FNUS75 KBYZ 081956
FWSBYZ

SPOT FORECAST FOR BLACK SPRINGS...NORTHERN CHEYENNE AGENCY
NATIONAL WEATHER SERVICE BILLINGS MT
156 PM MDT MON AUG 8 2011

FORECAST IS BASED ON REQUEST TIME OF 1339 MDT ON AUGUST 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL REMAIN OVER THE AREA THROUGH TONIGHT FOR DRY
CONDITIONS. A FEW THUNDERSTORMS WILL BE VISIBLE TO THE SOUTHWEST
BUT ARE EXPECTED TO STAY SOUTH OF THE FIRE AREA. NORTHERLY WINDS
AT 6 TO 12 MPH WILL BECOME LIGHT OVERNIGHT WITH GOOD RH
RECOVERIES. WINDS SHIFT TO THE SOUTHEAST ON TUESDAY AND INCREASE
TO 10 TO 15 MPH BY LATE AFTERNOON. SOUTHEAST WINDS WILL BRING IN
MORE LOW LEVEL MOISTURE KEEPING RH VALUES IN THE 30S TUESDAY
AFTERNOON AND BRINGING A CHANCE OF AFTERNOON THUNDERSTORMS.
CHAMBERS

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 6 TO 12 MPH.
 RIDGETOP...........NORTHWEST 10 TO 18 MPH.
MIXING HEIGHT.......9700 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....54-59.
MAX HUMIDITY........77-82 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 10 MPH...BECOMING LIGHT AND VARIABLE AFTER 10 PM.
 RIDGETOP...........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTHEAST 5 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................15 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........30-34 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 8 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........SOUTHEAST 10 TO 20 MPH.
MIXING HEIGHT.......10700 FT AGL.
MIXING WINDS........SOUTHEAST 10 TO 20 MPH.

$$
FORECASTER...CHAMBERS
REQUESTED BY...HENRY SPEELMAN
TYPE OF REQUEST...WILDFIRE
.TAG 20110808.BLACK.01/BYZ