODE THE
RAIN AS IT ADVANCES. THE BEST CHANCE FOR RAIN WILL BE IN THE FAR
SOUTH TOWARD THE INTERSTATE 94 CORRIDOR MONDAY AFTERNOON INTO
TUESDAY MORNING. IN ADDITION...EAST WINDS WILL INCREASE FROM THE
EAST MONDAY AFTERNOON TO 15 TO 25 MPH.

HIGH FIRE DANGER WILL CONTINUE THIS WEEK AS CONDITIONS SHOULD BE
MAINLY DRY. FUELS ARE RATHER DRY...BUT SOIL MOISTURE REMAINS
ELEVATED.

.MONDAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
TEMPERATURE.........36 AT IGNITION...MAX 51.
RH..................36 PERCENT AT IGNITION...MIN 30 PERCENT.
WIND (20 FT)........WINDS EAST AT 17 MPH AT IGNITION...OTHERWISE
                    EAST WINDS 13 TO 18 MPH.
MIXING WINDS........EAST 16 TO 25 MPH.
MIXING HEIGHT.......1300 FT AGL AT IGNITION...OTHERWISE 1400-1900
                    FT AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 4.
SMOKE DISPERSAL.....FAIR /200 KNOT-FT/ AT IGNITION. MAX...GOOD /400
                    KNOT-FT/.

.MONDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).
TEMPERATURE.........MIN 32.
RH..................MAX 61 PERCENT.
WIND (20 FT)........EAST WINDS 11 TO 16 MPH.
MIXING WINDS........EAST 17 TO 26 MPH DECREASING TO AROUND 16 MPH
                    TOWARD DAYBREAK.
MIXING HEIGHT.......800-1300 FT AGL.
HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....POOR TO GOOD (100-300 KNOT-FT).

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).
TEMPERATURE.........MAX 55.
RH..................MIN 35 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 13 TO 18 MPH.
MIXING WINDS........NORTHEAST 17 TO 25 MPH.
MIXING HEIGHT.......5000-5500 FT AGL.
HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....POOR TO GOOD (100-500 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (1000-1200 KNOT-FT).

$$
FORECASTER...93
REQUESTED BY...KORY BORGMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090413.POWER.02/GRR