FNUS75 KBYZ 251407
FWSBYZ

SPOT FORECAST FOR SAWLOG RX...CROW FIRE & AVIATION
NATIONAL WEATHER SERVICE BILLINGS MT
807 AM MDT WED APR 25 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

WIND DIRECTION AT BOYD RIDGE RAWS LOOKS UNRELIABLE AS THE SITE HAS
REPORTED EASTERLY WINDS FOR AT LEAST A MONTH. AN UPPER RIDGE WITH
DISTURBANCES MOVING THROUGH IT WILL BRING SHOWERS AND THUNDERSTORMS
TO THE SITE AGAIN TODAY. WHILE AN ISOLATED SHOWER CANNOT BE RULED OUT
THIS MORNING...CHANCES FOR SHOWERS AND THUNDERSTORMS WILL INCREASE
THIS AFTERNOON. A LOW PRESSURE SYSTEM WILL MOVE OVER THE REGION TONIGHT
AND REMAIN OVER THE AREA ON THURSDAY. THIS SYSTEM WILL BRING INCREASING
CHANCES FOR A WETTING RAIN DUE TO SHOWERS AND THUNDERSTORMS. THUNDERSTORMS
WILL HAVE THE POTENTIAL TO PRODUCE STRONG WIND GUSTS THIS AFTERNOON
AND EVENING. IT WILL BE COOLER THAN YESTERDAY WITH TEMPERATURES OF
60 TO 65 DEGREES. RELATIVE HUMIDITIES WILL BE 25 TO 30 PERCENT. HUMIDITIES
WILL RECOVER TO 45 TO 50 PERCENT TONIGHT. THURSDAY WILL BE COOLER THAN
TODAY WITH HIGHER HUMIDITIES. WINDS WILL BE SOUTHWEST 5 TO 10 MPH TODAY
AND BECOME SOUTHEAST LATE. SOUTHEAST WINDS AT 5 TO 10 MPH WILL CONTINUE
THROUGH THURSDAY.

.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................13 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH...BECOMING SOUTHEAST
                    LATE. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
 RIDGETOP...........WEST 5 TO 10 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN SCATTERED
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS
                    OVERNIGHT.
CWR.................22 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....49-54.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTH 10 TO 20 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE MORNING...THEN
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................35 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....59-64.
MIN HUMIDITY........31-36 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 15 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTH 10 TO 20 MPH.

$$
FORECASTER...ARTHUR
REQUESTED BY...BRYCE ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20120425.SAWLO.01/BYZ