FNUS75 KMSO 021131
FWSMSO

SPOT FORECAST FOR AVALANCHE FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
531 AM MDT SUN SEP 2 2012

FORECAST IS BASED ON REQUEST TIME OF 2218 MDT ON SEPTEMBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...TODAY WILL BE DRY AND BREEZY WITH WINDS INCREASING
THROUGH THE DAY AS THE ATMOSPHERE DESTABILIZES. THE TOP OF THE
FIRE WILL BE EXPOSED TO WEST WINDS ALOFT. THE BOTTOM OF THE FIRE
WILL LIKELY SEE MORE OF A NORTHWEST WIND DIRECTION AS WINDS SHOULD
GET FUNNELED THROUGH THE DRAINAGE ADJACENT TO THE FIRE. SOME
ERRATIC AFTERNOON WINDS ARE POSSIBLE ON THE LOWER END OF THE FIRE
DUE TO ITS PROXIMITY TO A NOB WHICH MAY CAUSE SOME EDDYING.
TOMORROW WILL TREND WARMER BUT RHS SHOULD BE HIGHER DUE TO
INCREASED CLOUD COVER AND LESS WIND.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 62-67...TOP 57-62.
MIN HUMIDITY........19-24 PERCENT.
WIND (20 FT)........BOTTOM...NORTHWEST WINDS 5-10 MPH INCREASING TO
                    10-15 MPH IN THE AFTERNOON WITH GUSTS TO 20 MPH.
                    TOP...WEST 10-20 MPH WITH GUSTS TO 30 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........WEST 30 MPH.
HAINES INDEX........2 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....BOTTOM 38-43...TOP 43-48.
MAX HUMIDITY........BOTTOM 75-80 PERCENT...TOP 55-60 PERCENT.
WIND (20 FT)........BOTTOM...NORTHWEST WINDS 10-15 MPH WITH GUSTS TO
                    AROUND 20 MPH BECOMING DOWNSLOPE 3-5 MPH AROUND
                    2100 MDT.
                    TOP...WEST 10-20 MPH WITH GUSTS TO 30 MPH IN THE
                    EVENING BECOMING SOUTHWEST 5-10 MPH AFTER 2100 MDT.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........WEST 15 MPH.
HAINES INDEX........2 VERY LOW.

.LABOR DAY...

SKY/WEATHER.........BECOMING PARTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 64-69...TOP 59-64.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........BOTTOM...UPSLOPE 3-5 MPH BECOMING NORTHWEST 8-10 MPH IN
                    THE AFTERNOON.
                    TOP...WEST 10-15 MPH.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........WEST 20 MPH.
HAINES INDEX........2 VERY LOW.

$$
FORECASTER...PALLISTER
REQUESTED BY...BRAD HARRIS
TYPE OF REQUEST...WILDFIRE
.TAG 20120901.AVALA.02/MSO