FNUS75 KBYZ 241556
FWSBYZ

SPOT FORECAST FOR GILEAD FIRE...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
956 AM MDT FRI AUG 24 2012

FORECAST IS BASED ON REQUEST TIME OF 0938 MDT ON AUGUST 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.DISCUSSION...

DRY COLD FRONT WILL MOVE THROUGH THE AREA AROUND 4 PM THIS
AFTERNOON. AHEAD OF THE FRONT WINDS ON THE FIRE WILL BE SLOPE
DOMINANT...WITH GUSTY WEST WINDS AT RIDGETOP LEVEL. RH VALUES WILL
BE IN THE LOW TO MID TEENS THIS AFTERNOON. WINDS BEHIND THE FRONT
WILL BE GUSTY OUT OF THE NORTH...BUT THE FIRE AREA SHOULD BE
SHELTERED FROM THE STRONGEST WINDS. WIDNS WILL DIMINISH LATE THIS
EVENING. TOMORROW WILL BE COOLER BUT DRY CONDITIONS WILL PREVAIL
WITH RH VALUES IN THE TEENS. WINDS SATURDAY WILL BE LIGHT SLOPE
DOMINANT ON THE FIRE...WITH BREEZY WEST WINDS AT RIDGETOP
ELEVATION. CHAMBERS

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........13-18 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/VALLEY 6 TO 12 MPH BECOMING
                    NORTH 8 TO 15 MPH GUSTING TO 25 MPH
                    AFTER 4 PM.
 RIDGETOP...........WEST 15 TO 25 MPH GUSTING TO 40 MPH.
HAINES INDEX........5.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING THEN BECOMING
                    CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........47-52 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 8 TO 15 MPH WITH GUSTS TO
                    25 MPH IN THE EVENING...BECOMING DOWN
                    SLOPE/VALLEY 3 TO 8 MPH OVERNIGHT.
 RIDGETOP...........WEST 10 TO 20 MPH. GUSTS TO 40 MPH IN THE
                    EVENING.
HAINES INDEX........4.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/VALLEY 4 TO 8 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
HAINES INDEX........4.

$$
FORECASTER...CHAMBERS
REQUESTED BY...GILEAD IC
TYPE OF REQUEST...WILDFIRE
.TAG 20120824.GILEA.01/BYZ