FNUS75 KBOI 262044
FWSBOI

SPOT FORECAST FOR PATRICK BUTTE RX...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
244 PM MDT WED AUG 26 2009

FORECAST IS BASED ON IGNITION TIME OF 1500 MDT ON AUGUST 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...CONTINUING HOT AND DRY ON THURSDAY...

.DISCUSSION...
AN UPPER LEVEL RIDGE WILL CONTINUE TO BE THE MAIN INFLUENCE THROUGH
FRIDAY BRINGING HOT AND DRY CONDITIONS. THE SURFACE THERMAL TROUGH WILL
SHIFT EAST OF THE BURN AREA BRINGING A SLIGHT INCREASE IN WINDS ON
FRIDAY. AS AN UPPER LEVEL LOW APPROACHES OVER THE WEEKEND CONDITIONS
WILL BECOME COOLER AND MORE HUMID WITH THE CHANCE OF THUNDERSTORMS AND
SHOWERS.

.TODAY/THURSDAY/...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....73 NEAR RIDGETOP TO NEAR 90 IN LOWER ELEVATIONS.
MIN HUMIDITY........NEAR 15 PERCENT IN LOW ELEVATIONS TO NEAR 28 PERCENT
    AT RIDGE TOPS.
WIND - EYE LEVEL....LIGHT UP VALLEY 3 TO 5 MPH...EXCEPT SOUTH 5 TO 10 MPH AT
    RIDGETOPS.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......8000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...800 EXCELLENT.

.TONIGHT/THURSDAY NIGHT/...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....50 TO 55...NEAR 60 IN MID SLOPES.
MAX HUMIDITY........33 TO 48 PERCENT.
WIND - EYE LEVEL....BECOMING DOWN SLOPE 1 TO 3 MPH AFTER SUNSET. SOUTHWEST
    AT 5 TO 10 NEAR RIDGETOPS.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......SOUTH AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....73 NEAR RIDGETOP TO NEAR 90 IN LOWER ELEVATIONS.
MIN HUMIDITY........NEAR 15 PERCENT IN LOW ELEVATIONS TO NEAR 28 PERCENT
    AT RIDGE TOPS.
WIND - EYE LEVEL....UP VALLEY AT 5 TO 7 MPH WITH SOUTHWEST 10 TO 15 MPH
    NEAR RIDGETOPS.
HAINES INDEX........6 HIGH.
MIXING HEIGHT.......8000 FT AGL.
TRANSPORT WIND......SOUTH AROUND 10 MPH.
VENTILATION INDEX...800 EXCELLENT.

$$
FORECASTER...REDMAN
REQUESTED BY...SARAH HUMBACH
TYPE OF REQUEST...PRESCRIBED
.TAG 20090826.PATRI.01/BOI