FNUS75 KBYZ 041150
FWSBYZ

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

FORECAST IS BASED ON REQUEST TIME OF 0514 MDT ON SEPTEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT
THIS EVENING...

.DISCUSSION...
POOR RH RECOVERIES OVERNIGHT WITH CURRENT READINGS AROUND 20
PERCENT. EXPECT RH VALUES TO DROP A BIT FURTHER THIS
MORNING...THEN RISE THIS AFTERNOON BEHIND A MID DAY COLD FRONT.
NORTHWEST WINDS WILL TURN TO THE NORTH AND POSSIBLY NORTHEAST
BEHIND THE FRONT WITH OCCASIONAL GUSTS ON THE FIRE TO 25 MPH.
SHELTERING SHOULD KEEP THE STRONGER WINDS AT RIDGETOP ELEVATIONS
THIS AFTERNOON UNLESS WINDS TURN MORE NORTHEASTERLY. WINDS WILL
DIMINISH THIS EVENING AND WILL BE SLOPE DOMINANT AND LIGHT
OVERNIGHT THROUGH THE DAY WEDNESDAY. WEDNESDAY WILL BE SUNNY WITH
RH VALUES IN THE 20S. CHAMBERS

.TODAY...

SKY/WEATHER.........SUNNY...BECOMING PARTLY CLOUDY IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 8 TO 16 MPH...BECOMING NORTH
                    IN THE AFTERNOON. OCCASIONAL GUSTS TO 25 MPH
                    IN THE AFTERNOON.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH...BECOMING NORTH 15
                    TO 25 MPH IN THE AFTERNOON.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 25 MPH.
HAINES INDEX........5.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....44-48.
MAX HUMIDITY........60-66 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 8 TO 16 MPH IN THE EVENING BECOMING
                    DOWN SLOPE/VALLEY 3 TO 6 MPH OVERNIGHT.
 RIDGETOP...........WEST 5 TO 15 MPH.
MIXING HEIGHT.......1500 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.
HAINES INDEX........4.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....68-73.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/VALLEY 4 TO 8 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........WEST 20 TO 30 MPH.
HAINES INDEX........5.

$$
FORECASTER...CHAMBERS
REQUESTED BY...GALEN ROESLER
TYPE OF REQUEST...WILDFIRE
.TAG 20120904.GILEA.01/BYZ