FNUS75 KBYZ 211056
FWSBYZ

SPOT FORECAST FOR ROCK CREEK...USFS / RED LODGE FIRE
NATIONAL WEATHER SERVICE BILLINGS MT
456 AM MDT WED AUG 21 2013

FORECAST IS BASED ON REQUEST TIME OF 0208 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...WIND GUSTS OF 40 TO 50 MPH POSSIBLE WITH ANY STORMS TODAY...

MONSOONAL MOISTURE WILL BRING THE POTENTIAL FOR THUNDERSTORMS
THIS AFTERNOON...BEGINNING AROUND 1 PM MDT. STORMS WILL BE MAINLY
DRY WITH WIND GUSTS 40 TO 50 MPH POSSIBLE. STORMS WILL LIKELY
DEVELOP IN THE FIRE VICINITY OR JUST TO THE SOUTH AND MOVE
NORTHWARD. NORTHEAST WINDS WILL PREVAIL TODAY WITH RH VALUES A BIT
HIGHER THAN TUESDAY. WINDS WILL TURN DOWN VALLEY (SOUTHERLY)
TONIGHT. THUNDERSTORMS WILL BE POSSIBLE AGAIN THURSDAY BUT WILL BE
WETTER WITH WIND GUSTS IN THE 30 MPH RANGE POSSIBLE. CHAMBERS

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SCATTERED THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................10 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 6 TO 12 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........SOUTHWEST 5 TO 10 MPH.
HAINES INDEX........5.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
                    EVENING.
CWR.................10 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....53-57.
MAX HUMIDITY........54-60 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 3 TO 6 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTH 5 TO 10 MPH.
HAINES INDEX........4.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................20 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....72-77.
MIN HUMIDITY........24-30 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/VALLEY 4 TO 8 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........SOUTH 8 TO 15 MPH.
HAINES INDEX........4.

$$
FORECASTER...CHAMBERS
REQUESTED BY...JACKSON  PSC
TYPE OF REQUEST...WILDFIRE
.TAG 20130821.ROCKC.01/BYZ