FNUS73 KDLH 131928
FWSDLH

SPOT FORECAST FOR ARROWHEAD RX...USFS
NATIONAL WEATHER SERVICE DULUTH MN
228 PM CDT SUN MAY 13 2012

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.DISCUSSION...

A COLD FRONT WILL MOVE OUT OF ONTARIO INTO NORTHERN MINNESOTA AFTER
MIDNIGHT...AND THEN THROUGH THE PROPOSED BURN LOCATION EARLY
TOMORROW MORNING. THIS WILL SHOULD SET UP LIGHT NW WINDS BY LATE
TOMORROW MORNING AND THROUGH THE AFTERNOON. HOWEVER...SINCE THE
WINDS WILL BE SO LIGHT...GENERALLY AROUND 6 MPH...THE WIND DIRECTION
WILL BE SOMEWHAT UNRELIABLE. ANTICIPATE PERIODS OF VERY LIGHT AND
VARIABLE WINDS. EXPECT WARM TEMPERATURES AND MOSTLY SUNNY SKIES. THE
RELATIVE HUMIDITY SHOULD FALL TO AROUND 25 PERCENT. THERE
MAY BE RAIN SHOWERS MONDAY NIGHT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....43-48.
MAX HUMIDITY........68 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 11 TO 15 MPH BECOMING WEST 6 TO
                    10 MPH.
MIXING HEIGHT.......5100 FT AGL DECREASING TO 300 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
SMOKE DISPERSAL.....EXCELLENT (145400) DECREASING TO POOR (2150).

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
TEMP............67     62     57     54     50     47
RH..............28     34     42     48     56     63
20 FT WIND DIR..SW     SW     SW     SW     W      W
20 FT WIND SPD..15     12     10     9      8      6
20 FT WIND GUST.24     17     14     13     12     8

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 7 MPH.
MIXING HEIGHT.......500 FT AGL INCREASING TO 10150 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR (4700) INCREASING TO EXCELLENT (125700)
                    LATE IN THE MORNING...THEN INCREASING TO
                    EXCELLENT (166200) EARLY IN THE AFTERNOON
                    DECREASING TO EXCELLENT (135100) LATE IN THE
                    AFTERNOON.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
TEMP............48     58     68     71     73     72
RH..............65     47     31     27     24     26
20 FT WIND DIR..W      W      NW     NW     NW     NW
20 FT WIND SPD..6      6      6      6      7      6
20 FT WIND GUST.7      8      8      10     10     8

$$
FORECASTER...GEOFF
REQUESTED BY...PATTY JOHNSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20120514.ARROW.01/DLH