FNUS75 KBOI 111343
FWSBOI

SPOT FORECAST FOR ALDER RIDGE...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
743 AM MDT FRI MAY 11 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON MAY 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...SUNNY AND DRY WITH EXCELLENT MIXING THIS AFTERNOON...
...NEAR RECORD HIGHS MONDAY...

.DISCUSSION...
HIGH PRESSURE WILL RESULTING IN MODERATE TRANSPORT WINDS AND
EXCELLENT MIXING ALONG WITH DRY AIR AND SUNNY SKIES. STARTING TONIGHT
A SUBSIDENCE INVERSION ALOFT WILL BEGIN TO LOWER. BY SATURDAY THERE
WILL BE LESS VENTILATION BUT IT WILL BE WARMER AND REMAIN DRY.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....64 TO 66.
MIN HUMIDITY........16 TO 19 PERCENT.
WIND - EYE LEVEL....UPSLOPE WEST TO SOUTHWEST 3 TO 5 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WIND......WEST AROUND 13 MPH.
VENTILATION INDEX...7800 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....37.
MAX HUMIDITY........55 PERCENT.
WIND - EYE LEVEL....DOWNSLOPE EAST 2 TO 4 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......NORTHEAST AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.SATURDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....72 TO 74.
MIN HUMIDITY........15 TO 17 PERCENT.
WIND - EYE LEVEL....LIGHT WIND LESS THAN 3 MPH IN THE MORNING...BECOMING
                    WEST 2 TO 4 MPH IN THE AFTERNOON.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...500 GOOD.

$$
FORECASTER...MILLS/DECKER
REQUESTED BY...ALLYN SPANFELLNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120511.ALDER.01/BOI