FNUS75 KBYZ 021912
FWSBYZ

SPOT FORECAST FOR SUN DANCE...NORTHERN CHEYENNE AGENCY
NATIONAL WEATHER SERVICE BILLINGS MT
112 PM MDT THU AUG 2 2012

FORECAST IS BASED ON REQUEST TIME OF 1248 MDT ON AUGUST 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT FRIDAY...

.DISCUSSION...

HOT AND DRY CONDITIONS WILL PERSIST THROUGH THE REMAINDER OF THE
AFTERNOON...WITH ANY THUNDERSTORM ACTIVITY EXPECTED TO REMAIN EAST
OF THE SUN DANCE SITE. WEST TO NORTHWEST WINDS WILL CONTINUE TO
INCREASE WITH GUSTS NEAR 30 MPH BY LATE AFTERNOON. STRONGEST WINDS
WILL BE TONIGHT INTO FRIDAY DUE TO A STRONG COLD FRONTAL
PASSAGE...WHICH IS EXPECTED TO MOVE THROUGH BETWEEN 9 PM AND
MIDNIGHT. EXPECT NORTHWESTERLY WIND GUSTS INTO THE 30S ON THE
EXPOSED SLOPES AND RIDGES TONIGHT INTO FRIDAY MORNING. THE COLD
FRONT WILL BE FOLLOWED BY MUCH COOLER AND MORE HUMID AIR...AND
THERE IS A CHANCE OF A WETTING RAIN SHOWER ON FRIDAY. JKL

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....92-97.
MIN HUMIDITY........12-17 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST TO NORTHWEST 10-20 MPH BECOMING 15-25 MPH BY
                    LATE AFTERNOON.
 RIDGETOP...........WEST TO NORTHWEST 15-25 MPH. GUSTS TO 30 MPH BY
                    LATE AFTERNOON.
MIXING HEIGHT.......13000 FT AGL.
MIXING WINDS........WEST 20 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....60-65.
MAX HUMIDITY........45-55 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST 15-25 MPH GUSTS TO 32 MPH AFTER 9 PM.
 RIDGETOP...........NORTHWEST TO NORTH 20-30 MPH. GUSTS TO 38 MPH
                    AFTER 9 PM.
MIXING HEIGHT.......1500 FT AGL.
MIXING WINDS........NORTHWEST 25 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY WITH SCATTERED SHOWERS AND
                    THUNDERSTORMS.
CWR.................30 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST TO NORTH 10-20 MPH. GUSTS TO 25 MPH.
 RIDGETOP...........NORTHWEST 20-30 MPH.
MIXING HEIGHT.......9000 FT AGL.
MIXING WINDS........NORTHWEST 20 MPH.

$$
FORECASTER...LESTER
REQUESTED BY...MIKE BEARCOMESOUT
TYPE OF REQUEST...WILDFIRE
.TAG 20120802.SUNDA.01/BYZ