FNUS75 KMSO 171658
FWSMSO

SPOT FORECAST FOR OHARA UNIT 17   13
NATIONAL WEATHER SERVICE MISSOULA MT
1058 AM MDT WED AUG 17 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 PDT ON AUGUST 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...WINDS ARE EXPECTED TO INCREASE THIS AFTERNOON FROM THE
NORTHWEST. SOME GUSTY WINDS ARE POSSIBLE OF 15-20 MPH ON THE RIDGE
TOPS FOR A COUPLE HOURS LATE THIS AFTERNOON. TEMPERATURES WILL
TREND ABOUT 5 DEGREES WARMER THAN YESTERDAY...FURTHER LOWERING
IN HUMIDITIES. UNIT 13 SHOULD NOT HAVE A PROBLEM SEEING HUMIDITY
DROP BELOW 30 PERCENT BY MID AFTERNOON TODAY OVER THE ENTIRE
ELEVATION SPAN. UNIT 17 MAY AGAIN HAVE DIFFICULTY GETTING MUCH
BELOW 30 PERCENT AT THE TOP OF THE UNIT. SOME CUMULUS BUILD UP IS
POSSIBLE OVER THE RIDGES THIS AFTERNOON.

UNIT 13
.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SOME CU BUILDUPS OVER THE RIDGES IN
                    THE AFTERNOON.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 87-92...TOP 76-81.
MIN HUMIDITY........BOTTOM 16-20 PERCENT...TOP 24-29 PERCENT.
WIND (20 FT)........VARIABLE WINDS 3-6 MPH BECOMING NORTHWEST AROUND 5-8
                    MPH IN THE AFTERNOON. GUSTS TO 15 MPH ARE POSSIBLE IN
                    THE AFTERNOON NEAR THE TOP OF THE BURN.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........WEST 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....BOTTOM 46-51...TOP 51-56.
MAX HUMIDITY........BOTTOM 80-85 PERCENT...TOP 65-70 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5-6 MPH BECOMING LIGHT AND VARIABLE.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........LIGHT AND VARIABLE.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 85-90...TOP 74-79.
MIN HUMIDITY........BOTTOM 17-22 PERCENT...TOP 26-31 PERCENT.
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTHWEST AROUND 6
                    MPH IN THE AFTERNOON.
MIXING HEIGHT.......4800 FT AGL.
MIXING WINDS........NORTHWEST 10 MPH.

UNIT 17
.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SOME CU BUILDUPS OVER THE RIDGES
                    IN THE AFTERNOON.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 80-85...TOP 72-77.
MIN HUMIDITY........BOTTOM 18-23 PERCENT...TOP 28-33 PERCENT.
WIND (20 FT)........SOUTH WINDS 5-6 MPH BECOMING NORTHWEST AROUND 5-8
                    MPH IN THE AFTERNOON. GUSTS TO 15 MPH POSSIBLE IN
                    THE AFTERNOON NEAR THE TOP OF THE BURN.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........SOUTHWEST 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....BOTTOM 45-50...TOP 49-54.
MAX HUMIDITY........BOTTOM 75-80 PERCENT...TOP 65-70 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5-6 MPH BECOMING LIGHT AND
                    VARIABLE 2-5 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........LIGHT AND VARIABLE.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 78-83...TOP 70-75.
MIN HUMIDITY........BOTTOM 20-25 PERCENT...TOP 30-35 PERCENT.
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTHWEST AROUND 6
                    MPH IN THE AFTERNOON.
MIXING HEIGHT.......4800 FT AGL.
MIXING WINDS........NORTHWEST 10 MPH.

$$
FORECASTER...PALLISTER
REQUESTED BY...MATTHEW H  YOUNG  ACTING FMO
TYPE OF REQUEST...PRESCRIBED
.TAG 20110817.OHARA.01/MSO