FNUS75 KMSO 151937
FWSMSO

SPOT FORECAST FOR LILY LAKE WFU
NATIONAL WEATHER SERVICE MISSOULA MT
137 PM MDT TUE SEP 15 2009

FORECAST IS BASED ON REQUEST TIME OF 1311 MDT ON SEPTEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...CUMULUS BUILD-UP THIS AFTERNOON MAY LEAD TO AN ISOLATED
SHOWER AND/OR THUNDERSTORM OVER THE BURN SITE UNTIL SUNSET WHEN THE
ATMOSPHERE QUICKLY STABILIZES. A RIDGE OF HIGH PRESSURE WILL REMAIN
OVER THE DISTRICT THROUGH WEDNESDAY. THIS WILL HELP TO DRY THE
ATMOSPHERE AND RE-ESTABLISH MORNING SURFACE INVERSIONS...RESULTING IN
WEAK WINDS...POOR MIXING AND POOR HUMIDITY RECOVERIES AT FIRE ELEVATION.
ON THURSDAY A LOW PRESSURE SYSTEM IS EXPECTED TO TRACK ACROSS NORTHWEST
MONTANA BRINGING AN INCREASE TO SOUTHWEST WINDS AND POTENTIALLY
INCREASING CLOUD COVER OVER THE DISTRICT AS THE LOW TRACKS NORTHEAST.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY BEOMCING MOSTLY CLOUDY. SLIGHT CHANCE
                    OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........UPSLOPE 4-6 MPH.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
                    THE EVENING.
CWR.................10 PERCENT.
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........73-78 PERCENT.
WIND (20 FT)........DOWNSLOPE 2-5 MPH.
HAINES INDEX........3 VERY LOW.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................10 PERCENT.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........UPSLOPE 4-6 MPH.
HAINES INDEX........3 VERY LOW.

$$
FORECASTER...DEROSA/BAUCK
REQUESTED BY...DOUG CAFFEE
TYPE OF REQUEST...WILDFIRE
.TAG 20090915.LILYL.01/MSO