FNUS75 KBYZ 150340
FWSBYZ

SPOT FORECAST FOR ROCK...BLM
NATIONAL WEATHER SERVICE BILLINGS MT
940 PM MDT TUE SEP 14 2010

FORECAST IS BASED ON REQUEST TIME OF 2121 MDT ON SEPTEMBER 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RAIN SHOWERS AND A SHIFT TO GUSTY NORTHWEST WINDS TONIGHT...

.DISCUSSION...
AN AREA OF SHOWERS AND ISOLATED THUNDERSTORMS FROM THE WEST WILL
MOVE THROUGH THE FIRE SITE BEGINNING AROUND MIDNIGHT TONIGHT. THE
CHANCE OF WETTING RAIN IS GOOD...AND OVER A HALF INCH OF RAIN IS
POSSIBLE. WINDS WILL SHIFT TO A GUSTY NORTHWEST WIND BETWEEN 10 PM
AND MIDNIGHT...WITH GUSTS OF 20-30 MPH POSSIBLE. NORTHWEST WINDS
WILL CONTINUE OVERNIGHT BUT GRADUALLY DIMINISH INTO WEDNESDAY. THE
POTENTIAL EXISTS FOR SOME SHOWERS TO PERSIST INTO WEDNESDAY...WITH
DRYING EXPECTED LATE TOMORROW.


.REST OF TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS LATE IN THE EVENING...THEN
                    NUMEROUS RAIN SHOWERS AND ISOLATED
                    THUNDERSTORMS OVERNIGHT. ERRATIC WIND GUSTS
                    POSSIBLE NEAR THUNDERSTORMS.
CWR.................50 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....48-52.
MAX HUMIDITY........90-100 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST TO SOUTH 5-15 MPH BECOMING NORTHWEST
                    15-25 MPH WITH GUSTS TO 30 MPH BY LATE EVENING.
 RIDGETOP...........EAST 10-20 MPH SHIFTING NORTHWEST 15-25 MPH WITH
                    GUSTS TO 30 MPH BY LATE EVENING.

.WEDNESDAY...

SKY/WEATHER.........CLOUDY WITH SCATTERED RAIN SHOWERS AND ISOLATED
                    THUNDERSTORMS IN THE MORNING...THEN PARTLY
                    SUNNY WITH ISOLATED SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON. ERRATIC WIND GUSTS POSSIBLE
                    NEAR THUNDERSTORMS.
CWR.................20 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST 10-15 MPH DECREASING TO 5-10 MPH IN
                    THE AFTERNOON.
 RIDGETOP...........NORTHWEST 10-15 MPH DECREASING TO 5-10 MPH IN
                    THE AFTERNOON.

.WEDNESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........80-90 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTHEAST TO SOUTH 5-10 MPH.
 RIDGETOP...........LIGHT WINDS BECOMING SOUTH TO SOUTHWEST 10-15
                    MPH...STRONGEST OVERNIGHT.

$$
FORECASTER...LESTER
REQUESTED BY...TASHA TAYLOR
TYPE OF REQUEST...WILDFIRE
.TAG 20100914.ROCK_.01/BYZ