FNUS75 KMSO 101908
FWSMSO

SPOT FORECAST FOR SAWTOOTH
NATIONAL WEATHER SERVICE MISSOULA MT
108 PM MDT MON SEP 10 2012

FORECAST IS BASED ON REQUEST TIME OF 1232 MDT ON SEPTEMBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.DISCUSSION...STRONG WINDS HAVE BEGUN TO DEVELOP ACROSS WEST-
CENTRAL MONTANA ALREADY WITH WINDS PEAKING SOMETIME MID TO LATE
AFTERNOON. WINDS WILL BEGUN TO DECREASE ABOUT SUNSET AT THE BOTTOM
OF THE FIRE...BUT STRONG WEST WINDS WILL CONTINUE MIDSLOPE TO
RIDGETOP OVERNIGHT. THE ATMOSPHERE WILL BE COOLER...REMAIN DRY.

WINDS WILL BE DECREASING TUESDAY...WITH THE LOW-LEVEL INVERSION
BREAKING ABOUT NOONTIME.

.TODAY...

HAINES INDEX........2 VERY LOW.
SKY/WEATHER.........BECOMING PARTLY CLOUDY. SOME CUMULUS CLOUDS
                    THIS AFTERNOON.
MAX TEMPERATURE.....VALLEY BOTTOM...73-78
                    MIDSLOPE TO RIDGE...65-70.
MIN HUMIDITY........VALLEY BOTTOM...17-21 PERCENT
                    MIDSLOPE TO RIDGETOP...25-30 PERCENT...THEN SLOWLY
                              INCREASING LATER THIS AFTERNOON.
WIND (20 FT)........VALLEY AREA...WEST WINDS 13-19 MPH WITH GUSTS 25 MPH.
                    MIDSLOPE TO RIDGETOP...WEST 20-30 MPH WITH
                    GUSTS TO AROUND 35 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....29-34.
MAX HUMIDITY........VALLEY BOTTOM...79-84 PERCENT.
                    MIDSLOPE TO RIDGETOP....35-45 PERCENT.
WIND (20 FT)........VALLEY BOTTOM...WEST WINDS 8-18 MPH IN THE EVENING
                           BECOMING NORTH 2-6 MPH.
                    MIDSLOPE TO RIDGETOP...WEST 15-25 MPH WITH GUSTS
                                 35 MPH...DECREASING TO 10-18 MPH AFTER
                                 MIDNIGHT.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 15 MPH.
HAINES INDEX........3 VERY LOW.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....51-56.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........VALLEY BOTTOM...VARIABLE 2-5 MPH IN THE MORNING...
                           BECOMING WEST WINDS 6-10 MPH IN THE AFTERNOON.
                    MIDSLOPE TO RIDGETOP...WEST 10-15 MPH.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........WEST 15 MPH.
HAINES INDEX........4 LOW.

$$
FORECASTER...MSJ
REQUESTED BY...KELLY ALLEN
TYPE OF REQUEST...WILDFIRE
.TAG 20120910.SAWTO.01/MSO