FNUS75 KBYZ 171133
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
533 AM MDT MON SEP 17 2012

FORECAST IS BASED ON REQUEST TIME OF 0514 MDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
CLOUDS WILL DECREASE TODAY AS DRIER AIR WORKS IN FROM THE NORTH.
GOOD RECOVERIES OVERNIGHT WILL SLOW THE FALL OF HUMIDITIES TODAY
WITH READINGS FALLING TO AROUND 30 PERCENT THIS AFTERNOON.
TUESDAY WILL BE WARMER WITH HUMIDITIES DROPPING INTO THE UPPER
TEENS TO AROUND 20 PERCENT. WINDS WILL BE DRIVEN PRIMARILY BY
TERRAIN WITH UPSLOPE FORCES BY MID MORNING GIVING WAY TO DOWNSLOPE
BY MID EVENING. RIDGETOP WINDS WILL INCREASE LATE TONIGHT AND BE
GUSTY THROUGH THE DAY TUESDAY. THE WEATHER PATTERN WILL NOT CHANGE
MUCH THIS WEEK WITH DIURNAL WINDS AND HUMIDITIES FALLING INTO THE
TEENS BY EARLY AFTERNOON. THERE IS NO CHANCE OF RAIN THROUGH
FRIDAY. TWH


.TODAY...

SKY/WEATHER.........DECREASING CLOUDS.
CWR.................10 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....57-62.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 6 TO 14 MPH IN THE MORNING.
                    WINDS TURNING EAST TO NORTHEAST BY LATE
                    MORNING.
 RIDGETOP...........NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......5500 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 15 MPH.
HAINES INDEX........4.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....37-42.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST TO NORTHEAST 6 TO 14 IN THE EARLY
                    EVENING. WINDS TURNING WEST TO NORTHWEST
                    8 TO 16 MPH GUSTS TO 20 MPH BY MID EVENING.
 RIDGETOP...........NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......FALLING TO 1300 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 20 MPH.
HAINES INDEX........4.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST TO NORTHWEST WINDS 8 TO 16 MPH GUSTS TO
                    20 MPH IN THE MORNING. WINDS TRENDING MORE
                    NORTHEAST BY LATE MORNING.
 RIDGETOP...........NORTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......6500 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 20 MPH.
HAINES INDEX........4.

$$
FORECASTER...HUMPHREY
REQUESTED BY...JON WARDER
TYPE OF REQUEST...WILDFIRE
.TAG 20120917.GILEA.01/BYZ