FNUS75 KMSO 041117
FWSMSO

SPOT FORECAST FOR AVALANCHE FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
517 AM MDT TUE SEP 4 2012

FORECAST IS BASED ON REQUEST TIME OF 2033 MDT ON SEPTEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...CLOUD COVER WILL GRADUALLY DECREASE OVER THE FIRE
THIS MORNING AS A WAVE OF ENERGY PASSES THE AREA. TEMPERATURES
TODAY WILL RUN A COUPLE DEGREES COOLER WITH SLIGHTLY HIGHER RH.
THE NORTHEAST ASPECT WHERE THE FIRE IS LOCATED WILL LIKELY KEEP
CONDITIONS COOLER AND MORE MOIST THAN AUTOMATED OBSERVATIONS
AROUND THE AREA INDICATE. WARMING AND DRYING WILL OCCUR WEDNESDAY
AS HIGH PRESSURE BUILDS BRIEFLY WITH STRENGTHENING NIGHT TIME
INVERSIONS. A SECOND WAVE OF ENERGY WILL BRING CLOUDS WEDNESDAY
NIGHT WITH A CHANGE IN THE WIND DIRECTION TO NORTHEASTERLY.

.TODAY...

SKY/WEATHER.........CLOUDY IN THE MORNING BECOMING PARTLY SUNNY. SLIGHT
                    CHANCE OF RAIN SHOWERS IN THE MORNING.
CWR.................10 PERCENT.
MAX TEMPERATURE.....BOTTOM 63-68...TOP 58-63.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........BOTTOM-NORTHEAST WINDS 3-5 MPH BECOMING NORTHWEST
                           6-10 MPH WITH GUSTS TO 15 MPH IN THE AFTERNOON.
                       TOP-NORTHEAST 5-10 MPH BECOMING WEST 10-15 MPH WITH
                           GUSTS TO 20 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........WEST 15 MPH.
HAINES INDEX........2 VERY LOW.

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........BOTTOM 65-70 PERCENT...TOP 55-60 PERCENT.
WIND (20 FT)........BOTTOM-NORTHWEST WINDS 6-9 MPH IN THE EVENING BECOMING
                           DOWNSLOPE 2-5 MPH.
                       TOP-WEST 10-15 MPH DECREASING TO 5-10 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHWEST 5 MPH.
HAINES INDEX........3 VERY LOW.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY BECOMING PARTLY CLOUDY IN THE AFTERNOON.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 67-72...TOP 62-67.
MIN HUMIDITY........23-28 PERCENT.
WIND (20 FT)........BOTTOM-UPSLOPE 2-4 MPH BECOMING WEST 6-12 MPH IN
                           THE AFTERNOON.
                       TOP-WEST 10-15 MPH
MIXING HEIGHT.......3900 FT AGL.
MIXING WINDS........WEST 15 MPH.
HAINES INDEX........3 VERY LOW.

$$
FORECASTER...PALLISTER
REQUESTED BY...BRAD HARRIS
TYPE OF REQUEST...WILDFIRE
.TAG 20120903.AVALA.01/MSO