FNUS75 KBOI 161841
FWSBOI

SPOT FORECAST FOR UPPER WEISER  2...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
1241 PM MDT THU SEP 16 2010

FORECAST IS BASED ON IGNITION TIME OF 1235 MDT ON SEPTEMBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HIGH BASED CLOUDS TODAY BUT SUNNY AND WARMER TOMORROW...

.DISCUSSION....HIGH LEVEL CLOUDS THIS MORNING OVER THE UPPER WEISER 2
FIRE WILL THICKEN AFTER 1700 HOURS THIS AFTERNOON AS AN UPPER LEVEL
DISTURBANCE MOVES OVER THE TOP OF A HIGH PRESSURE RIDGE. THIS MEANS
THAT THERE WILL BE SLIGHTLY COOLER TEMPERATURES TODAY DUE TO SHADING
AS WELL AS A FEW SPRINKLES THIS EVENING...PARTICULARLY NORTH OF THE FIRE.
TOMORROW WILL BE SUNNY AND WARM HOWEVER AS THE RIDGE WILL AMPLIFY OVER
THE AREA. THE NEXT SIGNIFICANT CHANGE WILL COME SATURDAY AFTERNOON AS
AN UPPER LEVEL TROUGH WILL BRING A CHANCE OF SHOWERS AND THUNDERSTORMS.

.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY. HIGH BASED CLOUDS WILL SHADE SOMEWHAT.
MAX TEMPERATURE.....72 TO 77.
MIN HUMIDITY........28 TO 33 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 4 TO 8 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WIND......SOUTHWEST 12 TO 15 MPH.
VENTILATION INDEX...975 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A FEW SPRINKLES BETWEEN 1700 AND 2000 HOURS.
MIN TEMPERATURE.....55 TO 58.
MAX HUMIDITY........65 TO 70 PERCENT.
WIND - EYE LEVEL....SOUTHWEST AROUND 6 MPH THIS EVENING...BECOMING DOWNSLOPE
                    FROM THE NORTHEAST AROUND 4 MPH AFTER MIDNIGHT.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WIND......EAST AROUND 5 MPH.
VENTILATION INDEX...45 POOR.

.FRIDAY...

SKY/WEATHER.........SUNNY AND DRY.
MAX TEMPERATURE.....77 TO 83.
MIN HUMIDITY........22 TO 26 PERCENT.
WIND - EYE LEVEL....BECOMING UPVALLEY SOUTH UP TO 7 MPH IN THE AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...850 EXCELLENT.

$$
FORECASTER...DECKER
REQUESTED BY...DISPATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20100916.UPPER.01/BOI