FNUS76 KMFR 202237
FWSMFR

SPOT FORECAST FOR LOWER BIG BUTTE 350...MEDFORD BLM
NATIONAL WEATHER SERVICE MEDFORD OR
337 PM PDT WED MAY 20 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A THERMAL TROUGH OVER THE BURN SITE WILL SHIFT EAST
OF THE SITE DURING THE DAY THURSDAY TURNING THE WIND FROM OFFSHORE
TO ONSHORE. A WEAK DISTURBANCE MOVES THROUGH EARLY FRIDAY WHICH WILL
INCREASE THE ONSHORE WINDS A BIT WHILE COOLING TEMPERATURES A FEW
DEGREES AND INCREASING RELATIVE HUMIDITIES.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........18-28 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WIND 1 TO 3 MPH BECOMING SOUTHWEST
                    2 TO 5 MPH.
MIXING HEIGHT.......INCREASING TO 4000 FT AGL
                    LATE IN THE AFTERNOON.
MIXING WINDS........NORTHEAST 5 MPH BECOMING NORTHWEST 5 TO 10 MPH.
CWR.................0 PERCENT.

.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........71-81 PERCENT.
EYE LEVEL WINDS.....BECOMING DOWNSLOPE 1 TO 3 MPH.
MIXING HEIGHT.......DECREASING TO 500 FT AGL THROUGH
                    THE NIGHT.
MIXING WINDS........NORTH 5 MPH.
CWR.................0 PERCENT.

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....66-70.
MIN HUMIDITY........31-41 PERCENT.
EYE LEVEL WINDS.....WEST WIND 4 TO 7 MPH.
MIXING HEIGHT.......INCREASING TO 3500 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.
CWR.................0 PERCENT.

$$
FORECASTER...OBRIEN
REQUESTED BY...PAT BUTLER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090521.LOWER.01/MFR