FNUS75 KBYZ 190030
FWSBYZ

SPOT FORECAST FOR WILFRED CREEK...NORTHERN CHEYENNE AGENCY
NATIONAL WEATHER SERVICE BILLINGS MT
630 PM MDT WED AUG 18 2010

FORECAST IS BASED ON REQUEST TIME OF 1808 MDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN UPPER LEVEL STORM SYSTEM AND WEAK COLD FRONT WILL BRING
ISOLATED TO SCATTERED THUNDERSTORMS TO THE FIRE SITE LATER TONIGHT
AND AGAIN THURSDAY AFTERNOON. AS OF 630 PM...THUNDERSTORMS WERE
WELL TO THE NORTHWEST AND NOT THREATENING THE FIRE SITE. STORMS
THAT DO APPROACH THE FIRE SITE LATER TONIGHT ARE EXPECTED TO BE
GENERALLY WET. EXPECT LIGHT WINDS TO INCREASE AND BECOME EASTERLY
AS THE WEATHER DISTURBANCE APPROACHES. WINDS WILL BECOME WEST
BEHIND THE SYSTEM AND TURN NORTHWEST BEHIND THE COLD FRONT BY
THURSDAY AFTERNOON. TEMPS WILL BE A FEW DEGREES COOLER
TOMORROW...WITH RH VALUES SLIGHTLY HIGHER THAN TODAY.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....62-67.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....WINDS BECOMING EAST AT 5 TO 10 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
 UPR SLP/RIDGETOP...SOUTHEAST 15 TO 25 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........EAST 15 TO 25 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................25 PERCENT.
LAL.................4...16 TO 25 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....83-88.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....WEST WINDS 5 TO 15 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
 UPR SLP/RIDGETOP...WEST 5 TO 15 MPH.
MIXING HEIGHT.......8400 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.

$$
FORECASTER...LESTER/GILSTAD
REQUESTED BY...HENRY SPEELMAN
TYPE OF REQUEST...WILDFIRE
.TAG 20100818.WILFR.01/BYZ