FNUS75 KBYZ 101209
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
609 AM MDT MON SEP 10 2012

FORECAST IS BASED ON REQUEST TIME OF 0546 MDT ON SEPTEMBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

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

.DISCUSSION...
GUSTY SOUTHWEST WINDS WILL DEVELOP AT THE RIDGETOP LEVEL DURING
THE MORNING...AND WORK THEIR DOWN TO THE SLOPES THIS AFTERNOON
AND EVENING. CRITICAL FIRE WEATHER CONDITIONS WILL RESULT WITH
LOW HUMIDITY VALUES. A SHOWER OR THUNDERSTORM COULD AFFECT THE
FIRE SITE TODAY OR THIS EVENING...AND IF ONE DOES...GUSTY AND
ERRATIC WINDS CAN BE EXPECTED. A COLD FRONT WILL MOVE THROUGH
THE FIRE SITE THIS EVENING...CAUSING GUSTY WINDS TO SHIFT TO
THE NORTHWEST.

ALTHOUGH HUMIDITY WILL REMAIN LOW ON TUESDAY...WINDS WILL BE
DECREASING DURING THE AFTERNOON. SCHULTZ

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........11-16 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE/UP VALLEY WINDS 5 TO 9 MPH DURING
                    THE MORNING...BECOMING SOUTHWESTERLY AND
                    INCREASING TO 13 TO 23 MPH BY LATE IN THE
                    AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
 RIDGETOP...........NORTHWEST WINDS 10 TO 18 MPH EARLY IN THE
                    MORNING...BECOMING SOUTHWEST 15 TO 30 MPH
                    FOR THE AFTERNOON.
MIXING HEIGHT.......9000 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 25 MPH.
HAINES INDEX........5.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........35-40 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 13 TO 23 MPH BECOMING
                    NORTHWEST 10 TO 20 MPH BY MID TO LATE
                    EVENING. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
 RIDGETOP...........SOUTHWEST WINDS 15 TO 30 MPH BECOMING
                    NORTHWEST 15 TO 30 MPH BY MID TO LATE
                    EVENING.
MIXING HEIGHT.......2400 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 25 MPH.
HAINES INDEX........4.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 15 MPH...BECOMING
                    UPSLOPE/UP VALLEY 6 TO 11 MPH BY LATE
                    AFTERNOON.
 RIDGETOP...........NORTHWEST 15 TO 25 MPH...DIMINISHING TO
                    10 TO 15 MPH BY LATE AFTERNOON.
MIXING HEIGHT.......6200 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.
HAINES INDEX........4.

.TUESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....37-42.
MAX HUMIDITY........44-49 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWN VALLEY WINDS 3 TO 5 MPH.
 RIDGETOP...........NORTH-NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......800 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 15 MPH.
HAINES INDEX........3.


$$
FORECASTER...SCHULTZ
REQUESTED BY...TIM KRAMER
TYPE OF REQUEST...WILDFIRE
.TAG 20120910.GILEA.01/BYZ