FNUS75 KBYZ 011047
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
447 AM MDT MON OCT 1 2012

FORECAST IS BASED ON REQUEST TIME OF 0406 MDT ON OCTOBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

.DISCUSSION...
LEE TROUGHING WILL DEVELOP OVER THE AREA TODAY AND PERSIST
THROUGH TONIGHT. A STRONG COLD FRONT WILL APPROACH THE FIRE
FROM THE NORTH TUESDAY AFTERNOON...AND CROSS THE FIRE TUESDAY
NIGHT. THE WEATHER WILL BE DRY THROUGH TONIGHT. RELATIVE
HUMIDITIES WILL BE IN THE LOWER TO MID 30S TODAY. HUMIDITIES
WILL RECOVER INTO THE 40S TONIGHT UNDER A WARMER AIRMASS.
TUESDAY WILL BE VERY WARM AND DRY WITH HUMIDITIES IN THE
TEENS. WINDS WILL BE TERRAIN DRIVEN THROUGH TUESDAY. ARTHUR

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE/UP-VALLEY WINDS 5 TO 15 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......5600 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.
HAINES INDEX........3.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....43-48.
MAX HUMIDITY........41-46 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWN-VALLEY WINDS 5 TO 15 MPH.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.
HAINES INDEX........4.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....66-73.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UPSLOPE/UP-VALLEY WINDS 5 TO 15 MPH.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......7500 FT AGL.
MIXING WINDS........WEST 15 TO 30 MPH.
HAINES INDEX........4.

$$
FORECASTER...ARTHUR
REQUESTED BY...KEVIN HILLARD
TYPE OF REQUEST...WILDFIRE
.TAG 20121001.GILEA.01/BYZ