FNUS75 KMSO 181128
FWSMSO

SPOT FORECAST FOR SAWMILL CYR EMB 1
NATIONAL WEATHER SERVICE MISSOULA MT
528 AM MDT MON MAY 18 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...UPPER RIDGE WILL REMAIN OVER THE FIRE ONE MORE DAY
BEFORE A SURFACE COLD FRONT AND ASSOCIATED CANADIAN WEATHER SYSTEM
MOVE THROUGH ON TUESDAY. CONDITIONS SIMILAR TO SUNDAY CAN BE EXPECTED
WITH INVERSIONS BREAKING LATE AND MAX TEMPERATURES ACHIEVED IN THE
LATE AFTERNOON...BETWEEN 1600-1800 MDT. MORE BREEZY WEST WINDS WILL
BE EXPERIENCED ON THE FIRE...ESPECIALLY ALONG THE HIGHER PEAKS.
INVERSIONS WILL SET UP AGAIN THIS EVENING CREATING DOWNSLOPE
CONDITIONS AFTER 2030 MDT. THE TOP OF THE FIRE IS EXPECTED TO BE
NEAR THE THERMAL BELT OVERNIGHT. MOISTURE AND WINDS WILL INCREASE
TUESDAY MORNING AS THE COLD FRONT APPROACHES. PRECIPITATION IS
EXPECTED ALONG AND BEHIND THE COLD FRONT. AT THIS TIME...THE FRONT
LOOKS TO BE AT THE FIRE BETWEEN 1200-1500 MDT TUESDAY. BREEZY
SOUTHWEST WINDS AHEAD OF THE FRONT WILL BECOME NORTHWEST BEHIND
THE FRONT.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....82-87 BOTTOM...71-76 TOP.
MIN HUMIDITY........9-14 PERCENT BOTTOM...18-23 PERCENT TOP.
WIND (20 FT)........VARIABLE 2-5 MPH BECOMING WEST 8-10 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......6900 FT AGL.
MIXING WINDS........WEST 25 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....49-54.
MAX HUMIDITY........72-77 PERCENT BOTTOM...60-65 PERCENT TOP.
WIND (20 FT)........TOP OF FIRE...WEST WINDS 5-10 MPH.
                    BOTTOM OF FIRE...WEST WINDS 5-10 MPH IN THE
                    EVENING BECOMING DOWNSLOPE 2-5 MPH.
MIXING HEIGHT.......1900 FT AGL.
MIXING WINDS........SOUTHWEST 5 MPH.

.TUESDAY...

SKY/WEATHER.........CHANCE OF SHOWERS IN THE MORNING. SLIGHT CHANCE
                    OF THUNDERSTORMS THROUGH THE DAY. SHOWERS
                    LIKELY IN THE AFTERNOON.
CWR.................50 PERCENT.
MAX TEMPERATURE.....67-72 BOTTOM...55-60 TOP.
MIN HUMIDITY........29-34 PERCENT BOTTOM...43-48 PERCENT TOP.
WIND (20 FT)........UPSLOPE 2-5 MPH BECOMING SOUTHWEST 8-12 MPH
                    AFTER 0900. WINDS BECOMING WEST 12-17 MPH AFTER 1400.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........WEST 15-25 MPH.

$$
FORECASTER...MEAD
REQUESTED BY...LAURA WARD
TYPE OF REQUEST...PRESCRIBED
.TAG 20090518.SAWMI.01/MSO