FNUS75 KBYZ 110352
FWSBYZ

SPOT FORECAST FOR TROUT...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
952 PM MDT SAT AUG 10 2013

FORECAST IS BASED ON REQUEST TIME OF 2130 MDT ON AUGUST 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

ISOLATED SHOWERS AND THUNDERSTORMS NEAR GREYBULL AT 2145 MDT COULD
DRIFT SOUTHEAST AND AFFECT THE FIRE SITE OVERNIGHT. EXPECT MODERATE
HUMIDITY RECOVERY TONIGHT...BUT HUMIDITIES WILL FALL TO AROUND 20
PERCENT ON SUNDAY. ISOLATED HIGH BASED THUNDERSTORMS WITH GUSTY AND
ERRATIC WINDS ARE EXPECTED SUNDAY AFTERNOON AND SUNDAY NIGHT. WINDS
OUTSIDE OF THUNDERSTORMS WILL BE DRIVEN BY TERRAIN WITH DOWNSLOPE
AND DOWNVALLEY WINDS TONIGHT AND UPSLOPE/UPVALLEY WINDS SUNDAY.
SCHULTZ


.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........63-68 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWNVALLEY 3 TO 7 MPH. GUSTY AND
                    ERRATIC WINDS POSSIBLE NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTH 5 TO 15 MPH.
HAINES INDEX........4.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE/UPVALLEY 7 TO 12 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........SOUTHWEST 5 TO 15 MPH.
HAINES INDEX........5.

$$
FORECASTER...SCHULTZ
REQUESTED BY...IC
TYPE OF REQUEST...WILDFIRE
.TAG 20130810.TROUT.01/BYZ