FNUS75 KBYZ 131706
FWSBYZ

SPOT FORECAST FOR PINE CREEK...USFS GALLATIN NATIONAL FOREST
NATIONAL WEATHER SERVICE BILLINGS MT
1106 AM MDT THU SEP 13 2012

FORECAST IS BASED ON IGNITION TIME OF 1132 MDT ON SEPTEMBER 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WARM AND VERY DRY CONDITIONS WILL BE OVER THE FIRE ON FRIDAY.
LIGHT WINDS EARLY WILL BECOME SOUTHWEST 5 TO 10 MPH BY
LATE MORNING. HUMIDITIES WILL RECOVER INTO ONLY THE LOWER 30S
FRIDAY NIGHT. A DRY COLD FRONT WILL PUSH THROUGH THE FIRE LATE
SATURDAY AFTERNOON. THE FRONT WILL TURN WINDS TO THE NORTHWEST
AT 5 TO 15 MPH. OTHERWISE IT WILL CONTINUE TO BE WARM AND
VERY DRY. MORNING INVERSIONS WILL MIX OUT BY 11 AM MDT AND LIFT
ABOVE MOUNTAIN TOP BY 3 PM MDT.

.FRIDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........4-9 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWN-VALLEY WINDS AROUND 5 MPH
                    EARLY IN THE MORNING...BECOMING SOUTHWEST
                    5 TO 10 MPH BY LATE MORNING.
 RIDGETOP...........WEST 15 TO 25 MPH.
MIXING HEIGHT.......720 FT AGL INVERSION MIXING OUT BY 11 AM
                    MDT...LIFTING ABOVE MOUNTAIN TOP BY 3 PM MDT.
MIXING WINDS........SOUTHWEST 15 TO 25 MPH.
HAINES INDEX........6.

.FRIDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......860 FT AGL INVERSION DEVELOPING BY
                    MIDNIGHT MDT.
MIXING WINDS........SOUTHWEST 10 TO 20 MPH.
HAINES INDEX........4.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....81-86.
MIN HUMIDITY........5-10 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 15 MPH...BECOMING
                    NORTHWEST 5 TO 15 MPH DURING THE AFTERNOON.
 RIDGETOP...........NORTHWEST 15 TO 25 MPH.
MIXING HEIGHT.......860 FT AGL INVERSION MIXING OUT BY 11 AM MDT
                    ...LIFTING ABOVE MOUNTAIN TOP BY 3 PM MDT.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.
HAINES INDEX........5.

$$
FORECASTER...ARTHUR
REQUESTED BY...DAN MINDAR FBAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20120914.PINEC.01/BYZ