FNUS75 KBYZ 061440
FWSBYZ

SPOT FORECAST FOR RIM ROCK FIRE...MILES CITY DISPATCH
NATIONAL WEATHER SERVICE BILLINGS MT
840 AM MDT THU AUG 6 2009

FORECAST IS BASED ON REQUEST TIME OF 0827 MDT ON AUGUST 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...INCREASING THREAT FOR STRONG TO SEVERE THUNDERSTORMS TODAY INTO
FRIDAY...

SOME CLEARING IS EXPECTED OVER THE NEXT FEW HOURS AROUND THE FIRE
SITE WITH ONLY A SLIGHT CHANCE OF A SHOWER THE REST OF THE
MORNING. THE THREAT FOR THUNDERSTORMS WILL THEN INCREASE THROUGH
THE AFTERNOON AND ESPECIALLY INTO THE EVENING. SOME STORMS COULD
BE SEVERE WITH VERY HEAVY RAIN AND HAIL AS WELL AS CONSIDERABLE
LIGHTNING. LIGHT NORTH WINDS THIS MORNING WILL TURN TO THE
SOUTHEAST LATER THIS MORNING. SOUTHERLY WINDS 10 TO 15 MPH WILL
BE COMMON TONIGHT...AND WILL TURN SOUTHWEST BY MIDDAY FRIDAY.
UNSETTLED WEATHER WILL CONTINUE THROUGH FRIDAY EVENING.

.TODAY...

SKY/WEATHER.........PARTIAL CLEARING THIS MORNING...BECOMING MOSTLY CLOUDY AGAIN
                    THROUGH THE AFTERNOON AND EVENING. SLIGHT CHANCE OF A SHOWER
                    THIS MORNING...SCATTERED SHOWERS AND THUNDERSTORMS
                    INCREASING THIS AFTERNOON. SOME
                    THUNDERSTORMS MAY BE SEVERE WITH DAMAGING
                    WINDS...LARGE HAIL AND HEAVY RAINFALL IN THE
                    AFTERNOON.
CWR.................25 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....83-90.
MIN HUMIDITY........37-45 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 10 MPH EARLY...BECOMING SOUTHEAST
                    IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS. SOME
                    THUNDERSTORMS MAY BE SEVERE WITH DAMAGING
                    WINDS...LARGE HAIL AND HEAVY RAINFALL IN THE
                    EVENING.
CWR.................29 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....57-62.
MAX HUMIDITY........77-82 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHERLY WINDS 5 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS. SOME
                    THUNDERSTORMS MAY BE SEVERE WITH DAMAGING
                    WINDS...LARGE HAIL AND HEAVY RAINFALL IN THE
                    AFTERNOON.
CWR.................36 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST 5 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH.

$$
FORECASTER...TESAR
REQUESTED BY...KELSEY ANDERSON
TYPE OF REQUEST...WILDFIRE
.TAG 20090806.RIMRO.01/BYZ