FNUS75 KBOI 031428
FWSBOI

SPOT FORECAST FOR CAPTAIN RX...PAYETTE DISPATCH
NATIONAL WEATHER SERVICE BOISE ID
828 AM MDT FRI SEP 3 2010

FORECAST IS BASED ON IGNITION TIME OF 0825 MDT ON SEPTEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HOT AND DRY TODAY AND SATURDAY AHEAD OF BIG COOL DOWN SUNDAY...
...WIDELY SCATTERED THUNDERSTORMS POSSIBLE SATURDAY AFTERNOON AND EVENING...

.DISCUSSION...
A LARGE OF RIDGE OF HIGH PRESSURE ALOFT CONTINUES TO BUILD OVER THE BURN
AREA. THIS SYSTEM WILL PEAK TODAY AND SLOWLY BREAK DOWN SATURDAY AFTERNOON
AHEAD OF AN APPROACHING COLD FRONT.  THE FRONT PASSES SATURDAY NIGHT
USHERING IN SHARPLY COOLER AND WINDY CONDITIONS FOR THE REST OF THE WEEKEND
AND INTO MONDAY. ANY THUNDERSTORMS THAT DEVELOP SATURDAY WILL HAVE THE
POTENTIAL FOR GUSTY AND ERRATIC WINDS UP TO 40 MPH.

.TODAY...

SKY/WEATHER.........SUNNY. VERY WARM.
MAX TEMPERATURE.....77 TO 87.
MIN HUMIDITY........14 TO 19 PERCENT.
WIND - EYE LEVEL....SOUTH 4 TO 9 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...550 GOOD.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....55 TO 60.
MAX HUMIDITY........49 TO 54 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 3 TO 5 MPH IN THE EVENING...SHIFTING
                    TO THE NORTHEAST UP TO 3 MPH AFTER MIDNIGHT.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...75 POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING WITH INCREASING
                    AFTERNOON CLOUDS.  A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS AFTER 3PM.
MAX TEMPERATURE.....71 TO 82.
MIN HUMIDITY........20 TO 26 PERCENT.
WIND - EYE LEVEL....LESS THAN 3 MPH IN THE MORNING...BECOMING
                    SOUTHWEST 6 TO 12 MPH IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS UP TO 40 MPH NEAR ANY THUNDERSTORMS.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...2000 EXCELLENT.

$$
FORECASTER...SKARI
REQUESTED BY...PRF FOR PAYETTE
TYPE OF REQUEST...PRESCRIBED
.TAG 20100903.CAPTA.01/BOI