FNUS75 KBOI 161629
FWSBOI

SPOT FORECAST FOR 5 CREEKS...BURNS BLM
NATIONAL WEATHER SERVICE BOISE ID
1029 AM MDT WED SEP 16 2009

FORECAST IS BASED ON IGNITION TIME OF 1400 PDT ON SEPTEMBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WARM AND GUSTY TODAY WITH DRY COLD FRONT THIS EVENING...

.DISCUSSION...
A DRY COLD FRONT WILL MOVE OVER THE 5 CREEKS BURN AREA THIS EVENING
AFTER 2000 HOURS. UNTIL THEN EXPECT NEAR RECORD WARMTH AND SOUTHEAST
WIND GUSTS NEAR 25 MILES PER HOUR. ONCE THE FRONT PASSES AROUND SUNSET
WINDS WILL BE FROM THE NORTHWEST WHICH ALIGNS WITH THE 5 CREEKS TERRAIN.
OF PARTICULAR CONCERN IS ALIGNMENT WITH KIGER CREEK AND STONEHOUSE CREEK
TO THE EAST OF THE BURN. SINCE STONEHOUSE CREEK IS SEVERLY DOWNSLOPE ON
THE LEE OF STEENS MOUNTAIN...COMPRESSIONAL WARMING AND DRYING IS POSSIBLE
WITH STRONG WIND GUSTS. SLIGHTLY COOLER TEMPERATURES ARE EXPECTED THURSDAY.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....82 TO 84.
MIN HUMIDITY........17 TO 20 PERCENT.
WIND - EYE LEVEL....SOUTH TO SOUTHEAST 10 TO 12 MPH WITH GUSTS NEAR 25 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......7500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 15 MPH.
VENTILATION INDEX...750 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....48.
MAX HUMIDITY........60 TO 70 PERCENT.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...50 POOR.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....77.
MIN HUMIDITY........20 TO 25 PERCENT.
WIND - EYE LEVEL....WEST AROUND 8 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WIND......NORTHWEST 15 MPH.
VENTILATION INDEX...300 FAIR.

$$
FORECASTER...DECKER
REQUESTED BY...DAVE TONEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090916.5CREE.01/BOI