FNUS75 KBYZ 042249
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
449 PM MDT TUE SEP 4 2012

FORECAST IS BASED ON REQUEST TIME OF 1620 MDT ON SEPTEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

.DISCUSSION...
ANOTHER PUSH OF WIND IS POSSIBLE IN THE FIRE SITE AREA EARLY THIS
EVENING...THOUGH CONFIDENCE IS NOT HIGH. LOOK FOR NORTHWEST WINDS
UNDER 15 MPH TO TURN A BIT MORE TO THE NORTH AT 10 TO 20 MPH
AROUND 7 PM...WITH GUSTS TO 25 MPH POSSIBLE. WINDS WILL THEN
WEAKEN FOR GOOD AFTER 9 PM WITH THE SETTING SUN WITH DRAINAGE
WINDS OUT OF THE NORTHWEST PREVAILING. HUMIDITY IS EXPECTED TO
CLIMB OVER 30 PERCENT BY MIDNIGHT WITH MODERATE RECOVERY OVERNIGHT
UNDER CLEAR SKIES. WEAK WINDS ARE THEN EXPECTED WEDNESDAY
MORNING...BECOMING UPSLOPE IN THE AFTERNOON AT 5 TO 10 MPH. LIGHT
WINDS AND CLEAR SKIES WEDNESDAY NIGHT WILL GIVE WAY TO INCREASING
CLOUDS AND A CHANCE OF SHOWERS THURSDAY WITH MUCH COOLER
CONDITIONS. BT


.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY EARLY...BECOMING CLEAR LATE.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........50-55 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH...BUT NORTHERLY AT
                    10 TO 20 MPH FOR A SHORT TIME BETWEEN 6 PM AND 8 PM.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......1400 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 15 MPH.
HAINES INDEX........5.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....68-73.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH IN THE MORNING...
                    BECOMING EASTERLY IN THE AFTERNOON.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......5500 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH.
HAINES INDEX........5.

.WEDNESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........50-55 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH.
 RIDGETOP...........WEST TO SOUTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......1400 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.
HAINES INDEX........4.

$$
FORECASTER...TESAR
REQUESTED BY...GALEN ROESLER
TYPE OF REQUEST...WILDFIRE
.TAG 20120904.GILEA.02/BYZ