FNUS73 KDLH 191711
FWSDLH

SPOT FORECAST FOR BOY RIVER RX...USFS
NATIONAL WEATHER SERVICE DULUTH MN
1211 PM CDT THU APR 19 2012

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL REMAIN IN CONTROL FOR THE AFTERNOON
AND INTO FRIDAY. THERE WILL BE SOME CUMULUS CLOUD DEVELOPMENT
DUE TO DAYTIME HEATING TODAY...BUT A DECENT AMOUNT OF SUNSHINE
IS STILL EXPECTED AT THE FIRE SITE. HUMIDITY VALUES WILL LIKELY
DROP INTO THE 30 PERCENT RANGE THIS AFTERNOON AND ON FRIDAY.
WINDS WILL GENERALLY REMAIN LIGHT FROM THE EAST TODAY.

.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....49-54.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........EAST WINDS 4 TO 7 MPH.
MIXING HEIGHT.......5500 FT AGL INCREASING TO 6500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (47100).

TIME (CDT)      NOON   2 PM   4 PM   6 PM
TEMP............48     52     53     51
RH..............44     39     36     38
20 FT WIND DIR..E      E      E      NE
20 FT WIND SPD..5      5      4      3
20 FT WIND GUST.7      7      5

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....25-30.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 3 MPH EARLY IN THE
                    EVENING BECOMING LIGHT.
MIXING HEIGHT.......4400 FT AGL DECREASING TO 300 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD (31200) DECREASING TO POOR (600) IN THE
                    LATE EVENING AND OVERNIGHT.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
TEMP............48     41     36     33     30     29
RH..............40     46     57     69     78     81
20 FT WIND DIR..NE     NE     N      N      N      N
20 FT WIND SPD..3      2      2      1      1      1
20 FT WIND GUST.                                   2

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....49-54.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 3 TO 4 MPH IN
                    THE AFTERNOON.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 7200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR (11500) INCREASING TO GOOD (46200) LATE IN
                    THE MORNING...THEN INCREASING TO GOOD (52000)
                    EARLY IN THE AFTERNOON DECREASING TO GOOD
                    (44700) LATE IN THE AFTERNOON.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
TEMP............28     36     44     49     51     51
RH..............78     67     49     37     33     34
20 FT WIND DIR..N      N      N      N      NW     NW
20 FT WIND SPD..2      2      2      2      3      4
20 FT WIND GUST.                                   5

$$
FORECASTER...DEAN P.
REQUESTED BY...MARK HALE
TYPE OF REQUEST...PRESCRIBED
.TAG 20120420.BOYRI.01/DLH