FNUS75 KBYZ 212323
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
523 PM MDT FRI SEP 21 2012

FORECAST IS BASED ON REQUEST TIME OF 1648 MDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

NORTHERLY WINDS WILL DIMINISH QUICKLY THIS EVENING BECOMING DOWN
SLOPE/VALLEY BY MID EVENING. RH VALUES WILL IMPROVE TO AROUND 50
PERCENT OVERNIGHT. SUNNY AND DRY CONDITIONS SATURDAY. WINDS
TOMORROW AND SUNDAY WILL BE EASTERLY ENHANCING NORMAL UPSLOPE
WINDS. TEMPERATURES SATURDAY AND SUNDAY WILL BE NEAR 70 DEGREES
WITH RH VALUES IN THE LOW 20S SATURDAY...FALLING INTO THE UPPER
TEENS SUNDAY. AN ISOLATED DRY THUNDERSTORM MAY DEVELOP AFTER 3 PM
SUNDAY AFTERNOON LASTING INTO THE EARLY EVENING. CHAMBERS

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........47-54 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWN SLOPE/VALLEY 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......900 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 15 MPH.
HAINES INDEX........4.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 6 TO 13 MPH.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......5200 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 15 MPH.
HAINES INDEX........4.

.SATURDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........41-46 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWN SLOPE/VALLEY 5 TO 10 MPH.
 RIDGETOP...........WEST 5 TO 10 MPH.
MIXING HEIGHT.......900 FT AGL.
MIXING WINDS........WEST 5 TO 10 MPH.
HAINES INDEX........4.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED LATE AFTERNOON
                    THUNDERSTORMS.
CWR.................0 PERCENT.
LAL.................2...1 TO 8 STRIKES PER CELL IN 15 MINUTES.
MAX TEMPERATURE.....67-73.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 6 TO 13 MPH. GUSTY ERRATIC WINDS
                    POSSIBLE NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHEAST 5 TO 15 MPH.
MIXING HEIGHT.......5500 FT AGL.
MIXING WINDS........SOUTHEAST 5 TO 15 MPH.
HAINES INDEX........5.

$$
FORECASTER...CHAMBERS
REQUESTED BY...KEVIN HILLARD
TYPE OF REQUEST...WILDFIRE
.TAG 20120921.GILEA.02/BYZ