FNUS75 KBYZ 061130
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
530 AM MDT THU SEP 6 2012

FORECAST IS BASED ON REQUEST TIME OF 0502 MDT ON SEPTEMBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

NORTHWEST WINDS WILL REMAIN GUSTY THIS MORNING AS MAIN COLD FRONT
MOVES THROUGH THE FIRE AREA. WINDS WILL BECOME MORE NORTHERLY BY
10 AM AND MAY GO NORTHEAST LATE THIS AFTERNOON. STRONGEST WINDS
WILL BE THIS MORNING. CLOUD COVER WILL INCREASE THROUGH THE DAY
WITH PRECIPITATION DEVELOPING THIS AFTERNOON. BEST CHANCE FOR
WETTING RAIN WILL BE 3 PM TO MIDNIGHT. ISOLATED THUNDERSTORM
POSSIBLE THROUGH EARLY EVENING...BUT NOT LIKELY. PRECIPITATION
ENDS LATE TONIGHT. FRIDAY WILL BE DRY AND SUNNY...WITH RH VALUES
IN THE 30S AND SLOPE DOMINANT WINDS. CHAMBERS

.TODAY...

SKY/WEATHER.........BECOMING CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................30 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....59-64.
MIN HUMIDITY........23-28 PERCENT IN THE MORNING...INCREASING TO
                    40 PERCENT BY 3 PM.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 12 TO 18 MPH WITH GUSTS TO 25
                    MPH...BECOMING NORTH AROUND 10 AM. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 25 MPH.
HAINES INDEX........4.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE EVENING...THEN
                    SCATTERED RAIN SHOWERS OVERNIGHT.
CWR.................30 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........84-90 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 6 TO 12 MPH...BECOMING LIGHT AFTER
                    MIDNIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE EVENING.
 RIDGETOP...........NORTH 10 TO 20 MPH...DECREASING TO 6 TO 12 MPH
                    BY MIDNIGHT.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........NORTH 15 TO 30 MPH.
HAINES INDEX........3.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................ZERO.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/VALLEY 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 15 MPH.
HAINES INDEX........4.

$$
FORECASTER...CHAMBERS
REQUESTED BY...GALEN ROESLER
TYPE OF REQUEST...WILDFIRE
.TAG 20120906.GILEA.01/BYZ