FNUS75 KBOI 271518
FWSBOI

SPOT FORECAST FOR TREEWELL...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
918 AM MDT FRI MAR 27 2009

FORECAST IS BASED ON IGNITION TIME OF 1030 MDT ON MARCH 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...MILD WITH HIGH PRESSURE TODAY AND SATURDAY AHEAD OF NEXT STORM...

.DISCUSSION...
A RIDGE OF HIGH PRESSURE WILL TAKE A STRONGHOLD OVER THE BURN SITE
TODAY AND SATURDAY. THIS WILL ALLOW SUNSHINE AND LIGHT UPVALLEY
WINDS TO DEVELOP THIS AFTERNOON. ANOTHER BATCH OF CLOUDS WILL PRECEDE
THE NEXT WEATHER SYSTEM THAT WILL BRING A COLD FRONT AND STRONG WINDS
TO THE FOREST SATURDAY NIGHT AND SUNDAY.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY THIS MORNING. BECOMING MOSTLY SUNNY.
MAX TEMPERATURE.....45 TO 48.
MIN HUMIDITY........28 TO 32 PERCENT.
WIND - EYE LEVEL....LIGHT DOWNSLOPE THIS MORNING...BECOMING SOUTH AROUND
                    4 MPH AFTER 1300 HOURS THIS AFTERNOON.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 8 MPH.
VENTILATION INDEX...225 FAIR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
MIN TEMPERATURE.....21 TO 26.
MAX HUMIDITY........88 TO 97 PERCENT.
WIND - EYE LEVEL....DOWNVALLEY NORTH AROUND 3 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......NORTHEAST AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF AFTERNOON SHOWERS.
MAX TEMPERATURE.....48 TO 53.
MIN HUMIDITY........50 TO 55 PERCENT.
WIND - EYE LEVEL....SOUTH 5 TO 8 MPH WITH GUSTS TO 12 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 12 MPH.
VENTILATION INDEX...300 FAIR.

$$
FORECASTER...REDMAN/DECKER
REQUESTED BY...REBECCA SWENSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20090327.TREEW.01/BOI