FNUS75 KMSO 191648
FWSMSO

SPOT FORECAST FOR OHARA UNIT 17   13
NATIONAL WEATHER SERVICE MISSOULA MT
1048 AM MDT FRI AUG 19 2011

FORECAST IS BASED ON IGNITION TIME OF 1020 PDT ON AUGUST 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE SPOT IS FOR THE UNIT 13 FIRE WITH AN ELEVATION
1800-3500 FEET.

A RIDGE OF HIGH PRESSURE WILL BE BUILDING OVER THE REGION TODAY
THROUGH TOMORROW CAUSING A WARMING AND DRYING TREND. THIS AFTERNOON
THE ATMOSPHERE IS ANTICIPATED TO DESTABILIZE ENOUGH TO ALLOW FOR
SOME GUSTY WESTERLY WINDS MIX DOWN TO THE TOP PORTION OF THE FIRE.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 83-88...TOP 70-75.
MIN HUMIDITY........BOTTOM 30-35 PERCENT...TOP 35-40 PERCENT.
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING WEST 5-10 MPH WITH
                    A FEW GUSTS TO 15 AT THE TOP OF THE FIRE IN
                    THE AFTERNOON.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........NORTHWEST 5 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....BOTTOM 48-53...TOP 44-49.
MAX HUMIDITY........90-95 PERCENT...TOP 60-65 PERCENT.
WIND (20 FT)........WEST WINDS 5-10 MPH IN THE EVENING BECOMING
                    VARIABLE 2-5 MPH.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........NORTH 5 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM 85-90...TOP 72-77.
MIN HUMIDITY........BOTTOM 28-33 PERCENT...TOP 33-38 PERCENT.
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTHWEST 5-10 IN
                    THE AFTERNOON.
MIXING HEIGHT.......5300 FT AGL.
MIXING WINDS........EAST 5 MPH.

$$
FORECASTER...SMITH
REQUESTED BY...MARGARET WILLIAMS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110819.OHARA.01/MSO