FNUS75 KBOI 101435 CCA
FWSBOI

SPOT FORECAST FOR GREGORY ROCKY...USFS
NATIONAL WEATHER SERVICE BOISE ID
818 AM MDT SUN MAY 10 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...DRY AND 4F WARMER TODAY...
...LIMITED RELATIVE HUMIDITY RECOVERY TONIGHT...

.DISCUSSION...
THERMAL AXIS WEST OF THE BURN TODAY FOR ENHANCED SOUTHEAST/UPSLOPE
TO UP VALLEY SOUTH WINDS THIS AFTERNOON. WINDS ABOVE 7000 FT MSL
LIGHT NW THIS MORNING TURN SW THIS AFTERNOON. THERMAL AXIS OVER
IDAHO CITY TONIGHT FOR LIMITED HUMIDITY RECOVERY. COLD FRONTAL
PASSAGE 8 TO 9 AM MONDAY MORNING WITH UP TO 0.05 INCHES OF RAIN
BUT PROBABLY NO PRECIPITATION. OUTLOOK...BREEZY AND COOL TUESDAY.

.TODAY...

SKY/WEATHER.........SUNNY. 5 TO 10 PERCENT CU AND 10 TO 20 PERCENT
                    CIRRUS THIS AFTERNOON.
MAX TEMPERATURE.....64 TO 66.
MIN HUMIDITY........17 TO 19 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 2 TO 3 MPH THIS MORNING...BECOMING
                    SOUTH 3 TO 5 MPH FOR THE AFTERNOON.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WIND......WEST AROUND 5 MPH THIS AFTERNOON.
VENTILATION INDEX...425 FAIR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
MIN TEMPERATURE.....36 TO 39.
MAX HUMIDITY........58 PERCENT.
WIND - EYE LEVEL....NORTHWEST 1 TO 3 MPH.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 5 MPH.
VENTILATION INDEX...325 FAIR.

.MONDAY...

SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
MAX TEMPERATURE.....64 TO 67.
MIN HUMIDITY........23 TO 27 PERCENT.
WIND - EYE LEVEL....SOUTHEAST 2 TO 4 MPH SHIFTING TO WEST
                    8 TO 9 AM...3 TO 5 MPH IN THE LATE MORNING
                    INCREASING TO 6 TO 9 MPH IN THE AFTERNOON.
                    RIDGE TOP GUSTS AROUND 15 MPH UNTIL 7 PM.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WIND......WEST AROUND 15 MPH.
VENTILATION INDEX...900 EXCELLENT.

$$
FORECASTER...MILLS
REQUESTED BY...JASON BUTLER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090510.GREGO.01/BOI