FNUS75 KBYZ 051159
FWSBYZ

SPOT FORECAST FOR GILEAD...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
559 AM MDT WED SEP 5 2012

FORECAST IS BASED ON REQUEST TIME OF 0519 MDT ON SEPTEMBER 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

WINDS WILL BE SLOPE DOMINANT TODAY WITH SLIGHTLY COOLER
TEMPERATURES AND HIGHER RH VALUES TODAY. AN AREA OF DRIER AIR WILL
MOVE OVER THE FIRE TONIGHT WITH POOR RH RECOVERIES...AND RH VALUES
POSSIBLY IN THE 20S AT SUNRISE. INITIAL COLD FRONTAL WIND SHIFT
WILL OCCUR AROUND SUNRISE SHIFTING LOWER ELEVATION WINDS TO THE
NORTHWEST. A STRONGER PUSH OF NORTH WINDS ARRIVES AROUND NOON.
EXPECT SCATTERED SHOWERS AND AN ISOLATED THUNDERSTORM TO DEVELOP
AROUND 3 PM...WITH LIGHT PRECIPITATION OFF AND ON THROUGH THURSDAY
NIGHT.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/VALLEY 4 TO 8 MPH.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......5000 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.
HAINES INDEX........4.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....46-51.
MAX HUMIDITY........40-45 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWN SLOPE/VALLEY 3 TO 6 MPH...BECOMING
                    NORTHWEST 6 TO 12 MPH AFTER MIDNIGHT.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......2000 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.
HAINES INDEX........4.

.THURSDAY...

SKY/WEATHER.........INCREASING CLOUDS. SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS AFTER 3 PM.
CWR.................20 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....64-68.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 20 MPH GUSTING TO 30
                    MPH...BECOMING NORTH IN THE AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
 RIDGETOP...........WEST 15 TO 25 MPH...SHIFTING TO THE NORTH
                    IN THE AFTERNOON.
MIXING HEIGHT.......5000 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 25 MPH.
HAINES INDEX........5.

$$
FORECASTER...CHAMBERS
REQUESTED BY...GALEN ROESLER
TYPE OF REQUEST...WILDFIRE
.TAG 20120905.GILEA.01/BYZ