FNUS75 KBYZ 062327
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
527 PM MDT THU SEP 6 2012

FORECAST IS BASED ON REQUEST TIME OF 1652 MDT ON SEPTEMBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY EVENING...

.DISCUSSION...
SCATTERED SHOWERS WILL OCCUR OVER THE FIRE TONIGHT...WITH JUST
A SLIGHT CHANCE OF A THUNDERSTORM IN THE EVENING AS AN UPPER
TROUGH MOVES THROUGH THE REGION. NORTH WINDS AT 5 TO 15 MPH WILL
BECOMING LIGHT OVERNIGHT. A RIDGE OF HIGH PRESSURE WILL BUILD
OVER THE AREA FRIDAY THROUGH SATURDAY. COOL WEATHER WITH HIGHER
HUMIDITIES WILL CONTINUE ON FRIDAY...WHILE SATURDAY WILL BE WARMER
AND DRIER WITH HUMIDITIES IN THE TEENS. HUMIDITY RECOVERIES FRIDAY
NIGHT WILL BE IN THE LOWER TO MID 60S. LIGHT...MAINLY SLOPE AND
VALLEY DOMINATED WINDS...WILL PERSIST THROUGH SATURDAY.
POTENTIALLY CRITICAL FIRE WEATHER CONDITIONS WILL MOVE IN FOR THE
MONDAY THROUGH TUESDAY PERIOD.

.REST OF TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS EARLY IN THE
                    EVENING...THEN SCATTERED RAIN SHOWERS.
CWR.................19 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL EARLY IN THE
                    EVENING...DECREASING TO 1...NO THUNDERSTORMS.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........87-92 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 15 MPH...BECOMING DOWNSLOPE/
                    DOWN-VALLEY AROUND 5 MPH OVERNIGHT. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    EARLY IN THE EVENING.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......1900 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH EARLY IN THE EVENING
                    DECREASING TO 5 TO 15 MPH.
HAINES INDEX........4.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....56-61.
MIN HUMIDITY........42-47 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......VARIABLE WINDS 5 MPH EARLY IN THE MORNING...
                    BECOMING NORTHEAST 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......5500 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 15 MPH.
HAINES INDEX........4.

.FRIDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....43-48.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWN-VALLEY WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......1400 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.
HAINES INDEX........4.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........14-19 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE/UP-VALLEY WINDS 5 TO 10 MPH
                    IN THE MORNING...BECOMING SOUTHEAST 5 TO
                    10 MPH BY AFTERNOON.
 RIDGETOP...........WEST 5 TO 15 MPH.
MIXING HEIGHT.......5400 FT AGL.
MIXING WINDS........NORTH 5 TO 15 MPH.
HAINES INDEX........4.

$$
FORECASTER...ARTHUR
REQUESTED BY...GALEN ROESLER
TYPE OF REQUEST...WILDFIRE
.TAG 20120906.GILEA.02/BYZ