FNUS76 KMFR 311715
FWSMFR

SPOT FORECAST FOR LAVA FUEL BREAK...USFS
NATIONAL WEATHER SERVICE MEDFORD OR
915 AM PST TUE JAN 31 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 PST ON JANUARY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL
WEATHER SERVICE.

.DISCUSSION...WEAK HIGH PRESSURE BUILDS OVER THE BURN AREA
TODAY. HOWEVER WINDS ARE EXPECTED TO REMAIN LIGHT ALONG WITH
LOW MIXING HEIGHTS FOR THIS AFTERNOON. A COLD FRONT MOVES
INTO THE BURN AREA EARLY WEDNESDAY MORNING AND WILL BRING
LIGHT PRECIPITATION AND HIGHER MIXING HEIGHTS AND WINDS. THE
FRONT MOVES EAST WEDNESDAY AFTERNOON WITH INCREASING SURFACE WINDS
AND INCREASING MIXING HEIGHTS. HIGH PRESSURE BUILDS IN WEDNESDAY
NIGHT. DRY WEATHER IS EXPECTED THURSDAY WITH AN INVERSION LIKELY
IN THE MORNING. STRONGER HIGH PRESSURE BUILDS IN FROM THE NORTH
FRIDAY AND PERSIST THROUGH THE WEEKEND. THIS WILL LEAD TO COLDER
NIGHTS WITH INVERSIONS AND PROBABLY LOW MIXING HEIGHTS IN THE AFTERNOON.


.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....47-49.
MIN HUMIDITY........53 PERCENT.
20 FT WINDS.........VARIABLE 0-2 MPH IN THE MORNING. SOUTH 2-5
                    MPH IN THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL INCREASING TO 2500 FT AGL IN
                    THE AFTERNOON.
MIXING WINDS........WEST 5 TO 12 MPH.
CWR.................0 PERCENT.

.TONIGHT...

SKY/WEATHER.........BECOMING MOSTLY CLOUDY. SNOW SHOWERS
                    DEVELOPING LATE.
MIN TEMPERATURE.....28-30.
MAX HUMIDITY........92 PERCENT.
20 FT WINDS.........SOUTHWEST 3-5 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTHWEST 5-11 MPH.
CWR.................0 PERCENT....THEN 80 PERCENT AFTER MIDNIGHT.

.WEDNESDAY...

SKY/WEATHER.........SNOW SHOWERS ENDING LATE IN THE MORNING. DRY
                    WITH PARTIAL AFTERNOON CLEARING.
MAX TEMPERATURE.....43-46.
MIN HUMIDITY........56 PERCENT.
20 FT. WINDS........SOUTHWEST 3-5 MPH IN THE MORNING...THEN
                    NORTHWEST 4-7 MPH IN THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL INCREASING TO 3200 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........NORTHWEST 14 TO 24 MPH.
CWR.................80 PERCENT IN THE MORNING. 20 PERCENT IN THE
                    AFTERNOON.

$$
FORECASTER...PETRUCELLI
REQUESTED BY...JEFF MICHELS
TYPE OF REQUEST...PRESCRIBED
.TAG 20120131.LAVAF.01/MFR