FNUS75 KBYZ 202222
FWSBYZ

SPOT FORECAST FOR YELLOWHILL RX...MEDICINE WHEEL RD
NATIONAL WEATHER SERVICE BILLINGS MT
422 PM MDT MON APR 20 2009

FORECAST IS BASED ON IGNITION TIME OF 1800 MDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
DRY CONDITIONS WILL CONTINUE OVER THE BURN AREA THROUGH
WEDNESDAY. WINDS WILL BE SLIGHTLY WEAKER TUESDAY THAN THEY WERE
TODAY...BUT STILL OUT OF THE NORTHWEST. RELATIVE HUMIDITIES WILL
DROP INTO THE LOW TO MID TEENS TUESDAY AFTERNOON. WINDS WILL
WEAKEN SLOWLY THROUGH THE EARLY EVENING HOURS TUESDAY. RH
RECOVERY WILL BE MARGINAL TUESDAY NIGHT. WEDNESDAY WILL SEE WINDS
OUT OF THE SOUTH AND WEAKER THAN SPEEDS ON TUESDAY. OTHER
CONDITIONS WEDNESDAY WILL BE SIMILAR TO TUESDAY. CHAMBERS

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....76-82.
MIN HUMIDITY........12-16 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 4 TO 8 MPH IN THE MORNING INCREASING
    TO 12 TO 18 MPH IN THE AFTERNOON. AFTERNOON GUSTS
    TO 25 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......15000 FT AGL.
MIXING WINDS........NORTHWEST 20 TO 25 MPH.

.TUESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....41-45.
MAX HUMIDITY........50-56 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 15 MPH IN THE EVENING
                    SHIFTING TO THE SOUTHEAST 5 TO 10 MPH
                    OVERNIGHT.
 RIDGETOP...........WEST 10 TO 15 MPH.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....76-82.
MIN HUMIDITY........10-15 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 10 TO 15 MPH.
 RIDGETOP...........WEST 15 TO 20 MPH.
MIXING HEIGHT.......14500 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

$$
FORECASTER...CHAMBERS
REQUESTED BY...WARREN APPELHANS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090420.YELLO.01/BYZ