FNUS75 KBOI 171613
FWSBOI

SPOT FORECAST FOR LOST VALLEY...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
1013 AM MDT FRI SEP 17 2010

FORECAST IS BASED ON IGNITION TIME OF 0915 MDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WARM AND DRY TODAY WITH DECREASING CLOUDS THIS AFTERNOON...

.DISCUSSION...LOOK FOR MID LEVEL CLOUDS TO MOVE EAST ACROSS THE BURN
SITE THIS MORNING WITH DIMINISHING THIS AFTERNOON FOR MOSTLY SUNNY AND
DRY CONDITIONS.  LOCAL WINDS WILL BE UPSLOPE FROM THE SOUTH TO SOUTHWEST...
AWAY FROM THE RESERVOIR. WITH DECENT MIXING THIS AFTERNOON VENTILATION
WILL BE EXCELLENT BEFORE THE NIGHT TIME INVERSION SETS UP AROUND 1900.
IT WILL BE MOSTLY CLOUDY TOMORROW AND SUNDAY WITH INCREASING SOUTHWEST WIND.

.REST OF TODAY...

SKY/WEATHER.........MID LEVEL CLOUDS THIS MORNING. MOSTLY SUNNY AFTER 1400.
MAX TEMPERATURE.....74 TO 76.
MIN HUMIDITY........28 TO 30 PERCENT.
WIND - EYE LEVEL....LESS THAN 3 MPH LATE IN THE MORNING...BECOMING
                    SOUTH 3 TO 6 MPH IN THE AFTERNOON WITH GUSTS TO 10 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...850 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY.
MIN TEMPERATURE.....45 TO 50.
MAX HUMIDITY........73 TO 80 PERCENT.
WIND - EYE LEVEL....SOUTH 3 TO 8 MPH UNTIL 1900...BECOMING DOWNSLOPE
                    NORTH OR NORTHEAST 3 TO 6 MPH BY SUNSET.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......NORTH AROUND 5 MPH.
VENTILATION INDEX...25 POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. MID LEVEL CLOUD DECK WILL SHADE FUELS.
MAX TEMPERATURE.....68 TO 72.
MIN HUMIDITY........30 TO 35 PERCENT.
WIND - EYE LEVEL....NORTHEAST 3 TO 5 MPH IN THE MORNING...SHIFTING
                    TO THE SOUTH AROUND 8 MPH IN THE AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WIND......WEST AROUND 10 MPH.
VENTILATION INDEX...650 GOOD.

$$
FORECASTER...DECKER
REQUESTED BY...DISPATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20100917.LOSTV.02/BOI