FNUS75 KBYZ 261738
FWSBYZ

SPOT FORECAST FOR ST XAVIER FTSMITH COMPARTMENT...CROW FIRE & AVIATION
NATIONAL WEATHER SERVICE BILLINGS MT
1138 AM MDT MON MAR 26 2012

FORECAST IS BASED ON IGNITION TIME OF 1120 MDT ON MARCH 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...THUNDERSTORMS AND STRONG WIND GUSTS LATE THIS AFTERNOON INTO
THIS EVENING...

SOUTHWEST WINDS WILL INCREASE AT THE BURN SITE THIS
AFTERNOON...WITH ONSET OF STRONGER WINDS AROUND 2 PM. EXPECT
THUNDERSTORMS TO DEVELOP TO THE SOUTH OF THE BURN SITE MID TO
LATE AFTERNOON...POSSIBLY IMPACTING THE BURN AREA BY 4 PM...WITH
A LINE OF THUNDERSTORMS AROUND 7 PM WITH COLD FRONTAL PASSAGE.
STRONG WESTERLY WIND GUSTS ARE LIKELY WITH THE COLD FRONT...GUSTING
TO AROUND 60 MPH. THESE STRONG WIND GUSTS WILL CONTINUE INTO THE
LATE EVENING HOURS. TEMPERATURES AHEAD OF THE FRONT THIS
AFTERNOON WILL GET INTO THE 70S...WITH RH VALUES IN THE TEENS.
WETTING RAIN CHANCES REMAIN MODEST AT 30 PERCENT WITH THE BEST
CHANCE FOR RAIN BETWEEN 7 PM AND MIDNIGHT. TUESDAY WILL BE 10
DEGREES COOLER THAN TODAY...BUT RH VALUES WILL AGAIN BE IN THE
TEENS AND WEST WINDS WILL BE GUSTY IN THE AFTERNOON. CHAMBERS

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY...INCREASING CLOUDS THIS AFTERNOON.
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................15 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 8 TO 12 MPH UNTIL 2 PM...INCREASING
                    TO 14 TO 20 MPH WITH OCCASIONAL GUSTS TO 35 MPH
                    AFTER 2 PM. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
 RIDGETOP...........SOUTH 25 TO 35 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN SCATTERED
                    RAIN SHOWERS OVERNIGHT.
CWR.................30 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....37-42.
MAX HUMIDITY........64-69 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 15 TO 22 MPH WITH GUSTS TO 35 MPH
                    BECOMING WEST WINDS 20 TO 35 MPH WITH GUSTS UP TO
                    60 MPH AROUND 7 PM. WINDS BECOMING NORTHWEST 10 TO
                    20 MPH WITH GUSTS TO 35 MPH AFTER MIDNIGHT. GUSTY
                    AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
 RIDGETOP...........WEST 40 TO 60 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....61-66.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........16 TO 21 PERCENT.
 SLOPE/VALLEY.......WEST WINDS 8 TO 15 MPH IN THE MORNING INCREASING TO
                    15 TO 22 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON.

$$
FORECASTER...CHAMBERS
REQUESTED BY...BRYCE ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20120326.STXAV.01/BYZ