FNUS75 KBOI 211436
FWSBOI

SPOT FORECAST FOR 5 CR  RX...BURNS BLM
NATIONAL WEATHER SERVICE BOISE ID
836 AM MDT FRI OCT 21 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON OCTOBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...DRY CONDITIONS WITH GENERALLY LIGHT WIND...

.DISCUSSION...
A UPPER LEVEL RIDGE AND SURFACE HIGH PRESSURE SYSTEM WILL BEGIN TO NOSE
INTO THE BURN UNIT THROUGH SATURDAY. THIS BRINGS A MORE NORTHWEST FLOW
ALOFT INTO THE REGION TODAY. ANOTHER WEAK FRONT WILL PUSH INTO NORTHERN
WASHINGTON THIS AFTERNOON WHICH WILL BRING PERIODS OF MID AND HIGH LEVEL
CLOUDS TO EASTERN OREGON. OTHERWISE...THE NEXT CHANCE FOR ANY PRECIPITATION
WILL COME MONDAY. WINDS WILL ALSO BE ON THE INCREASE MONDAY AS A STRONG
PRESSURE GRADIENT DEVELOPS OVER EASTERN OREGON.


.TODAY...

SKY/WEATHER.........PERIODS OF HIGH CLOUDS.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........22 TO 28 PERCENT.
WIND - EYE LEVEL....LIGHT UPSLOPE 1 TO 3 MPH THIS MORNING BECOMING NORTHWEST
                    6 TO 8 MPH WITH GUSTS TO 12 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WIND......WEST TO NORTHWEST AROUND 10 MPH.
VENTILATION INDEX...450 FAIR.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....38 TO 43.
MAX HUMIDITY........69 TO 75 PERCENT.
WIND - EYE LEVEL....DOWNSLOPE 1 TO 3 MPH AFTER SUNSET.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WIND......WEST AROUND 5 MPH.
VENTILATION INDEX...45 POOR.

.SATURDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....64 TO 67.
MIN HUMIDITY........25 TO 30 PERCENT.
WIND - EYE LEVEL....WEST 5 TO 8 MPH WITH AFTERNOON GUSTS TO 12 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WIND......WEST 5 TO 10 MPH.
VENTILATION INDEX...400 FAIR.

$$
FORECASTER...REDMAN
REQUESTED BY...DAN RIDENOUR
TYPE OF REQUEST...PRESCRIBED
.TAG 20111021.5CRRX.01/BOI