FNUS75 KBYZ 171329
FWSBYZ

SPOT FORECAST FOR MEXICAN HILL...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE BILLINGS MT
729 AM MDT TUE AUG 17 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON AUGUST 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

SKIES WILL BE MOSTLY SUNNY TODAY AS A RIDGE OF HIGH PRESSURE
BUILDS OVER THE BURN SITE. A WEAK DISTURBANCE WILL MOVE OVER THE
AREA THIS AFTERNOON AND EVENING BRINGING A SLIGHT CHANCE FOR A
THUNDERSTORM. A STRONGER DISTURBANCE WILL MOVE OVER THE BURN SITE
WEDNESDAY AFTERNOON AND EVENING BRINGING A BETTER CHANCE FOR
THUNDERSTORMS. ANY THUNDERSTORM WILL BE A MIX OF WET AND DRY AND
CONTAIN GUSTY ERRATIC WINDS. TEMPERATURES WILL BE WARMER TODAY
AND SEVERAL DEGREES WARMER YET ON WEDNESDAY.

.TODAY...

SKY/WEATHER.........SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN
                    THE AFTERNOON.
CWR.................8 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....63-68.
MIN HUMIDITY........34-39 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....SOUTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 UPR SLP/RIDGETOP...NORTHWEST 15 TO 25 MPH.
MIXING HEIGHT.......5600 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
CWR.................8 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....48-54.
MAX HUMIDITY........66-71 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....SOUTH WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
 UPR SLP/RIDGETOP...WEST 15 TO 25 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHWEST 10 TO 20 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................12 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....SOUTHWEST WINDS 5 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 UPR SLP/RIDGETOP...SOUTHWEST 15 TO 30 MPH.
MIXING HEIGHT.......8100 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

$$
FORECASTER...HOOLEY
REQUESTED BY...BIGHORN NF
TYPE OF REQUEST...PRESCRIBED
.TAG 20100817.MEXIC.01/BYZ