FNUS75 KBYZ 041258
FWSBYZ

SPOT FORECAST FOR RESERVOIR FIRE...FOREST SERVICE
NATIONAL WEATHER SERVICE BILLINGS MT
658 AM MDT TUE OCT 4 2011

FORECAST IS BASED ON REQUEST TIME OF 0640 MDT ON OCTOBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SOUTH TO SOUTHWEST WINDS WILL BE GUSTY THROUGH THE PERIOD...WITH
GUSTS OF 25 TO 30 MPH IN THE AFTERNOON TODAY. WINDS WILL STAY OUT
OF THE SOUTH THROUGH THE NIGHT WITH A STRONG PRESSURE GRADIENT.
TEMPERATURES AND HUMIDITIES WILL BE SIMILAR TO MONDAY...ALBEIT
SLIGHTLY COOLER. THERE IS A CHANCE OF A SHOWER OR THUNDERSTORM
TODAY AND WEDNESDAY BUT MOST ACTIVITY WILL BE WEST OF THE AREA. A
BETTER CHANCE OF SHOWERS WILL BE THURSDAY INTO THE WEEKEND. MUCH
COOLER WEATHER WILL MOVE IN THURSDAY FOR THE END OF THE WEEK. SNOW
LEVELS WILL LOWER TO AROUND THE FIRE SITE LATE THURSDAY NIGHT AND
FRIDAY MORNING. TWH

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................8 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 12 TO 20 MPH. GUSTS TO 26 MPH
                    IN THE AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 20 TO 30 MPH.
MIXING HEIGHT.......5400 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 30 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN ISOLATED
                    RAIN SHOWERS OVERNIGHT.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH TO SOUTHEAST WINDS 8 TO 16 MPH. GUSTS TO
                    22 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
 RIDGETOP...........SOUTH 15 TO 25 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTH 15 TO 25 MPH.

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 8 TO 16 MPH. GUSTS TO 22 MPH IN
                    THE AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
 RIDGETOP...........SOUTH 15 TO 25 MPH.
MIXING HEIGHT.......7200 FT AGL.
MIXING WINDS........SOUTH 15 TO 25 MPH.

$$
FORECASTER...HUMPHREY
REQUESTED BY...MARVIN MATTHIESEN
TYPE OF REQUEST...WILDFIRE
.TAG 20111004.RESER.01/BYZ