FNUS75 KBOI 231635
FWSBOI

SPOT FORECAST FOR SECECH PILES...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
935 AM MST FRI NOV 23 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON NOVEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...MILD WITH HIGH CLOUDS TODAY...PRECIPITATION EVENT TONIGHT AND SATURDAY...

.DISCUSSION...A RIDGE OF HIGH PRESSURE WILL BE FLATTENING OUT TODAY
AS AN UPPER LEVEL DISTURBANCE MOVES IN FROM WESTERN WASHINGTON. THIS
WILL BRING HIGH LEVEL CLOUD COVER TO THE SECESH PILE BURN...WITH MILD
TEMPERATURES ABOVE NORMAL AND SOUTH WINDS. SINCE THE BURN IS STILL
UNDER THE HIGH PRESSURE RIDGE...MIXING HEIGHTS WILL BE LIMITED WHICH
WILL RESULT IN POOR VENTILATION. LOOK FOR SNOW SHOWERS OVERNIGHT AND
SATURDAY WITH UP TO 3 INCHES ACCUMULATION. THE OUTLOOK CALLS FOR CLEARING
IN DRY NORTHWEST FLOW BEGINNING SATURDAY NIGHT AND BRISK WINDS SUNDAY.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY CLOUDY.
MAX TEMPERATURE.....40 TO 43.
MIN HUMIDITY........45 TO 50 PERCENT.
WIND - EYE LEVEL....SOUTH 5 TO 10 MPH WITH GUSTS TO 12 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WIND......SOUTH AROUND 15 MPH.
VENTILATION INDEX...135 POOR.

.TONIGHT...

SKY/WEATHER.........CLOUDY. A SLIGHT CHANCE OF SNOW AND RAIN IN THE
                    EVENING...THEN A CHANCE OF SNOW AFTER MIDNIGHT.
                    CHANCE OF PRECIPITATION 40 PERCENT.
MIN TEMPERATURE.....30 TO 35.
MAX HUMIDITY........76 TO 82 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 4 TO 10 MPH WITH GUSTS TO 15 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...100 POOR.

.SATURDAY...

SKY/WEATHER.........SNOW SHOWERS. CHANCE OF SNOW 90 PERCENT. SNOW
                    ACCUMULATION OF 2 TO 3 INCHES.
MAX TEMPERATURE.....31 TO 36.
MIN HUMIDITY........74 TO 79 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 4 TO 9 MPH WITH GUSTS TO 16 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...150 POOR.

$$
FORECASTER...DECKER
REQUESTED BY...FRANCIS RUSSO
TYPE OF REQUEST...PRESCRIBED
.TAG 20121123.SECEC.01/BOI