FNUS75 KBYZ 220011
FWSBYZ

SPOT FORECAST FOR SARTIN...MILES CITY INTERAGENCY DISPATCH CENTER
NATIONAL WEATHER SERVICE BILLINGS MT
611 PM MDT TUE AUG 21 2012

FORECAST IS BASED ON REQUEST TIME OF 1736 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HOT WITH VERY LOW HUMIDITIES TODAY WITH SLOW RECOVERY TONIGHT...

...FRONTAL PASSAGE EARLY WEDNESDAY WITH WEST TO NORTHWEST WINDS...

.DISCUSSION...

A COLD FRONT ACROSS THE FIRE SITE EARLY WEDNESDAY MORNING WILL
BRING A WIND SHIFT TO THE WEST TO NORTHWEST AND A SLIGHT CHANCE
FOR SHOWERS AND THUNDERSTORMS. RH VALUES WILL BE SLOW TO RECOVER
IN ADVANCE OF THE COLD FRONT TONIGHT...BUT COOLER TEMPS AND HIGHER RH
VALUES ARE EXPECTED OVER THE FIRE FOR WEDNESDAY. CLOUD
COVER...SHOWERS...AND GUSTY WEST TO NORTHWEST WINDS WILL PREVAIL
THROUGH WEDNESDAY EVENING.

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....58-63.
MAX HUMIDITY........37-42 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH..
 RIDGETOP...........SOUTHEAST 10 TO 20 MPH.
HAINES INDEX........4.

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY. SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................17 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....88-93.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST TO NORTHWEST WINDS 10 TO 20 MPH.
                    GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........NORTHWEST 15 TO 25 MPH.
HAINES INDEX........5.

.WEDNESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................8 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....56-61.
MAX HUMIDITY........53-58 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTH 5 TO 10 MPH.
HAINES INDEX........6.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....87-92.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH IN THE MORNING SHIFTING
                    TO THE SOUTH IN THE AFTERNOON.
 RIDGETOP...........NORTH 5 TO 10 MPH.
HAINES INDEX........5.

$$
FORECASTER...GILSTAD
REQUESTED BY...DALE WINE
TYPE OF REQUEST...WILDFIRE
.TAG 20120821.SARTI.01/BYZ