FNUS75 KBOI 141244
FWSBOI

SPOT FORECAST FOR COTTONWOOD III...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
644 AM MDT THU OCT 14 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON OCTOBER 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...EXCELLENT VENTILATION TODAY...
...DRY COLD FRONT ON FRIDAY...

.DISCUSSION...
MILD AND DRY CONDITIONS TODAY WITH INCREASED TRANSPORT WINDS AND
MIXING HEIGHTS IMPROVING THE VENTILATION INDEX AT THE BURN SITE. GUSTY
SOUTHWEST WINDS TO 20 MPH ALONG RIDGE TOPS. A COLD FRONT WILL MOVE THROUGH
THE SOUTHERN BOISE MOUNTAINS FRIDAY MORNING WILL INCREASE CLOUDS BUT NOT
PRODUCE ANY PRECIPITATION. WINDS WILL SHIFT TO THE WEST-NORTHWEST FRIDAY
MORNING BEHIND THE FRONT.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....80.
MIN HUMIDITY........16 PERCENT.
WIND - EYE LEVEL....UPSLOPE/UP-DRAINAGE 3 TO 8 MPH. GUSTS TO 20 MPH
                    ALONG RIDGE TOPS.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 20 MPH.
VENTILATION INDEX...1400 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....37.
MAX HUMIDITY........82 PERCENT.
WIND - EYE LEVEL....UPSLOPE/UP-DRAINAGE AROUND 3 TO 6 MPH IN THE EVENING
                    BECOMING DOWNSLOPE/DOWN-DRAINAGE AROUND 4 MPH AFTER
                    MIDNIGHT.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......SOUTH AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........25 TO 29 PERCENT.
WIND - EYE LEVEL....DOWNSLOPE/DOWN-DRAINAGE AROUND AROUND 4 MPH IN THE
                    MORNING...BECOMING WEST 6 TO 9 MPH BY NOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...450 FAIR.

$$
FORECASTER...GROENERT
REQUESTED BY...MIKE BRADY
TYPE OF REQUEST...PRESCRIBED
.TAG 20101014.COTTO.01/BOI