FNUS75 KBOI 281424
FWSBOI

SPOT FORECAST FOR ALDER RIDGE  4...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
824 AM MDT FRI OCT 28 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON OCTOBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...CLOUDY TODAY BUT WARMER...

.DISCUSSION...DESPITE HIGH CLOUDS MOVING IN FROM THE WEST TODAY...IT WILL
BE WARMER THANKS TO A WARM FRONT MOVING IN ON SOUTHWEST FLOW ALOFT.
ALTHOUGH THE SURFACE BASED INVERSION WILL MIX OUT AROUND 1200 HOURS THERE
IS ANOTHER SUBSIDENCE INVERSION ABOUT 2500 FEET ABOVE THE ALDER RIDGE
BURN UNIT WHICH WILL LIMIT VENTILATION SOMEWHAT THIS AFTERNOON. A WEAK
TROUGH OF LOW PRESSURE WILL MOVE OVER THE AREA TOMORROW...ALONG WITH AN
ASSOCIATED COLD FRONT THAT MAY BRING LIGHT SHOWERS BY TOMORROW AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY.
MAX TEMPERATURE.....47 TO 52.
MIN HUMIDITY........21 TO 28 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 3 TO 6 MPH THIS MORNING...BECOMING SOUTH TO
                    SOUTHWEST 4 TO 8 MPH AFTER 1200 HOURS.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...350 FAIR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS.
MIN TEMPERATURE.....33 TO 38.
MAX HUMIDITY........59 TO 69 PERCENT.
WIND - EYE LEVEL....SOUTH 3 TO 8 MPH WITH GUSTS TO 14 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WIND......SOUTH AROUND 10 MPH.
VENTILATION INDEX...50 POOR.

.SATURDAY...

SKY/WEATHER.........CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS.
MAX TEMPERATURE.....42 TO 57.
MIN HUMIDITY........39 TO 59 PERCENT.
WIND - EYE LEVEL....WEST 3 TO 6 MPH.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WIND......WEST AROUND 10 MPH.
VENTILATION INDEX...500 GOOD.

$$
FORECASTER...DECKER
REQUESTED BY...ALLYN SPANFELLNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20111028.ALDER.01/BOI