FNUS75 KBOI 131734
FWSBOI

SPOT FORECAST FOR POLEMILL RX BLOCK B...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
1134 AM MDT WED OCT 13 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON OCTOBER 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...IMPROVING SMOKE DISPERSION THURSDAY...

.DISCUSSION...
A RIDGE ALOFT AND A SURFACE HIGH PRESSURE SYSTEM WILL REMAIN OVER
THE REGION TODAY BRINGING ONE MORE DAY OF LIMITED SMOKE DISPERSION.
THE RIDGE WILL MOVE EASTWARD THURSDAY BRINGING BETTER WINDS AND
WARMER TEMPERATURES TO THE FIRE AREA. THESE WARMER TEMPERATURES WILL
HELP BRING BETTER MIXING TO THE FIRE AREA. A WEAK COLD FRONT IS
EXPECTED TO MOVE THROUGH THE FIRE AREA AROUND SUNRISE FRIDAY. LIMITED
IF ANY PRECIPITATION IS EXPECTED WITH THIS FRONT ONLY A SHIFT IN THE
WINDS TO MORE WEST TO NORTHWEST.


.REST OF TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....60 TO 65.
MIN HUMIDITY........18 TO 22 PERCENT.
WIND - EYE LEVEL....LIGHT UPSLOPE 2 TO 4 MPH BY EARLY AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...350 FAIR.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........30 TO 35 PERCENT.
WIND - EYE LEVEL....DOWNSLOPE 1 TO 2 MPH BECOMING CALM BY MIDNIGHT.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WIND......SOUTHEAST AROUND 5 MPH.
VENTILATION INDEX...75 POOR.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....65 TO 70.
MIN HUMIDITY........20 TO 25 PERCENT.
WIND - EYE LEVEL....LIGHT UPSLOPE 2 TO 5 MPH BY NOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...550 GOOD.

$$
FORECASTER...BURGESS/REDMAN
REQUESTED BY...DISPATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20101013.POLEM.01/BOI