FNUS75 KBOI 291727
FWSBOI

SPOT FORECAST FOR DIAMOND ROCK...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
1127 AM MDT TUE SEP 29 2009

FORECAST IS BASED ON IGNITION TIME OF 1125 MDT ON SEPTEMBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...COLD FRONT THIS AFTERNOON WITH BREEZY WIND SHIFT AND SNOW TONIGHT...

.DISCUSSION...
A DRY COLD FRONT WILL MOVE ACROSS THE DIAMOND ROCK FIRE AT ABOUT
1400 HOURS THIS AFTERNOON. IT WILL BRING AN ABRUPT WIND SHIFT BUT
PRECIPITATION WILL FOLLOW WELL BEHIND THE COLD FRONT BEGINNING
AFTER 1800 HOURS. RAIN WILL CHANGE OVER TO SNOW TONIGHT AND CONTINUE
THROUGH WEDNESDAY MORNING WITH TWO TO FOUR INCHES OF SNOWFALL.
TEMPERATURES WILL ONLY REACH A MAX OF ABOUT 30 DEGREES ON WEDNESDAY.

.REST OF TODAY...

SKY/WEATHER.........CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS LATE IN
                    THE AFTERNOON.
MAX TEMPERATURE.....45 TO 50.
MIN HUMIDITY........35 TO 41 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 11 TO 17 MPH WITH GUSTS TO 30 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WIND......SOUTHWEST 20 TO 30 MPH.
VENTILATION INDEX...600 GOOD.

.TONIGHT...

SKY/WEATHER.........CLOUDY. SNOW SHOWERS IN THE EVENING...THEN SNOW
                    SHOWERS LIKELY WITH 2 TO 4 INCHES ACCUMULATION.
MIN TEMPERATURE.....21 TO 28.
MAX HUMIDITY........92 TO 100 PERCENT.
WIND - EYE LEVEL....NORTHWEST 7 TO 12 MPH WITH GUSTS TO 25 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......NORTHWEST 15 TO 20 MPH.
VENTILATION INDEX...200 FAIR.

.WEDNESDAY...

SKY/WEATHER.........CLOUDY. SNOW SHOWERS LIKELY IN THE
                    MORNING...THEN A CHANCE OF SNOW SHOWERS IN THE
                    AFTERNOON. ADDITIONAL ACCUMULATION OF AN INCH.
MAX TEMPERATURE.....32.
MIN HUMIDITY........66 TO 81 PERCENT.
WIND - EYE LEVEL....NORTHWEST 7 TO 12 MPH WITH GUSTS TO 20 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 20 MPH.
VENTILATION INDEX...600 GOOD.

$$
FORECASTER...DECKER
REQUESTED BY...ANN NICHOLSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20090929.DIAMO.01/BOI