FNUS73 KGRR 081250
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR JACKPINE BUDWORM...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
850 AM EDT SUN MAY 8 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON MAY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
DRY EAST WINDS AND QUITE A BIT OF SUN WILL RESULT IN MINIMUM
RELATIVE HUMIDITIES FALLING TO 25 TO 35 PERCENT THIS AFTERNOON AND
AGAIN MONDAY AFTERNOON. SOME SHOWERS AND THUNDERSTORMS ARE
ANTICIPATED MONDAY NIGHT.

THE CHANCE OF FOG PATCHES DEVELOPING TONIGHT IS NOT ZERO...
BUT IT IS UNLIKELY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
TEMPERATURE.........64 AT IGNITION...MAX 71.
RH..................35 PERCENT AT IGNITION...MIN 25 PERCENT.
WIND (20 FT)........WINDS EAST AT 9 MPH AT IGNITION...OTHERWISE
                    EAST WINDS 5 TO 10 MPH.
MIXING WINDS........EAST 6 TO 14 MPH.
MIXING HEIGHT.......1000-1500 FT AGL INCREASING TO 5000 FT AGL AT
                    IGNITION...OTHERWISE 6000-6500 FT AGL...THEN
                    DECREASING IN THE EVENING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 5.
SMOKE DISPERSAL.....0-300 (POOR TO GOOD) INCREASING TO 600-1000
                    (EXCELLENT).

TIME (EDT)      1 PM   3 PM   5 PM   7 PM
SKY (%).........5      10     15     15
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............64     68     71     66
RH..............35     30     25     30
20 FT WIND......E 7    E 5    E 6    E 6
20 FT GUST......15            10     10
HAINES INDEX....4      4      4      4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
TEMPERATURE.........MIN 39.
RH..................MAX 76 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 10 MPH.
MIXING WINDS........EAST 8 TO 15 MPH.
MIXING HEIGHT.......4500-5000 FT AGL DECREASING TO 0-400 FT AGL.
HAINES INDEX........4 TO 5 OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....300-700 (GOOD TO EXCELLENT) DECREASING TO 0-200
                    (POOR TO FAIR) AFTER MIDNIGHT.

.MONDAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
TEMPERATURE.........MAX 72.
RH..................MIN 27 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 8 TO 13 MPH.
MIXING WINDS........SOUTHEAST 16 TO 25 MPH.
MIXING HEIGHT.......4900-5400 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.....100-500 (POOR TO GOOD) INCREASING TO 1100-1300
                    (EXCELLENT).

$$
FORECASTER...MEADE
REQUESTED BY...BOB LITTLE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110508.JACKP.01/GRR