FNUS75 KBYZ 182349
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
549 PM MDT TUE SEP 18 2012

FORECAST IS BASED ON REQUEST TIME OF 1718 MDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A DRY AND FAST NORTHWEST FLOW WILL CONTINUE OVER THE FIRE AREA
TONIGHT THROUGH WEDNESDAY NIGHT. THE NORTHWEST WINDS WILL IMPACT
RIDGE TOPS. A DRY COLD FRONT WILL MOVE THROUGH THE FIRE AREA LATE
TONIGHT AND WILL INCREASE RIDGE TOP WINDS. FURTHER DOWN THE
SLOPES...WINDS WILL BE TERRAIN DRIVEN WITH DOWN SLOPE WINDS BOTH
TONIGHT AND WEDNESDAY NIGHT OF 5 TO 10 MPH. WINDS WILL BECOME
UPSLOPE BY LATE MORNING. RH'S TONIGHT WILL ONLY RECOVER INTO THE
LOWER 40 PERCENT RANGE BUT BETTER RECOVERIES ARE EXPECTED
WEDNESDAY NIGHT WITH COLDER OVERNIGHT TEMPERATURES EXPECTED.
MINIMUM RH'S ON WEDNESDAY WILL BE SLIGHTLY HIGHER WITH READINGS
IN THE LOWER 20 PERCENT RANGE.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........36-41 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST NORTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 20 TO 35 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 15 TO 30 MPH.
MIXING HEIGHT.......5700 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.

.WEDNESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........55-60 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST NORTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 15 TO 30 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.

$$
FORECASTER...RICHMOND
REQUESTED BY...KEVIN HILLARD
TYPE OF REQUEST...WILDFIRE
.TAG 20120918.GILEA.02/BYZ