FNUS75 KBYZ 101250
FWSBYZ

SPOT FORECAST FOR BROKEN JAW UNIT 12...NORTHERN CHEYENNE AGENCY BIA
NATIONAL WEATHER SERVICE BILLINGS MT
650 AM MDT THU MAY 10 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...WEATHER DISTURBANCE AND ASSOCIATED COLD FRONT BRING STRONG AND
GUSTY WINDS...AND ISOLATED SHOWERS AND THUNDERSTORMS...

GUSTY NORTH TO NORTHWEST WINDS PREVAIL OVER THE BURN SITE BEHIND
A COLD FRONT THAT PUSHED THROUGH EARLY THIS MORNING. GUSTS AROUND
30 MPH CAN BE EXPECTED THROUGH THIS AFTERNOON. ISOLATED SHOWERS
AND THUNDERSTORMS WILL IMPACT THE BURN SITE BY LATE MORNING AND
THROUGH THIS AFTERNOON. HIGH TEMPERATURES TODAY WILL BE IN THE MID
60S EARLY IN THE DAY...WITH COOLING TEMPERATURES AND
RISING RH VALUES THROUGHOUT THE AFTERNOON. WINDS WILL TAPER OFF
LATE THIS EVENING...BUT REMAIN NORTHERLY OVERNIGHT. HIGHS WILL ONLY REACH
THE UPPER 50S AT THE BURN SITE ON FRIDAY...WITH RH VALUES AROUND
30 PERCENT. WINDS WILL REMAIN LIGHT ON FRIDAY...AT 5 TO 15 MPH...FAVORING
NORMAL DIURNAL PATTERNS FOR THE BURN SITE.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................11 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........36-41 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 15 TO 25 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........NORTHWEST 20 TO 35 MPH.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 30 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
                    EVENING.
CWR.................8 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....33-38.
MAX HUMIDITY........76-81 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 20 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......1700 FT AGL.
MIXING WINDS........NORTH 15 TO 25 MPH.

$$
FORECASTER...GILSTAD/RICHMOND
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20120510.BROKE.01/BYZ