FNUS75 KBYZ 181543
FWSBYZ

SPOT FORECAST FOR SHEEP CREEK...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
943 AM MDT SUN AUG 18 2013

FORECAST IS BASED ON REQUEST TIME OF 0916 MDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WESTERLY WINDS WILL DEVELOP TODAY BRINGING WARM AND DRY CONDITIONS
THROUGH MONDAY. TEMPERATURES WILL BE 75 TO 80 DEGREES TODAY WITH 15
TO 20 PERCENT RELATIVE HUMIDITIES. IT WILL BE WARMER ON MONDAY WITH
HUMIDITIES IN THE TEENS. WINDS WILL BE INFLUENCED BY TERRAIN.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE WINDS 6 TO 14 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......9900 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.
HAINES INDEX........4.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....50-55.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE WINDS 6 TO 14 MPH EARLY IN THE
                    EVENING...BECOMING DOWNSLOPE
                    4 TO 12 MPH BY LATE EVENING.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......2000 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.
HAINES INDEX........5.

.MONDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....77-82.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE WINDS 4 TO 12 MPH EARLY...
                    THEN WINDS BECOMING UPSLOPE 6 TO 14
                    MPH BY MID MORNING.
 RIDGETOP...........WEST 15 TO 30 MPH.
MIXING HEIGHT.......10200 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.
HAINES INDEX........4.

$$
FORECASTER...ARTHUR
REQUESTED BY...BRIAN MATLOCK
TYPE OF REQUEST...WILDFIRE
.TAG 20130818.SHEEP.01/BYZ