FNUS75 KMSO 102301
FWSMSO

SPOT FORECAST FOR POWELL SBW COMPLEX
NATIONAL WEATHER SERVICE MISSOULA MT
501 PM MDT WED OCT 10 2012

FORECAST IS BASED ON REQUEST TIME OF 1533 PDT ON OCTOBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE FIRE AREA WILL REMAIN UNDER THE INFLUENCE OF A
DRY RIDGE OF HIGH PRESSURE THROUGH FRIDAY. LIGHT SLOPE WINDS ARE
EXPECTED TODAY (THURSDAY) THROUGH FRIDAY MORNING. INVERSIONS WILL
REMAIN MOSTLY INTACT WITH LITTLE IN THE WAY OF MIXING THROUGH
FRIDAY MORNING.

THE BREAKDOWN OF THIS RIDGE PATTERN WILL COMMENCE FRIDAY AFTERNOON
WITH THE FIRST IN A SERIES OF PACIFIC DISTURBANCES PASSING THROUGH
THE REGION...WHICH WILL NOT PROVIDE ANY MOISTURE. SUBSEQUENT
DISTURBANCES WILL OFFER BETTER CHANCES OF PRECIPITATION THIS
WEEKEND AND INTO NEXT WEEK. WEST TO NORTHWEST WINDS ARE EXPECTED
TO PICK UP FRIDAY AFTERNOON HOWEVER.

.TODAY (THURSDAY)...

SKY/WEATHER.........MOSTLY SUNNY. A FEW CLOUDS IN THE MORNING.
CWR.................0 PERCENT.
MAX TEMPERATURE.....
           BOTTOM...65-70.
           TOP......57-61.
MIN HUMIDITY........
           BOTTOM...20-24 PERCENT.
           TOP......20-24 PERCENT.
WIND (20 FT)........VARIABLE 1-3 MPH...BECOMING UPSLOPE 2-5 MPH
                    WITH GUSTS TO 7 MPH IN THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL.
MIXING WINDS........SOUTHWEST 5 MPH.
HAINES INDEX........3 VERY LOW.

.TONIGHT (THURSDAY NIGHT)...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....
           BOTTOM...25-30.
           TOP......35-40.
MAX HUMIDITY........
           BOTTOM...90-95 PERCENT.
           TOP......60-65 PERCENT.
WIND (20 FT)........VARIABLE 1-3 MPH.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........SOUTHWEST 5 MPH.
HAINES INDEX........3 VERY LOW.

.FRIDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....
           BOTTOM...68-73.
           TOP......59-64.
MIN HUMIDITY........
           BOTTOM...18-22 PERCENT.
           TOP......20-24 PERCENT.
WIND (20 FT)........VARIABLE 1-3 MPH...BECOMING WEST 4-8 MPH
                    WITH OCCASIONAL GUSTS TO 12 MPH IN THE AFTERNOON.
   RIDGETOP WINDS...BECOMING WEST 10-15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........WEST 20 MPH.
HAINES INDEX........3 VERY LOW.

$$
FORECASTER...MSJ
REQUESTED BY...STACY SMITH
TYPE OF REQUEST...WILDFIRE
.TAG 20121010.POWEL.01/MSO