FNUS75 KBYZ 231140
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
540 AM MDT SUN SEP 23 2012

FORECAST IS BASED ON REQUEST TIME OF 0509 MDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A RIDGE OF HIGH PRESSURE WILL REMAIN OVER THE FIRE SITE TODAY
THROUGH MONDAY. THIS AREA OF HIGH PRESSURE WILL BRING DRY WEATHER
AND ABOVE SEASONAL TEMPERATURES. MINIMUM HUMIDITY WILL LOWER INTO
THE MID TO UPPER TEENS TODAY WITH MODERATE RECOVERIES EXPECTED
OVERNIGHT. RH'S WILL INCREASE ON MONDAY AND ARE ONLY EXPECTED TO
FALL INTO THE UPPER 20 PERCENT RANGE. LIGHT UPSLOPE/UP VALLEY
WINDS CAN BE EXPECTED BOTH TODAY AND MONDAY WITH LIGHT WEST TO
NORTHWEST DOWN SLOPE/DOWN VALLEY WINDS DEVELOPING DURING THE
EVENING. TUESDAY COULD SEE SOME LIGHT SHOWERS WITH AN ISOLATED
THUNDERSTORMS AS AN UPPER LEVEL DISTURBANCE MOVES OVER THE FIRE
SITE.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....66-72.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWN SLOPE/VALLEY FROM THE WEST-NORTHWEST AT
                    5 TO 10 MPH...BECOMING UPSLOPE/VALLEY BY 9AM
                    FROM THE EAST-SOUTHEAST AT 5 TO 10 MPH.
 RIDGETOP...........SOUTH 5 TO 10 MPH.
MIXING HEIGHT.......6300 FT AGL.
MIXING WINDS........SOUTH 5 TO 10 MPH.
HAINES INDEX........4.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........57-62 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWN SLOPE/VALLEY WITH WEST-NORTHWEST WINDS
                    OF 5 TO 10 MPH.
 RIDGETOP...........SOUTH 5 TO 10 MPH.
MIXING HEIGHT.......2500 FT AGL.
MIXING WINDS........SOUTH 5 TO 10 MPH.
HAINES INDEX........4.

.MONDAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....64-70.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WINDS BECOMING UPSLOPE/VALLEY BY 9AM FROM THE
                    WEST-NORTHWEST AT 5 TO 10 MPH.
 RIDGETOP...........NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......7100 FT AGL.
MIXING WINDS........NORTHEAST 5 TO 10 MPH.
HAINES INDEX........4.

$$
FORECASTER...RICHMOND
REQUESTED BY...KEVIN HILLARD
TYPE OF REQUEST...WILDFIRE
.TAG 20120923.GILEA.01/BYZ