FNUS75 KBOI 281650
FWSBOI

SPOT FORECAST FOR PATRICK BUTTE RX...PAYETTE DISPATCH
NATIONAL WEATHER SERVICE BOISE ID
1050 AM MDT FRI AUG 28 2009

FORECAST IS BASED ON IGNITION TIME OF 1015 MDT ON AUGUST 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HOT AND DRY TODAY THEN COOLER ON SATURDAY WITH CHANCE OF SHOWERS
OR THUNDERSTORMS...

.DISCUSSION...
HOT AND DRY TODAY AS A RIDGE REMAINS THE MAIN WEATHER INFLUENCE. SOME
HIGH CLOUDS IS INCREASING AHEAD OF AN UPPER LOW THAT WILL RESULT IN
COOLER TEMPERATURES AS WELL AS SHOWERS AND THUNDERSTORMS OVER THE
WEEKEND. PRECIPITATION AMOUNT IS EXPECTED TO BE ABOUT .5 INCH FROM
SATURDAY AFTERNOON THROUGH SUNDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....75 TO NEAR 90 AT LOWEST ELEVATIONS.
MIN HUMIDITY........12 AT LOWEST ELEVATIONS TO NEAR 20 PERCENT AT RIDGETOP.
WIND - EYE LEVEL....SOUTHWEST 3 TO 7 MPH AT RIDGETOP...NORTH UP TO 3 MPH
    AT MID-SLOPE.
HAINES INDEX........4 MODERATE.
MIXING HEIGHT.......9000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...900 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY.
MIN TEMPERATURE.....48 TO 54...NEAR 58 AT MID-SLOPE.
MAX HUMIDITY........45 TO 51 PERCENT.
WIND - EYE LEVEL....SOUTH 3 TO 5 MPH.
HAINES INDEX........4 MODERATE.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON. LIGHT PRECIPITATION
    EXPECTED.
MAX TEMPERATURE.....AROUND 60 OVER THE RIDGES TO NEAR 70 AT LOWEST ELEVATIONS.
MIN HUMIDITY........35 AT LOWEST ELEVATIONS TO 48 PERCENT AT RIDGETOP.
WIND - EYE LEVEL....NORTH 3 TO 8 MPH BOTH AT THE SURFACE AND OVER THE RIDGES.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 5 MPH.
VENTILATION INDEX...275 FAIR.

$$
FORECASTER...REDMAN
REQUESTED BY...SARAH HUMBACH
TYPE OF REQUEST...PRESCRIBED
.TAG 20090828.PATRI.01/BOI