FNUS75 KBYZ 031812
FWSBYZ

SPOT FORECAST FOR BEAR COULEE...BIA CROW FORESTRY
NATIONAL WEATHER SERVICE BILLINGS MT
1212 PM MDT MON AUG 3 2009

FORECAST IS BASED ON IGNITION TIME OF 1259 MDT ON AUGUST 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

AN UNSTABLE NORTHWEST FLOW ALOFT WILL BE OVER THE REGION TODAY
THROUGH TUESDAY. THIS FLOW WILL BRING SCATTERED THUNDERSTORMS TO
THE AREA. A COOL FRONT HAS PUSHED PAST THE BURN SITE AND WINDS
WILL REMAIN NORTHWEST 10 TO 20 MPH THROUGH THE DAY AND INTO THE
EVENING HOURS. SCATTERED THUNDERSTORMS WILL DEVELOP ALONG THE
FRONTAL BOUNDARY EARLY THIS AFTERNOON AND WILL CONTINUE INTO THE
EARLY EVENING HOURS. TEMPERATURES WILL WARM INTO THE LOWER 90S
THIS AFTERNOON ALLOWING RH'S TO FALL INTO THE LOWER 20 PERCENT
RANGE. GOOD RH RECOVERIES ARE EXPECTED OVERNIGHT AS WINDS WILL
SWITCH TO THE SOUTHEAST BY MIDNIGHT. TEMPERATURES WILL BE
SLIGHTLY COOLER ON TUESDAY WITH RH'S AGAIN DROPPING INTO THE
LOWER 20 PERCENT RANGE. WINDS WILL SWITCH TO THE WEST ON TUESDAY
AROUND NOON TIME AS A UPPER LEVEL DISTURBANCE MOVES OVER THE FIRE
AREA. THIS DISTURBANCE WILL BRING A CHANCE OF MORE ISOLATED
THUNDERSTORMS DURING THE AFTERNOON.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....85-90.
MIN HUMIDITY........20-25 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.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
CWR.................12 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....58-63.
MAX HUMIDITY........66-71 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
 RIDGETOP...........SOUTHEAST 5 TO 15 MPH.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................11 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....85-90.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........WEST 10 TO 20 MPH.

$$
FORECASTER...RICHMOND
REQUESTED BY...DALE GLENMORE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090803.BEARC.01/BYZ