FNUS75 KBOI 201602
FWSBOI

SPOT FORECAST FOR SUMMIT GULCH RX...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
1002 AM MDT TUE SEP 20 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON SEPTEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...MUCH DRIER TODAY WITH LIGHT WINDS AND FAIR VENTILATION...

.DISCUSSION...LIGHT TRANSPORT WINDS AND STABLE ATMOSPHERIC CONDITIONS
WILL LIMIT SMOKE DISPERSION TODAY AND EVEN MORE SO TOMORROW. LOOK FOR
WINDS TO BE UPVALLEY FROM THE SOUTHWEST ALONG SUMMIT GULCH DURING THE
AFTERNOON BURNING PERIOD. WINDS WILL REVERSE TONIGHT FROM THE NORTHEAST
WHILE OVERNIGHT HUMIDITY RECOVERY WILL BE MARGINAL AT ABOUT 40 PERCENT.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....69.
MIN HUMIDITY........23 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 4 TO 6 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WIND......WEST AROUND 5 MPH.
VENTILATION INDEX...300 FAIR.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....55.
MAX HUMIDITY........40 PERCENT.
WIND - EYE LEVEL....NORTHEAST AROUND 5 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......NORTHEAST AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....74 TO 77.
MIN HUMIDITY........15 TO 20 PERCENT.
WIND - EYE LEVEL....LESS THAN 3 MPH IN THE MORNING...BECOMING
                    SOUTHWEST AROUND 6 MPH IN THE AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WIND......WEST AROUND 5 MPH.
VENTILATION INDEX...250 FAIR.

$$
FORECASTER...DECKER
REQUESTED BY...SARAH HUMBACH
TYPE OF REQUEST...PRESCRIBED
.TAG 20110920.SUMMI.03/BOI