FNUS75 KMSO 111649
FWSMSO

SPOT FORECAST FOR BLUE MOUNTAIN   4
NATIONAL WEATHER SERVICE MISSOULA MT
1049 AM MDT FRI SEP 11 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON SEPTEMBER 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL CONTINUE TO ENHANCE VALLEY
INVERSIONS THROUGH SATURDAY. THIS WILL LEAD TO STABLE CONDITIONS
AND POOR MIXING THROUGHOUT MOST OF THE DAYTIME HOURS WITH LATE
AFTERNOON MIXING POSSIBLE FOR 1 TO 2 HOURS PRIOR TO SUNSET. ANY
SMOKE THAT REACHES ABOVE THE TERRAIN WILL TRANSLATE SOUTHWEST
WITH NORTHEAST WINDS ALOFT.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....85-90.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........UPSLOPE 5-7 MPH...NORTHEAST WINDS TO 10 MPH
                    LATE AFTERNOON.
MIXING HEIGHT.......3200 FT AGL.
MIXING WINDS........NORTHEAST 10 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....50-55.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........NORTH WINDS 5-6 MPH IN THE EVENING BECOMING
                    DOWNSLOPE 2-5 MPH.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........EAST 5 MPH.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....88-93.
MIN HUMIDITY........14-20 PERCENT.
WIND (20 FT)........UPSLOPE 5-7 MPH...NORTHEAST WINDS TO 10 MPH
                    LATE AFTERNOON.
MIXING HEIGHT.......3200 FT AGL.
MIXING WINDS........NORTHEAST 10 MPH.

$$
FORECASTER...DEROSA/MEAD
REQUESTED BY...MARGARET WILLIAMS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090911.BLUEM.04/MSO