FNUS75 KBYZ 091425
FWSBYZ

SPOT FORECAST FOR MILL CREEK...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
825 AM MDT THU SEP 9 2010

FORECAST IS BASED ON IGNITION TIME OF 0820 MDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A STRONG STORM SYSTEM WILL MOVE SLOWLY INTO THE BURN SITE TODAY
FROM THE WEST. ISOLATED SHOWERS AND THUNDERSTORMS THIS MORNING
WILL BECOME NUMEROUS LATE THIS AFTERNOON AND OVERNIGHT. GUSTY
SOUTHEAST WINDS CAN BE EXPECTED THIS TODAY. THESE WINDS WILL
SWITCH TO THE SOUTHWEST LATE THIS EVENING. RH'S WILL ONLY LOWER
INTO THE 40 PERCENT RANGE THIS AFTERNOON AS LOW LEVEL MOISTURE
MOVES INTO THE AREA. NUMEROUS SHOWERS AND THUNDERSTORMS WILL
CONTINUE FRIDAY MORNING BUT WILL BE DIMINISHING BY AFTERNOON AS
THE STORM SYSTEM EXITS THE BURN AREA. RH'S DURING THE AFTERNOON
WILL REMAIN HIGH WITH VERY MOIST AIR REMAINING OVER THE BURN SITE.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE MORNING...THEN
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................21 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....63-68.
MIN HUMIDITY........37-43 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 10 TO 20 MPH IN THE MORNING
                    INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND
                    30 MPH IN THE AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTH 15 TO 30 MPH.
MIXING HEIGHT.......8700 FT AGL.
MIXING WINDS........SOUTH 20 TO 35 MPH.

.TONIGHT...

SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS AND SCATTERED
                    THUNDERSTORMS IN THE EVENING...THEN NUMEROUS
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS
                    OVERNIGHT.
CWR.................70 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........77-82 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 10 TO 20 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTH 15 TO 30 MPH.
MIXING HEIGHT.......1600 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

.FRIDAY...

SKY/WEATHER.........CLOUDY. NUMEROUS RAIN SHOWERS AND ISOLATED
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................26 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....44-49.
MIN HUMIDITY........51-56 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 20 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........WEST 15 TO 25 MPH.
MIXING HEIGHT.......6600 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 25 MPH.

$$
FORECASTER...RICHMOND
REQUESTED BY...RASMUSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100909.MILLC.01/BYZ