FNUS75 KMSO 162032
FWSMSO

SPOT FORECAST FOR PISTOL CR
NATIONAL WEATHER SERVICE MISSOULA MT
232 PM MDT FRI OCT 16 2009

FORECAST IS BASED ON IGNITION TIME OF 1630 MDT ON OCTOBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SURFACE AND UPPER RIDGE WILL REMAIN OVER THE UNIT
THROUGH SATURDAY MORNING. THIS WILL RESULT IN DIURNALLY/TERRAIN
DRIVEN WINDS. MOSTLY CLEAR SKIES WILL ALSO ALLOW INVERSIONS TO
DEVELOP OVERNIGHT...AND THE FIRE IS EXPECTED TO BE IN THE SUBSEQUENT THERMAL
BELT. SATURDAY AFTERNOON WINDS WILL INCREASE IN RESPONSE TO A
TIGHTENING PRESSURE GRADIENT FROM AN APPROACHING COLD FRONT AND
ASSOCIATED PACIFIC WEATHER SYSTEM. THE WINDS ARE EXPECTED TO
INCREASE LATE IN THE AFTERNOON AND CONTINUE THROUGH THE EVENING.
SATURDAY NIGHT THE COLD FRONT WILL MOVE OVER THE UNIT AFTER
MIDNIGHT. THE PRECIPITATION WILL RESIDE MAINLY ALONG AND BEHIND
THE FRONT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....38-43.
MAX HUMIDITY........78-83 PERCENT.
WIND (20 FT)........SOUTH 5-8 MPH.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........SOUTH 10 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....63-68.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........SOUTH 5-7 MPH INCREASING TO 8-10 MPH IN
                    THE AFTERNOON.
MIXING HEIGHT.......3500 FT AGL.
MIXING WINDS........SOUTH 15 MPH.

.SATURDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.
CWR.................30 PERCENT.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........84-89 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8-10 MPH IN THE EVENING
                    BECOMING WEST 5-8 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......1700 FT AGL.
MIXING WINDS........WEST 10 MPH.



$$
FORECASTER...MEAD
REQUESTED BY...BOB MCCREA
TYPE OF REQUEST...PRESCRIBED
.TAG 20091016.PISTO.01/MSO