FNUS75 KBYZ 101803
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
1203 PM MDT MON SEP 10 2012

FORECAST IS BASED ON REQUEST TIME OF 1138 MDT ON SEPTEMBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TUESDAY NIGHT...

.DISCUSSION...
GUSTY SOUTHWEST WINDS WILL CONTINUE TO WORK THEIR WAY DOWN TO THE
FIRE LOCATION THIS AFTERNOON WITH PERIODIC GUSTS TO 30 MPH
POSSIBLE. CRITICAL FIRE WEATHER CONDITIONS WILL RESULT AS THIS
COMBINES WITH LOW HUMIDITY VALUES CURRENTLY IN PLACE. ISOLATED
SHOWERS AND THUNDERSTORMS WILL ALSO PROGRESS NORTHEAST ACROSS THE
REGION THROUGH THIS AFTERNOON...WITH THE ADDED POTENTIAL FOR MORE
ERRATIC WIND GUSTS WITH ANY PASSING SHOWER. A COLD FRONT WILL MOVE
THROUGH THE FIRE SITE BY LATE THIS EVENING...CAUSING GUSTY WINDS
TO SHIFT TO THE NORTHWEST. WINDS ARE EXPECTED TO SLOWLY DECREASE
LATE TONIGHT AND INTO TUESDAY MORNING SLOWLY DECREASING THE
CRITICAL FIRE WEATHER CONDITIONS.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY WITH ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................5 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....83-87.
MIN HUMIDITY........11-16 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 15 TO 25 MPH. PERIODIC GUSTS
                    TO AROUND 30 MPH POSSIBLE. GUSTY AND ERRATIC
                    WINDS ALSO EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTHWEST 20 TO 35 MPH.
MIXING HEIGHT.......11000 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.................5 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........46-51 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 15 TO 25 MPH...SHIFTING
                    TO THE NORTH/NORTHWEST DURING THE MID
                    EVENING. OCCASIONAL GUSTS AROUND 30 MPH
                    LIKELY. ADDITIONAL ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE EVENING.
 RIDGETOP...........WEST 15 TO 30 MPH.
MIXING HEIGHT.......2400 FT AGL.
MIXING WINDS........WEST 15 TO 30 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.......GUSTY NORTH/NORTHWEST WINDS
                    DECREASING TO 5 TO 15 MPH BY MIDDAY.
 RIDGETOP...........WEST 20 TO 35 MPH.
MIXING HEIGHT.......6200 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.
HAINES INDEX........4.

$$
FORECASTER...FRIEDERS
REQUESTED BY...TIM KRAMER
TYPE OF REQUEST...WILDFIRE
.TAG 20120910.GILEA.02/BYZ