FNUS76 KMFR 201415
FWSMFR

SPOT FORECAST FOR A-12 PILES RX...USFS
NATIONAL WEATHER SERVICE MEDFORD OR
615 AM PST THU JAN 20 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 PST ON JANUARY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE OVER THE AREA THIS MORNING WILL HOLD STRONG TODAY RESULTING
IN LIMITED VERTICAL MIXING. THIS HIGH WILL WEAKEN TONIGHT THROUGH FRIDAY AS
A WEAK COLD FRONT NEARS. THIS FRONT WILL BE SIMILAR TO THE LAST ONE IN THAT
THERE WILL BE VERY LITTLE MOISTURE. INCREASING NORTHWEST WINDS ARE EXPECTED
FRIDAY AFTERNOON AND EVENING AS THIS FRONT PUSHES THROUGH. THIS SHOULD ALLOW
FOR A LITTLE MORE VERTICAL MIXING FRIDAY AFTERNOON THROUGH SATURDAY. ON
SATURDAY WINDS ALOFT ARE EXPECTED TO BE NORTHEAST...BUT MAY END UP BEING
NORTHWEST ALL DAY DUE TO SHASTA VALLEY-MOUNTAIN AFFECTS.


.TODAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....46-51.
MIN HUMIDITY........40-50 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST 0-2 MPH...THEN BECOMING NORTHWEST 0-2
                    MPH IN THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL OR LESS IN THE MORNING...BECOMING
                    500-1000 FT AGL IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 0-5 MPH BECOMING NORTHWEST 0-5 MPH IN THE
                    AFTERNOON.
CWR.................0 PERCENT.


.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....33-38.
MAX HUMIDITY........70-80 PERCENT.
EYE LEVEL WINDS.....NORTHWEST 0-2 MPH BECOMING SOUTHEAST 0-2 MPH.
MIXING HEIGHT.......FALLING TO 500 FT AGL OR LESS.
MIXING WINDS........NORTH 0-5 MPH BECOMING SOUTHEAST 0-5 MPH.
CWR.................0 PERCENT.


.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........45-55 PERCENT.
EYE LEVEL WINDS.....WIND BECOMING NORTHWEST 2-6 MPH...STRONGEST LATE
                    AFTERNOON.
MIXING HEIGHT.......500 FT AGL OR LESS UNTIL LATE MORNING...THEN
                    RISING TO 2000 TO 3000 FEET AGL IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 6 TO 12 MPH.
CWR.................0 PERCENT.


.SATURDAY...
SKY/WEATHER.........PATCHY MORNING FOG...THEN CLEARING.
MAX TEMPERATURE.....48-52.
MIN HUMIDITY........40-50 PERCENT.
EYE LEVEL WINDS.....NORTHWEST 2-6 MPH BECOMING NORTHEAST 4-8 MPH WITH
                    GUSTS 8-12 MPH.
MIXING HEIGHT.......INCREASING TO 1000-2000 FT AGL IN THE AFTERNOON.
MIXING WINDS........NORTH 5 TO 10 MPH BECOMING NORTHEAST 7-15 MPH.
CWR.................0 PERCENT.


$$
FORECASTER...LUTZ
REQUESTED BY...MICHAEL POWELL
TYPE OF REQUEST...PRESCRIBED
.TAG 20110119.A12PI.02/MFR