FNUS75 KBYZ 051229
FWSBYZ

SPOT FORECAST FOR TENSLEEP...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
629 AM MDT THU APR 5 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A SPRING STORM SYSTEM WILL MOVE OVER THE BURN SITE BY THIS
AFTERNOON. EASTERLY...DOWN VALLEY...WINDS EARLY THIS MORNING WILL
RETURN TO UP CANYON BY AROUND 8 AM. EXPECT INCREASINGLY CLOUDY
CONDITIONS THROUGH THE DAY...AND INCREASING CHANCES FOR
PRECIPITATION THROUGH THE DAY...WITH BEST POTENTIAL OVERNIGHT AND
FRIDAY. TEMPERATURES WILL CLIMB TO AROUND 50 TODAY...WITH RH
VALUES FALLING TO AROUND 30 PERCENT. EXPECT PRECIPITATION TO
CHANGE TO SNOW LATE THIS EVENING...AS TEMPERATURES DROP TOWARD
THE 20S. SNOW IS EXPECTED TO CONTINUE THROUGH THE DAY FRIDAY.


.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
                    AFTERNOON.
CWR.................8 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....48-53.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWN CANYON WINDS 5 TO 10 MPH IN THE MORNING
                    SHIFTING TO THE UP CANYON 5 TO 15 MPH BY AROUND 8 AM.
 RIDGETOP...........SOUTH 20 TO 35 MPH.
MIXING HEIGHT.......8600 FT AGL.
MIXING WINDS........SOUTH 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH SNOW LIKELY.
CWR.................29 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....29-34.
MAX HUMIDITY........83-88 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPCANYON WINDS 5 TO 15 MPH IN THE EVENING
                    SHIFTING TO THE DOWN CANYON 5 TO 10 MPH
                    OVERNIGHT.
 RIDGETOP...........SOUTH 30 TO 45 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTH 25 TO 40 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY WITH RAIN AND SNOW LIKELY IN THE
                    MORNING...THEN CLOUDY WITH NUMEROUS RAIN
                    SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
CWR.................29 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....39-44.
MIN HUMIDITY........46-51 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP CANYON WINDS 5 TO 15 MPH.
 RIDGETOP...........SOUTHWEST 25 TO 40 MPH.
MIXING HEIGHT.......7200 FT AGL.
MIXING WINDS........SOUTHWEST 25 TO 40 MPH.

$$
FORECASTER...GILSTAD/RICHMOND
REQUESTED BY...CURTIS RASMUSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20120405.TENSL.01/BYZ