FNUS75 KBYZ 091207
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
607 AM MDT SUN SEP 9 2012

FORECAST IS BASED ON REQUEST TIME OF 0541 MDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON MONDAY TO MIDNIGHT MDT
TUESDAY NIGHT...

.DISCUSSION...
IT WILL BE WARM WITH VERY LOW HUMIDITY TODAY...BUT WINDS WILL BE
DRIVEN BY TERRAIN WITH UPSLOPE AND UP VALLEY DIRECTIONS EXPECTED
BEGINNING IN THE MID TO LATE MORNING. WINDS WILL KEEP A BIT OF A
WEST-SOUTHWEST COMPONENT ON BOTH SLOPES AND RIDGES TONIGHT.

CRITICAL FIRE WEATHER CONDITIONS ARE STILL EXPECTED FROM MONDAY
THROUGH TUESDAY DUE TO LOW HUMIDITY AND GUSTY WINDS. IT WILL BE
UNSTABLE ON MONDAY AS WELL. WINDS WILL BE FROM THE SOUTHWEST ON
MONDAY...BUT THEY WILL MAKE A SHIFT TO THE NORTHWEST DURING THE
MID TO LATE EVENING HOURS OF MONDAY AS A STRONG COLD FRONT MOVES
THROUGH THE FIRE SITE. SCHULTZ


.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........10-15 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWN VALLEY WINDS 3 TO 6 MPH WILL
                    BECOME UPSLOPE/UP VALLEY 5 TO 12 MPH BY THE
                    MID TO LATE MORNING.
 RIDGETOP...........NORTHWEST 10 TO 18 MPH BECOMING EAST 8 TO 13
                    MPH BY MID TO LATE MORNING.
MIXING HEIGHT.......9500 FT AGL.
MIXING WINDS........SOUTHWEST 10 TO 15 MPH.
HAINES INDEX........4.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........41-46 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST-SOUTHWEST WINDS 8 TO 13 MPH.
 RIDGETOP...........WEST-NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......1100 FT AGL.
MIXING WINDS........SOUTHWEST 10 TO 20 MPH.
HAINES INDEX........4.

.MONDAY...

SKY/WEATHER.........PARTLY SUNNY WITH ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................5 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........12-17 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 10 TO 20 MPH. GUSTS
                    TO 25 MPH IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS POSSIBLE NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 15 TO 30 MPH.
MIXING HEIGHT.......9500 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 25 MPH.
HAINES INDEX........6.

.MONDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........47-52 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST-SOUTHWEST 1O TO 20 MPH WITH GUSTS
                    TO 25 MPH SHIFTING TO THE NORTHWEST WITH
                    GUSTS TO 30 MPH IN THE MID TO LATE EVENING.
                    GUSTY AND ERRATIC WINDS POSSIBLE NEAR
                    THUNDERSTORMS.
 RIDGETOP...........WEST-SOUTHWEST 15 TO 30 MPH...SHIFTING TO
                    THE NORTHWEST IN THE MID TO LATE EVENING.
MIXING HEIGHT.......1000 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 25 MPH...BECOMING NORTHWEST
                    IN THE MID TO LATE EVENING.
HAINES INDEX........5.

$$
FORECASTER...SCHULTZ
REQUESTED BY...TIM KRAMER
TYPE OF REQUEST...WILDFIRE
.TAG 20120909.GILEA.01/BYZ