FNUS75 KBOI 032003
FWSBOI

SPOT FORECAST FOR UPPER WEISER...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
203 PM MDT FRI SEP 3 2010

FORECAST IS BASED ON IGNITION TIME OF 1355 MDT ON SEPTEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HOT AND DRY WITH WINDS INCREASING DURING SATURDAY AFTERNOON...
...WIDELY SCATTERED THUNDERSTORMS SATURDAY AFTERNOON...
...BREEZY AND MUCH COOLER ON SUNDAY...

.DISCUSSION...
...AN UPPER LEVEL RIDGE OVER THE AREA WILL RESULT IN TEMPERATURES WELL
ABOVE NORMAL AND LOW RH TODAY AND SATURDAY. LIGHT WINDS EXPECTED TODAY
AND TONIGHT. A LOW PRESSURE SYSTEM WILL DEEPEN OVER THE AREA DURING
THE WEEKEND. WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED OVER THE FIRE
AREA DURING SATURDAY AFTERNOON OR EVENING. BREEZY WEST TO SOUTHWEST
WINDS AHEAD OF A COLD FRONT ON SATURDAY AFTERNOON WILL SHIFT NORTHWEST
FOLLOWING THE FRONT AND CONTINUE THROUGH SUNDAY WITH MUCH COOLER
CONDITIONS AND SHOWERS.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....53 TO 58.
MAX HUMIDITY........42 TO 52 PERCENT.
WIND - EYE LEVEL....LIGHT WINDS AROUND 4 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....71 TO 80.
MIN HUMIDITY........22 TO 28 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 3 TO 7 MPH. BECOMING WEST TO SOUTHWEST
                    8 TO 12 MPH WITH GUSTS TO 20 MPH DURING THE LATE
                    AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WIND......WEST AROUND 15 MPH.
VENTILATION INDEX...1275 EXCELLENT.

OUTLOOK FOR SATURDAY NIGHT AND SUNDAY...THE COLD FRONT WILL MOVE THROUGH
THE FIRE AREA DURING SATURDAY NIGHT WITH WINDS SHIFTING TO THE NORTHWEST
AND INCREASING DURING SUNDAY. SUNDAY WILL BE BREEZY AND MUCH COOLER WITH
THE CHANCE OF SHOWERS OVER THE FIRE AREA.

$$
FORECASTER...EGAN
REQUESTED BY...DISPATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20100903.UPPER.01/BOI