FNUS75 KBYZ 171221
FWSBYZ

SPOT FORECAST FOR BEARCOMESOUT FIRE...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
621 AM MDT MON SEP 17 2012

FORECAST IS BASED ON REQUEST TIME OF 0605 MDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HUMIDITIES IN THE TEENS WITH INCREASING NORTHWEST WINDS
TUESDAY AFTERNOON...

.DISCUSSION...
TEMPERATURES TODAY WILL BE SLIGHTLY BELOW SEASONAL AVERAGES. THE
COOLER TEMPERATURES AND GOOD HUMIDITY RECOVERIES OVERNIGHT WILL
KEEP HUMIDITIES ABOVE 20 PERCENT THIS AFTERNOON. WINDS WILL BE
LIGHT AND SHOULD BE A LITTLE ERRATIC THIS AFTERNOON. TUESDAY WILL
BE WARMER WITH HUMIDITIES FALLING INTO THE TEENS IN THE AFTERNOON.
NORTHWEST WINDS WILL INCREASE TUESDAY AFTERNOON WITH SOME GUSTS TO
20 MPH. TWH

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 4 TO 10 MPH. WINDS BECOMING NORTH
                    TO NORTHWEST AND A LITTLE ERRATIC THIS
                    AFTERNOON.
 RIDGETOP...........SOUTH 5 TO 10 MPH THIS MORNING. WINDS BECOMING
                    NORTH THIS AFTERNOON.
MIXING HEIGHT.......6300 FT AGL.
MIXING WINDS........SOUTH 5 TO 10 MPH.
HAINES INDEX........4.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 4 TO 10 MPH.
 RIDGETOP...........SOUTHWEST 5 TO 10 MPH THIS EVENING. WINDS
                    BECOMING NORTHWEST 10 TO 15 MPH OVERNIGHT.
MIXING HEIGHT.......FALLING TO 500 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.
HAINES INDEX........4.

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST TO NORTHWEST WINDS 8 TO 16 MPH. GUSTS
                    TO 20 MPH IN THE AFTERNOON.
 RIDGETOP...........NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......6900 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 15 MPH.
HAINES INDEX........4.

$$
FORECASTER...HUMPHREY
REQUESTED BY...MERLIN SIOUX
TYPE OF REQUEST...WILDFIRE
.TAG 20120917.BEARC.01/BYZ