FNUS75 KMSO 272340
FWSMSO

SPOT FORECAST FOR WEST RIVERSIDE FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
540 PM MDT SAT AUG 27 2011

FORECAST IS BASED ON REQUEST TIME OF 1700 MDT ON AUGUST 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE IS EXPECTED TO FURTHER STRENGTHEN
AHEAD OF A SHORTWAVE TROUGH ON SUNDAY. THE FLOW AT MOUNTAIN TOP
LEVEL APPEARS TO BE MOSTLY NON-EXISTENT BY THE AFTERNOON SO ONLY UP
CANYON WINDS DUE TO THE HOT AIRMASS ARE EXPECTED IN THE AFTERNOON AND
THE CONVERGENCE ZONE THROUGH JOHNSON CANYON WILL AGAIN EXPERIENCE
THE HIGHEST WIND SPEEDS THOUGH NOT AS GUSTY AS SATURDAY. THE
SHORTWAVE WILL APPROACH THROUGH THE AFTERNOON AND EVENING WITH
LATE EVENING AND ESPECIALLY OVERNIGHT THUNDERSTORMS POSSIBLE
SUNDAY NIGHT INTO MONDAY MORNING. SPORADIC WINDS ARE POSSIBLE WITH
THESE THUNDERSTORMS WITH MINIMAL RAIN EXPECTED OUT OF ANY STORMS
THAT DO PASS OVER. AFTERNOON WINDS ON MONDAY ARE EXPECTED TO
INCREASE ESPECIALLY AT THE TOP OF THE FIRE AND A STRAY
THUNDERSTORM IS AGAIN POSSIBLE.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....89-94 BOTTOM...78-83
MIN HUMIDITY........13-18 PERCENT BOTTOM...22-27 PERCENT BOTTOM.
WIND (20 FT)........MID SLOPE AND BELOW...VARIABLE 2-4 MPH
                    BECOMING UP CANYON AROUND 6-10 MPH IN THE AFTERNOON.
                    TOP...VARIABLE 8-10 MPH
MIXING HEIGHT.......7100 FT AGL.
MIXING WINDS........WEST 5 MPH.
HAINES INDEX........4 LOW.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    SLIGHT CHANCE OF RAIN SHOWERS AND
                    THUNDERSTORMS.
CWR.................10 PERCENT.
MIN TEMPERATURE.....49-54.
MAX HUMIDITY........58-63 PERCENT BOTTOM...40-45 PERCENT MPH.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH IN THE EVENING
                    BECOMING DOWNSLOPE 2-5 MPH.
MIXING HEIGHT.......800 FT AGL.
MIXING WINDS........NORTHEAST 5 MPH.
HAINES INDEX........3 VERY LOW.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
                    AND THUNDERSTORMS IN THE MORNING...THEN CHANCE
                    OF RAIN SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....85-90 BOTTOM...72-77 TOP.
MIN HUMIDITY........17-22 PERCENT BOTTOM...28-33 TOP.
WIND (20 FT)........MID SLOPE AND BELOW...VARIABLE 2-4 MPH
                    BECOMING WEST AROUND 10 MPH AND
                    GUSTS TO 15 MPH IN THE AFTERNOON.
                    TOP...WEST WIND 7-11 MPH INCREASING TO
                    12-16 MPH AND GUSTS AROUND 20 MPH AFTER 1300 MDT.
MIXING HEIGHT.......7300 FT AGL.
MIXING WINDS........WEST 15 MPH.
HAINES INDEX........3 VERY LOW.

$$
FORECASTER...KITSMILLER
REQUESTED BY...MATT BUTLER
TYPE OF REQUEST...WILDFIRE
.TAG 20110827.WESTR.02/MSO