FNUS75 KBOI 281418
FWSBOI

SPOT FORECAST FOR WEST MOUNTAIN NORTH PILES...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
818 AM MDT WED OCT 28 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON OCTOBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...REMAINING COLD AND BREEZY WITH A CHANCE OF SNOW THURSDAY NIGHT AND FRIDAY...

.DISCUSSION...
COLD NORTHERLY FLOW WILL CONTINUE OVER THE BOISE NATIONAL FOREST THROUGH
THURSDAY AS WE ARE SANDWICHED BETWEEN WEATHER SYSTEMS IN THE ROCKIES AND OFF
THE PACIFIC COAST. THIS FLOW MAY CHANNEL THROUGH THE SADDLES ON NO BUSINESS
MOUNTAIN FOR A NORTH WIND ON THE BURN...WHICH WOULD OVERCOME THE UPSLOPE
SOUTHEAST WINDS. THE NEXT FEATURE OF INTEREST WILL ARRIVE LATE THURSDAY
AFTERNOON OR THURSDAY NIGHT FOR A CHANCE OF SNOW WITH ONLY AN INCH OR TWO
ACCUMULATION AND A RETURN TO SOUTHEAST WINDS. ANOTHER TRACE OF SNOW IS EXPECTED
ON FRIDAY AS A COLD FRONT USHERS IN NORTHWEST WINDS. A LOOK AHEAD TO THE WEEKEND
FEATURES WARMER TEMPERATURES...SOUTHWEST TRANSPORT WINDS...AND DRY CONDITIONS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....28 TO 39.
MIN HUMIDITY........50 TO 64 PERCENT.
WIND - EYE LEVEL....NORTH 4 TO 8 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WIND......NORTH AROUND 15 MPH.
VENTILATION INDEX...600 GOOD.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SNOW...BECOMING MORE
                    LIKELY OVERNIGHT.
MAX TEMPERATURE.....29 TO 39.
MIN HUMIDITY........44 TO 58 PERCENT.
WIND - EYE LEVEL....UPSLOPE SOUTHEAST 4 TO 6 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 5 MPH.
VENTILATION INDEX...100 POOR.

$$
FORECASTER...DECKER
REQUESTED BY...MARK LOSEKE
TYPE OF REQUEST...PRESCRIBED
.TAG 20091028.WESTM.01/BOI