FNUS75 KBYZ 082240
FWSBYZ

SPOT FORECAST FOR BASCOM ROAD...MT DNRC
NATIONAL WEATHER SERVICE BILLINGS MT
440 PM MDT FRI JUN 8 2012

FORECAST IS BASED ON REQUEST TIME OF 1611 MDT ON JUNE 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...COLD FRONT WITH STRONG NORTHWEST WINDS AROUND 7 PM TONIGHT..

EAST WIND HOLDING AT THE FIRE SITE BUT DRIER AIR AND WESTERLY
WINDS ARE AS CLOSE AS ROUNDUP AT 4 PM WHERE RELATIVE HUMIDITY IS
14 PERCENT. KEPT WINDS EASTERLY WITH RELATIVE HUMIDITIES
BOTTOMING OUT IN THE LOW TO MID 20S...HOWEVER ABOUT A 40 PERCENT
CHANCE WEST WINDS MOVE IN PUSHING RH VALUES QUICKLY INTO THE MID
TEENS. COLD FRONT WITH STRONG WIND SHIFT TO THE NORTH LOOKS TO
MOVE INTO THE FIRE AREA AROUND 7 PM. NORTHWEST WINDS WILL
INCREASE THROUGH THE EVENING WITH GUSTS AROUND 40 MPH LIKELY
THROUGH THE REMAINDER OF THE NIGHT.

THERE IS A CHANCE OF SEVERE THUNDERSTORMS WITH LARGE HAIL AND
WIND GUSTS OVER 60 MPH FROM 6 PM THROUGH ABOUT 10 PM TONIGHT.
WETTING RAIN CHANCES WILL INCREASE BEHIND THE FRONT AND STRONG RH
RECOVERIES ARE EXPECTED OVERNIGHT. SATURDAY WILL BE BREEZY WITH
SCATTERED SHOWERS AND A 30 PERCENT CHANCE OF WETTING RAIN. COOLER
TEMPERATURES WILL KEEP RH VALUES IN THE 35 TO 45 PERCENT RANGE.
CHAMBERS


.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY WITH ISOLATED THUNDERSTORMS. SOME
                    THUNDERSTORMS MAY BE SEVERE.
CWR.................0 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....82-86.
MIN HUMIDITY........20-25 PERCENT...POSSIBLY AS LOW AT 15 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 5 TO 10 MPH...POSSIBLY TURNING SOUTHWEST
                    8 TO 14 MPH AROUND 6 PM. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHEAST 10 TO 20 MPH.
MIXING HEIGHT.......11100 FT AGL.
MIXING WINDS........SOUTH 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE
                    EVENING...THEN SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS OVERNIGHT. SOME
                    THUNDERSTORMS MAY BE SEVERE IN THE EVENING.
CWR.................30 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........76-81 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WIND 5 TO 10 MPH TURNING NORTHWEST 10 TO 20 MPH
                    AROUND 7 PM. GUSTS UP TO 40 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH BECOMING NORTHWEST 20 TO 35 MPH EARLY
                    IN THE EVENING.
MIXING HEIGHT.......1200 FT AGL.
MIXING WINDS........NORTHWEST 30 TO 40 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING...THEN MOSTLY
                    CLOUDY WITH SCATTERED RAIN SHOWERS AND ISOLATED
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................30 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........35-45 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 20 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........NORTHWEST 15 TO 25 MPH.
MIXING HEIGHT.......6800 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 30 MPH.

$$
FORECASTER...CHAMBERS
REQUESTED BY...S STANHOPE
TYPE OF REQUEST...WILDFIRE
.TAG 20120608.BASCO.02/BYZ