FNUS73 KDLH 241738
FWSDLH

SPOT FORECAST FOR LOON LAKE HELISPOT...US FOREST SERVICE
NATIONAL WEATHER SERVICE DULUTH MN
1238 PM CDT TUE APR 24 2012

FORECAST IS BASED ON IGNITION TIME OF 1230 CDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...PARTLY CLOUDY THIS AFTERNOON WITH AN AREA OF MID
LEVEL CUMULUS CLOUDS CONTINUING THROUGH THE AFTERNOON. DRIER AIR
WILL EVENTUALLY MIX DOWN AND HELP SCATTER OUT THE CUMULUS CLOUDS
LATER THIS AFTERNOON...BUT HIGH CLOUDS WILL TAKE THEIR PLACE IN
ADVANCE OF THE NEXT SYSTEM EXPECTED TO MOVE IN LATE TONIGHT.
TEMPERATURES AROUND THE PRESCRIBED BURN SITE WILL TOP OUT IN THE
LOWER 60S WITH MINIMUM HUMIDITIES INTO THE 30 PERCENT RANGE.
HUMIDITIES COULD BE QUITE VARIABLE IN THIS AREA DUE TO THE
PRESENCE OF THE LAKES...BUT BELIEVE LOWEST RH VALUES COULD DROP
INTO THE 30S. WINDS WILL REMAIN EITHER NORTHERLY OR FROM THE
NNW...WITH GUSTS IN THE MID TO LATE AFTERNOON INTO THE 12 TO 14
MPH RANGE. TEMPERATURES DROP BACK INTO THE 30S TONIGHT...WITH RH
RECOVERIES INTO THE 80 PERCENT RANGE AND WINDS BECOMING LIGHT AND
VARIABLE.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....60-63.
MIN HUMIDITY........32-35 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 9 MPH GUSTING TO 12 MPH.
MIXING HEIGHT.......2500 FT AGL INCREASING TO 6600 FT AGL.
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.
SMOKE DISPERSAL.....EXCELLENT (85300) EARLY IN THE AFTERNOON
                    DECREASING TO GOOD (56200) LATE IN THE
                    AFTERNOON.

TIME (CDT)      NOON   2 PM   4 PM   6 PM
TEMP............58     61     63     57
RH..............51     43     33     39
20 FT WIND DIR..N      N      NW     NW
20 FT WIND SPD..9      10     7      5
20 FT WIND GUST.13     10     7      6

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A
                    SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
                    EVENING. A CHANCE OF RAIN SHOWERS AFTER
                    MIDNIGHT. CHANCE OF SHOWERS 40 PERCENT AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....30-35.
MAX HUMIDITY........80-85 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 4 MPH BECOMING NORTHEAST
                    AROUND 3 MPH LATE IN THE EVENING...THEN
                    BECOMING LIGHT AFTER MIDNIGHT.
MIXING HEIGHT.......4200 FT AGL DECREASING TO 300 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH BECOMING EAST IN THE LATE
                    EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....FAIR (29800) DECREASING TO POOR (1550) IN THE
                    LATE EVENING AND OVERNIGHT.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
TEMP............52     46     40     37     35     34
RH..............35     43     57     67     75     78
20 FT WIND DIR..NW     N      NE     E      E      E
20 FT WIND SPD..4      3      3      2      3      5
20 FT WIND GUST.5                                  6

$$
FORECASTER...BRIAN
REQUESTED BY...RYAN KINGSLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20120424.LOONL.01/DLH