FNUS75 KBYZ 211909
FWSBYZ

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

FORECAST IS BASED ON REQUEST TIME OF 1251 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
LATE THIS AFTERNOON THROUGH THURSDAY. STORMS ARE EXPECTED TO
DEVELOP OVER THE BEARTOOTH/ABSAROKA MOUNTAINS AND MOVE IN OVER THE
FIRE SITE BETWEEN 4 AND 5 PM TODAY. A MIXTURE OF DRY AND WET
STORMS CAN BE EXPECTED ALONG WITH WIND GUSTS OF 40 TO 50 MPH.
WINDS WILL BE NORTHEAST TODAY...BECOMING SOUTHERLY DOWN
SLOPE/VALLEY OVERNIGHT. UP SLOPE/VALLEY CAN BE EXPECTED ON
THURSDAY. TEMPERATURES WILL BE COOLER ON THURSDAY WITH AFTERNOON
RH'S IN THE UPPER 20 PERCENT RANGE.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SCATTERED THUNDERSTORMS IN THE
                    AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY
                    WINDS IN THE AFTERNOON.
CWR.................20 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........24-29 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........SOUTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......5700 FT AGL.
MIXING WINDS........LIGHT WINDS.
HAINES INDEX........5.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
                    EVENING...THEN ISOLATED THUNDERSTORMS
                    OVERNIGHT. SOME THUNDERSTORMS MAY PRODUCE GUSTY
                    WINDS IN THE EVENING.
CWR.................18 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....50-55.
MAX HUMIDITY........68-73 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING BECOMING
                    LIGHT OVERNIGHT. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTH 5 TO 10 MPH.
MIXING HEIGHT.......2600 FT AGL.
MIXING WINDS........SOUTH 5 TO 15 MPH.
HAINES INDEX........4.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY. SCATTERED THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................16 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/VALLEY WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
 RIDGETOP...........SOUTH 9 TO 16 MPH.
MIXING HEIGHT.......7800 FT AGL.
MIXING WINDS........SOUTH 5 TO 15 MPH.
HAINES INDEX........4.

$$
FORECASTER...RICHMOND
REQUESTED BY...ROGER JACKSON
TYPE OF REQUEST...WILDFIRE
.TAG 20130821.ROCKC.02/BYZ