FNUS75 KMSO 230137
FWSMSO

SPOT FORECAST FOR FITZSIMMONS
NATIONAL WEATHER SERVICE MISSOULA MT
737 PM MDT MON AUG 22 2011

FORECAST IS BASED ON REQUEST TIME OF 1903 MDT ON AUGUST 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN APPROACHING WEATHER SYSTEM WILL IMPACT THE FIRE
TONIGHT THROUGH TUESDAY AFTERNOON. SMALL THREAT OF LIGHT
RAIN...WITH BIGGEST IMPACT WINDS THIS EVENING AND AGAIN TUESDAY
AFTERNOON/EVENING. A COOLER AIRMASS IS ASSOCIATED WITH THIS
SYSTEM...SO TEMPERATURES WILL DECREASE WITH INCREASED HUMIDITIES.
WINDS WILL REMAIN GUSTY ONCE AGAIN TUESDAY AFTERNOON/EVENING AND
SHOULD MATERIALIZE AT ALL ELEVATIONS GIVEN THE INCREASED MIXING
FROM THE PASSING WEATHER SYSTEM. DESPITE CLOUDS THIS
EVENING...THERMAL BELTS ARE EXPECTED TO DEVELOP FOR POOR
RECOVERIES AND ACTIVE FIRE BEHAVIOR AT MID SLOPES.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
                    AFTER MIDNIGHT.
CWR.................0 PERCENT.
MIN TEMPERATURE.....48-53 BASE/TOP...63-68 MID SLOPE.
MAX HUMIDITY........91-96 PERCENT BASE/TOP...28-33 PERCENT MID SLOPE.
WIND (20 FT)........DOWNVALLEY 3-5 MPH BASE. MID SLOPE/TOP...
                    WEST-SOUTHWEST WINDS 9-17 MPH WITH GUSTS UP TO 25
                    MPH IN THE EVENING...BECOMING DOWNSLOPE 3-5 MPH.
                    VARIABLE 5-9 MPH MID SLOPE.
MIXING HEIGHT.......1400 FT AGL.
MIXING WINDS........SOUTHWEST 20 MPH.
HAINES INDEX........2 VERY LOW.

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
                    THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS
                    IN THE AFTERNOON.
CWR.................LESS 10 PERCENT.
MAX TEMPERATURE.....74-79 BASE...66-71 TOP.
MIN HUMIDITY........29-34 PERCENT BASE...45-50 PERCENT TOP.
WIND (20 FT)........UPSLOPE/UPVALLEY 3-8 MPH BECOMING WEST-SOUTHWEST
                    12-18 MPH.
MIXING HEIGHT.......4300 FT AGL.
MIXING WINDS........WEST 30 MPH.
HAINES INDEX........2 VERY LOW.

.TUESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
CWR.................10 PERCENT.
MIN TEMPERATURE.....43-48.
MAX HUMIDITY........95-100 PERCENT.
WIND (20 FT)........WEST-SOUTHWEST WINDS 14-19 MPH WITH GUSTS TO 25 MPH
                    IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 4-8 MPH
                    AFTER SUNSET.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTH 5 MPH.
HAINES INDEX........2 VERY LOW.



$$
FORECASTER...MEAD
REQUESTED BY...NANCY CASSEL
TYPE OF REQUEST...WILDFIRE
.TAG 20110822.FITZS.01/MSO