FNUS75 KBOI 092112
FWSBOI

SPOT FORECAST FOR BEAR CREEK RX...BOISE NF
NATIONAL WEATHER SERVICE BOISE ID
312 PM MDT WED MAY 9 2012

FORECAST IS BASED ON IGNITION TIME OF 1515 MDT ON MAY 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...MUCH COOLER CONDITIONS THURSDAY...
...STRONG NORTHWEST WINDS OVER THE REGION THURSDAY...

.DISCUSSION...
A STRONG COLD FRONT WILL EXIT THE BURN AREA EARLY THURSDAY MORNING BUT A
TIGHT PRESSURE GRAIDENT WILL EXIST THROUGH NOON. THIS WILL BRING STRONG
NORTHWEST WINDS OVER THE BURN AREA. THE AFTERNOON WILL BE DRY BUT THERE
IS A GOOD CHANCE OF LIGHT PRECIPITATION OVERNIGHT. THE AIRMASS BEHIND THE
FRONT IS VERY DRY WITH FORECASTED DEWPOINTS IN THE SINGLE DIGITS TO LOW
TEENS...THEREFORE AFTERNOON HUMIDITIES ARE EXPECTED TO BE RATHER LOW THROUGH
THE WEKEKND...ESPECIALLY AS TEMPERATURES ARE EXPECTED TO RISE IN THE
FRIDAY THROUGH TUESDAY PERIOD.


.TODAY/THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
                    AND SNOW SHOWERS IN THE MORNING...THEN SUNNY
                    BY NOON. SNOW LEVEL AROUND 6000 FEET.
MAX TEMPERATURE.....40 TO 50.
MIN HUMIDITY........21 TO 31 PERCENT.
WIND - EYE LEVEL....WEST TO NORTHWEST 6 TO 10 MPH IN THE LOWER ELEVATIONS AND
                    10 TO 15 MPH WITH GUSTS TO 20 MPH ALONG THE RIDGES.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...550 GOOD.

.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....21 TO 26.
MAX HUMIDITY........54 TO 69 PERCENT.
WIND - EYE LEVEL....DOWNSLOPE 1 TO 3 MPH AFTER SUNSET. CALM BY MIDNIGHT.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WIND......EAST AROUND 5 MPH.
VENTILATION INDEX...100 POOR.

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....45 TO 55.
MIN HUMIDITY........16 TO 24 PERCENT.
WIND - EYE LEVEL....UPSLOPE 2 TO 5 MPH AFTER 1000 AM.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...600 GOOD.

$$
FORECASTER...REDMAN
REQUESTED BY...REX MILLER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120509.BEARC.02/BOI