FNUS75 KBOI 220949
FWSBOI

SPOT FORECAST FOR SPRINGS...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
349 AM MDT WED AUG 22 2012

FORECAST IS BASED ON REQUEST TIME OF 2201 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...VERY WARM AND DRY THROUGH THURSDAY...
...BREEZY...VERY WARM AND DRY FRIDAY...
...LITTLE OR NO RAIN THROUGH THE END OF AUGUST ANTICIPATED...

.DISCUSSION...
DRY WESTERLY FLOW WILL REMAIN IN CONTROL OVER THE GARDEN VALLEY
REGION TODAY THROUGH SATURDAY. WHILE FASTER WINDS FROM ALOFT WILL MIX
DOWN ACROSS THE SPRINGS FIRE THE NEXT TWO AFTERNOONS...WINDS ARE
EXPECTED TO BE STRONGEST FRIDAY AFTERNOON. THIS IS DUE TO A DRY COLD
FRONT WITH GUSTY WEST WINDS WHICH WILL CROSS THE FIRE THURSDAY NIGHT
FOLLOWED BY A DEEP BUT DRY UPPER TROUGH FRIDAY. LESS WIND WITH DRY
SOUTHWEST FLOW SATURDAY WILL WARM TEMPERATURES TO AROUND 5 DEGREES
ABOVE NORMAL BY SUNDAY AND LINGER INTO INTO EARLY NEXT WEEK.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....2900 FEET 88 AND 6000 FEET 77.
MIN HUMIDITY........2900 FEET 16 PERCENT AND 6000 FEET 24 PERCENT.
WIND - EYE LEVEL....UPSLOPE/UPVALLEY 2 TO 4 MPH THIS MORNING...SHIFTING
                    TO PREDOMINANTLY SOUTHWEST 4 TO  7 MPH WITH GUSTS
                    TO 11 MPH LATE IN THE AFTERNOON.
                    RIDGE TOPS...SOUTHWEST TO WEST 15 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......9500 FT AGL.
TRANSPORT WIND......WEST AROUND 10 MPH.
VENTILATION INDEX...950 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....2900 FEET 60 AND 6000 FEET 48.
MAX HUMIDITY........2900 FEET 39 PERCENT AND 6000 FEET 59 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 3 TO 5 MPH IN THE EVENING...SHIFTING TO
                    DOWNSLOPE/DOWNVALLEY. PREDOMINANTLY EAST 1 TO 3 MPH
                    AFTER MIDNIGHT.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WIND......EAST AROUND 5 MPH.
VENTILATION INDEX...45 POOR.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....74 TO 89.
MIN HUMIDITY........14 TO 21 PERCENT.
WIND - EYE LEVEL....PREDOMINANTLY SOUTHWEST 4 TO 7 WITH GUSTS TO 11 MPH.
                    RIDGE TOPS WEST 15 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WIND......WEST AROUND 20 MPH.
VENTILATION INDEX...1700 EXCELLENT.

$$
FORECASTER...MILLS
REQUESTED BY...ICT3 TIM OLIVERIUS
TYPE OF REQUEST...WILDFIRE
.TAG 20120821.SPRIN.01/BOI