FNUS75 KBYZ 022222
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
422 PM MDT SUN SEP 2 2012

FORECAST IS BASED ON REQUEST TIME OF 1601 MDT ON SEPTEMBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

.DISCUSSION...
A RED FLAG WARING IS IN EFFECT UNTIL 9 PM MDT THIS EVENING. WINDS
WILL TURN TO THE NORTHWEST THIS EVENING. A COLD FRONT WILL PUSH
THROUGH THE FIRE SITE AND KEEP THE NORTHWEST WINDS IN PLACE. SOME
GUSTS TO 20 MPH WILL BE POSSIBLE WITH THE FRONT FOR A FEW HOURS
WHEN IT GOES THROUGH. THE FRONT WILL GO THROUGH OVERNIGHT. WINDS
WILL TURN TO THE EAST AND NORTHEAST BY LATE MORNING ON MONDAY.
MONDAY WILL BE COOLER BEHIND THE FRONT BUT THE AIRMASS WILL BE
DRIER. THIS WILL ALLOW HUMIDITIES TO FALL INTO THE UPPER TEENS
MONDAY AFTERNOON. ANOTHER COLD FRONT WILL PUSH TOWARD THE SITE ON
TUESDAY. TWH


.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....44-49.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH TO NORTHEAST 6 TO 14 MPH THIS EVENING.
                    WINDS TURNING WEST TO NORTHWEST BY MID
                    EVENING. GUSTS TO 20 MPH OVERNIGHT.
 RIDGETOP...........WEST TO NORTHWEST 15 MPH. GUSTS TO 25 MPH
                    OVERNIGHT.
MIXING HEIGHT.......FALLING TO 1200 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.
HAINES INDEX........4.

.LABOR DAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 6 TO 14 MPH IN THE MORNING.
                    WINDS SHIFTING TO THE EAST TO NORTHEAST BY
                    LATE MORNING.
 RIDGETOP...........WEST 15 MPH.
MIXING HEIGHT.......9500 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.
HAINES INDEX........4.

.MONDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........36-41 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH TO NORTHEAST 6 TO 14 MPH DURING THE
                    EVENING. WINDS TURNING WEST TO NORTHWEST BY
                    MID EVENING.
 RIDGETOP...........WEST 15 MPH.
MIXING HEIGHT.......FALLING TO 500 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.
HAINES INDEX........4.

$$
FORECASTER...HUMPHREY
REQUESTED BY...GALEN ROESLER
TYPE OF REQUEST...WILDFIRE
.TAG 20120902.GILEA.02/BYZ