FNUS75 KBOI 162330
FWSBOI

SPOT FORECAST FOR 5 CREEKS...BURNS BLM
NATIONAL WEATHER SERVICE BOISE ID
530 PM MDT WED SEP 16 2009

FORECAST IS BASED ON IGNITION TIME OF 1710 PDT ON SEPTEMBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...SHIFTING GUSTY WINDS WITH DRY COLD FRONTAL PASSAGE THIS EVENING...

.DISCUSSION...
AS OF 4 PM PDT THE COLD FRONT WAS JUST EAST OF PRINEVILLE. NEAR RECORD
WARMTH AND SOUTH WIND GUSTS NEAR 25 MPH SHIFT TO NORTHWEST ABOUT 1930
PDT THIS EVENING. THIS ALIGNS WITH THE 5 CREEKS TERRAIN. EXPECT GUSTY
NORTHWEST WINDS TO 20 MPH AT TIMES THROUGH THE NIGHT DUE TO BUILDING
HIGH PRESSURE. OF PARTICULAR CONCERN IS ALIGNMENT WITH KIGER CREEK
AND STONEHOUSE CREEK TO THE EAST OF THE BURN. SINCE STONEHOUSE CREEK
IS SEVERELY DOWNSLOPE ON THE LEE OF STEENS MOUNTAIN...COMPRESSIONAL
WARMING AND DRYING IS POSSIBLE WITH STRONG WIND GUSTS. SLIGHTLY COOLER
TEMPERATURES ARE EXPECTED THURSDAY.


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....48 TO 50.
MAX HUMIDITY........60 TO 65 PERCENT.
WIND - EYE LEVEL....SOUTH 6 TO 10 MPH SHIFTING TO NORTHWEST ABOUT 1930
                    PM...6 TO 12 MPH WITH GUSTS UP TO 20 MPH THROUGH
                    THE NIGHT.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 15 MPH.
VENTILATION INDEX...75 POOR.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....75 TO 77.
MIN HUMIDITY........17 TO 22 PERCENT.
WIND - EYE LEVEL....NORTHWEST 5 TO 8 MPH UNTIL 1000 PDT THEN INCREASING
                    TO 9 TO 13 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...450 FAIR.

$$
FORECASTER...MILLS
REQUESTED BY...DAVE TONEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090916.5CREE.02/BOI