FNUS75 KBYZ 301538
FWSBYZ

SPOT FORECAST FOR BROKEN JAW RX UNIT 13...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
838 AM MST MON NOV 30 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MST ON NOVEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

WARM AND DRY CONDITIONS EXPECTED TODAY WITH RELATIVE HUMIDITIES
IN THE LOWER 30S. WESTERLY WINDS WILL INCREASE THIS AFTERNOON
WITH GUSTS TO AROUND 25 MPH AT TIMES. MIXING HEIGHTS WILL BE
AROUND 2500 FEET THIS AFTERNOON. WINDS WILL WEAKEN THIS
EVENING...BUT LATE TONIGHT A STRONG COLD FRONT WILL MOVE THROUGH
THE FIRE AREA CAUSING WINDS TO INCREASE IN THE EARLY MORNING
HOURS. AT THIS TIME FRONTAL PASSAGE LOOKS TO BE AROUND 4 AM.
NORTHWEST WINDS WILL INCREASE THROUGH TUESDAY MORNING AS COLD AIR
MOVES INTO THE REGION...AND WILL REMAIN GUSTY THROUGH TUESDAY
EVENING. SCATTERED SNOW SHOWERS WILL BE IN THE FIRE VICINITY FOR
MUCH OF THE DAY ON TUESDAY...AND RELATIVE HUMIDITIES WILL ONLY
DROP INTO THE UPPER 30S. CHAMBERS

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 12 TO 18 MPH....AFTERNOON GUSTS TO
                    25 MPH.
 RIDGETOP...........WEST 20 TO 30 MPH.
MIXING HEIGHT.......2500 FT AGL.
MIXING WINDS........NORTHWEST 25 TO 35 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY...BECOMING MOSTLY CLOUDY OVERNIGHT.
CWR.................0 PERCENT.
MIN TEMPERATURE.....34-39.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 8 TO 12 MPH...SHIFTING TO THE NORTHWEST
                    12 TO 20 MPH AFTER 4 AM MST.
 RIDGETOP...........WEST 10 TO 20 MPH IN THE EVENING...BECOMING NORTHWEST
                    35 TO 45 MPH OVERNIGHT.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH IN THE EVENING...BECOMING
                    NORTHWEST 35 TO 50 MPH OVERNIGHT.

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN THE
                    MORNING...THEN ISOLATED SNOW SHOWERS IN THE
                    AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....38-43.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 18 TO 25 MPH. GUSTS UP TO 35
                    MPH IN THE AFTERNOON.
 RIDGETOP...........NORTHWEST 25 TO 35 MPH.
MIXING HEIGHT.......5500 FT AGL.
MIXING WINDS........NORTHWEST 30 TO 45 MPH.

$$
FORECASTER...CHAMBERS
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20091130.BROKE.01/BYZ