FNUS75 KBYZ 172336
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
536 PM MDT MON SEP 17 2012

FORECAST IS BASED ON REQUEST TIME OF 1702 MDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A FAST AND DRY NORTHWEST FLOW OF AIR WILL BE OVER THE FIRE AREA
TONIGHT THROUGH TUESDAY. AREAS EXPOSED TO THE NORTHWEST WILL SEE
GUSTY NORTHWEST WINDS TONIGHT THROUGH TUESDAY NIGHT. THE REMAINDER
OF THE AREA CAN EXPECT TERRAIN DRIVEN WINDS WITH DOWN SLOPE
TONIGHT. UPSLOPE WINDS ON TUESDAY WILL BE OFFSET BY THE FASTER
NORTHWEST FLOW ALOFT AND WILL REMAIN PREDOMINATELY NORTHWEST. A
COLD FRONT IS EXPECTED TO MOVE THROUGH THE AREA LATE TUESDAY NIGHT
BUT NO DRAMATIC WIND INCREASE OR WIND SHIFT IS EXPECTED. THE FRONT
WILL BE DRY. LOOK FOR MODERATE RH RECOVERIES TONIGHT BUT DRY AIR
WILL MOVE BACK INTO THE AREA TUESDAY NIGHT FOR POOR RECOVERIES.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....38-43.
MAX HUMIDITY........54-59 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......200 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 30 MPH.
HAINES INDEX........3.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 15 MPH.
 RIDGETOP...........NORTHWEST 15 TO 30 MPH.
MIXING HEIGHT.......7200 FT AGL.
MIXING WINDS........NORTH 15 TO 25 MPH.
HAINES INDEX........4.

.TUESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........33-38 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 15 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.
HAINES INDEX........4.

$$
FORECASTER...RICHMOND
REQUESTED BY...GALEN ROESLER
TYPE OF REQUEST...WILDFIRE
.TAG 20120917.GILEA.02/BYZ