FNUS75 KBOI 072215
FWSBOI

SPOT FORECAST FOR ROCK FLAT PILE BURN...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
315 PM MST WED NOV 7 2012

FORECAST IS BASED ON IGNITION TIME OF 0700 MST ON NOVEMBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RAIN CHANGING OVER TO SNOW THURSDAY AFTERNOON...

.DISCUSSION...THE MORNING INVERSION SHOULD MIX OUT AROUND 1100 HOURS
JUST IN TIME FOR CLOUDS TO FORM OVER THE HIGHEST RIDGES BY EARLY AFTERNOON.
AN UPPER LEVEL LOW PRESSURE SYSTEM WILL BRING INCREASING MOISTURE AND
INSTABILITY FOR PRECIPITATION AS A COLD FRONT ARRIVES WITH DROPPING
TEMPERATURES BY AROUND 1700 HOURS FOR SNOW TO BEGIN DURING THE EVENING.
ONLY ABOUT AN INCH OR SO WILL FALL THURSDAY NIGHT AND FRIDAY NEAR THE BURN
SITE WITH MUCH HIGHER AMOUNTS ON THE HIGHER PEAKS. SNOW SHOWERS WILL
LINGER ON FRIDAY WITH TEMPERATURES REMAINING BELOW FREEZING.

.THURSDAY...

SKY/WEATHER.........RAIN SHOWERS. CHANCE OF SHOWERS 90 PERCENT.
MAX TEMPERATURE.....35 TO 40.
MIN HUMIDITY........78 TO 92 PERCENT.
WIND - EYE LEVEL....SOUTH AROUND 4 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...500 GOOD.

.TONIGHT...

SKY/WEATHER.........CLOUDY WITH SNOW SHOWERS LIKELY. CHANCE OF SNOW
                    60 PERCENT. SNOW ACCUMULATION AROUND 1 INCH.
MIN TEMPERATURE.....22 TO 27.
MAX HUMIDITY........95 TO 100 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 3 TO 5 MPH IN THE EVENING...BECOMING
                    LESS THAN 3 MPH AFTER MIDNIGHT.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 5 MPH.
VENTILATION INDEX...45 POOR.

.FRIDAY...

SKY/WEATHER.........CLOUDY WITH A 50 PERCENT CHANCE OF SNOW
                    SHOWERS.
MAX TEMPERATURE.....24 TO 30.
MIN HUMIDITY........78 TO 92 PERCENT.
WIND - EYE LEVEL....WEST AROUND 3 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WIND......WEST AROUND 15 MPH.
VENTILATION INDEX...450 FAIR.

$$
FORECASTER...DECKER
REQUESTED BY...ANN NICHOLSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20121108.ROCKF.01/BOI