FNUS75 KBYZ 231514
FWSBYZ

SPOT FORECAST FOR TIMBER CREEK...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
757 AM MDT MON APR 23 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
...THUNDERSTORMS WITH STRONG WIND GUSTS POSSIBLE TUESDAY AFTERNOON...
...COLD FRONTAL PASSAGE LATE TUESDAY AFTERNOON WITH WIND SHIFT...

A RIDGE OF HIGH PRESSURE WILL BRING VERY WARM TEMPERATURES TO THE SITE
TODAY AND TUESDAY WITH READINGS IN THE 8OS. RELATIVE HUMIDITY VALUES WILL
BE IN THE TEENS THIS AFTERNOON...AND IN THE UPPER TEENS TO LOWER 20S ON
TUESDAY AFTERNOON. WINDS WILL BE SOUTHWEST 5 TO 15 MPH TODAY AND BECOME
NORTHWEST LATE. ON TUESDAY...SOUTH WINDS 5 TO 10 MPH IN THE EARLY MORNING
WILL BECOME WEST BY LATE MORNING. WINDS WILL THEN SHIFT TO NORTHWEST 10
TO 20 MPH IN THE LATE AFTERNOON DUE TO A COLD FRONTAL PASSAGE. GUSTY AND
ERRATIC WINDS WILL BE POSSIBLE NEAR THUNDERSTORMS TUESDAY AFTERNOON.


.REST OF TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....83-88.
MIN HUMIDITY........12-17 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 15 MPH...BECOMING NORTHWEST
                    LATE.
MIXING HEIGHT.......13400 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
                    MORNING...THEN ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....83-88.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH IN THE EARLY MORNING...
                    BECOMING WEST BY LATE MORNING. WINDS SHIFTING TO
                    NORTHWEST 10 TO 20 MPH IN THE LATE AFTERNOON. GUSTY
                    AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
MIXING HEIGHT.......12800 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.

$$
FORECASTER...ARTHUR
REQUESTED BY...PATRICK DAVIS
TYPE OF REQUEST...PRESCRIBED
.TAG 20120423.TIMBE.01/BYZ