FNUS75 KBYZ 091445
FWSBYZ

SPOT FORECAST FOR SARTIN...BLM
NATIONAL WEATHER SERVICE BILLINGS MT
845 AM MDT THU SEP 9 2010

FORECAST IS BASED ON REQUEST TIME OF 0825 MDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A STRONG STORM SYSTEM WILL MOVE ACROSS THE FIRE SITE TODAY AND
TONIGHT. THIS SYSTEM WILL BRING AN ISOLATED SHOWER OR
THUNDERSTORM THIS MORNING WITH GREATER CHANCES THIS AFTERNOON
INTO THIS EVENING. A FEW OF THE THUNDERSTORMS THIS AFTERNOON MAY
BE SEVERE PRODUCING STRONG WINDS AND LARGE HAIL. THE FIRE SITE
COULD SEE A WETTING RAIN THIS EVENING AND THROUGH THE OVERNIGHT
HOURS. SHOWERS AND ISOLATED THUNDERSTORMS WILL BE LIKELY FRIDAY
MORNING WITH A CHANCE FOR THE AFTERNOON. HOWEVER...THE PRECIP
WILL BE DECREASING AS THE AFTERNOON PROGRESSES AS THE SYSTEM
MOVES EAST INTO THE DAKOTAS.


.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    THUNDERSTORMS IN THE AFTERNOON. SOME
                    THUNDERSTORMS MAY BE SEVERE IN THE AFTERNOON.
CWR.................19 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH IN THE MORNING SHIFTING
                    TO THE NORTH IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH BECOMING NORTH 15 TO 25
                    DURING THE AFTERNOON.
MIXING HEIGHT.......6600 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. THUNDERSTORMS LIKELY IN THE
                    EVENING...THEN RAIN SHOWERS AND ISOLATED
                    THUNDERSTORMS OVERNIGHT. SOME THUNDERSTORMS MAY
                    BE SEVERE IN THE EVENING.
CWR.................49 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....49-54.
MAX HUMIDITY........89-94 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........NORTH 10 TO 20 MPH.
MIXING HEIGHT.......1500 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE MORNING...THEN
                    SCATTERED RAIN SHOWERS AND ISOLATED
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................25 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........46-51 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 15 TO 25 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........WEST 20 TO 35 MPH.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........NORTHWEST 25 TO 40 MPH.

$$
FORECASTER...HOOLEY
REQUESTED BY...K ACREE
TYPE OF REQUEST...WILDFIRE
.TAG 20100909.SARTI.01/BYZ