FNUS73 KGRR 121311
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR BSO  1...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
911 AM EDT THU APR 12 2012

FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON APRIL 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MOSTLY SUNNY SKIES EXPECTED TODAY ALONG WITH
LIGHT WINDS.


.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
TEMPERATURE.........45 AT IGNITION...MAX 55.
RH..................51 PERCENT AT IGNITION...MIN 38 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 9 MPH AT
                    IGNITION...OTHERWISE LIGHT WINDS BECOMING WEST
                    6 TO 11 MPH.
MIXING WINDS........NORTHEAST 2 TO 3 MPH SHIFTING TO THE NORTHWEST
                    6 TO 9 MPH.
MIXING HEIGHT.......1400-1900 FT AGL INCREASING TO 6400 FT AGL AT
                    IGNITION...OTHERWISE 7100-7600 FT AGL...THEN
                    DECREASING TO 5600 FT AGL IN THE EVENING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 5.
SMOKE DISPERSAL.....0-400 (POOR TO GOOD) INCREASING TO 500-700
                    (GOOD TO EXCELLENT).

TIME (EDT)      1 PM   3 PM   5 PM   7 PM
SKY (%).........39     49     34     26
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............45     52     53     51
RH..............51     41     38     42
20 FT WIND......SW 9   W 11   W 11   W 11
20 FT GUST......
HAINES INDEX....4      4      4      5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). AREAS OF FROST
                    TOWARD DAYBREAK.
TEMPERATURE.........MIN 31.
RH..................MAX 75 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH SHIFTING TO THE
                    SOUTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
MIXING WINDS........SOUTHEAST 2 TO 8 MPH.
MIXING HEIGHT.......3700-4200 FT AGL DECREASING TO 1100-1600 FT
                    AGL.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....0-300 (POOR TO GOOD).

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (70-80 PERCENT).
TEMPERATURE.........MAX 62.
RH..................MIN 35 PERCENT.
WIND (20 FT)........SOUTH WINDS 9 TO 14 MPH.
MIXING WINDS........SOUTH 6 TO 15 MPH INCREASING TO 16 TO 20 MPH.
MIXING HEIGHT.......900-1400 FT AGL INCREASING TO 5600-6100 FT AGL.
HAINES INDEX........4 TO 6 OR OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....0-400 (POOR TO GOOD) INCREASING TO 700-1100
                    (EXCELLENT TO EXCELLENT).

$$
FORECASTER...MARINO
REQUESTED BY...BOB LITTLE
TYPE OF REQUEST...PRESCRIBED
.TAG 20120412.BSO1_.02/GRR