FNUS76 KMFR 270552
FWSMFR

SPOT FORECAST FOR THORN PRAIRIE...FS
NATIONAL WEATHER SERVICE MEDFORD OR
1052 PM PDT FRI APR 26 2013

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL WEAKEN SLIGHTLY TODAY ALLOWING
HIGH TEMPERATURE TO DECREASE BY A FEW DEGREES FROM YESTERDAY.
UPVALLEY WINDS WILL SET UP AROUND THE SAME TIME AS YESTERDAY WITH
SIMILAR WIND SPEED. ONSHORE FLOW WILL BRING SLIGHTLY COOLER AIR
MASS UP THE NORTH UMPQUA RIVER VALLEY TONIGHT. THIS WILL RESULT IN
COOLER AIR MASS FOR THE BURN AREA SUNDAY WITH HIGH HUMIDITY. THERE
IS A CHANCE THAT SOME LOW CLOUDS MAY SPREAD FAR ENOUGH INLAND TO
LEAD TO OVERCAST SKY SUNDAY MORNING. IF THIS IS THE CASE, EXPECT
CLEARING BY LATE MORNING OR EARLY AFTERNOON.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........23 PERCENT.
EYE LEVEL WINDS.....LIGHT UPSLOPE WINDS 2 TO 3 MPH IN THE MORNING
                    BECOMING UPVALLEY 4 TO 6 MPH AFTER 1300.
                    OCCASIONAL GUSTS TO 9 MPH.
MIXING HEIGHT.......3500 FT AGL AT IGNITION...INCREASING TO
                    5000 FT AGL.
MIXING WINDS........NORTHWEST AROUND 15 MPH.
CWR.................0 PERCENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY IN THE EVENING THEN BECOMING
                    MOSTLY CLOUDY.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........82 PERCENT.
EYE LEVEL WINDS.....SOUTH-SOUTHWEST WINDS 5 TO 6 MPH IN THE EVENING
                    THEN DECREASING TO SOUTHWEST 2 TO 4 MPH.
MIXING HEIGHT.......3500 FT AGL DECREASING TO 500 FT AGL EARLY IN
                    THE EVENING.
MIXING WINDS........NORTHWEST AROUND 10 MPH.
CWR.................0 PERCENT.

.SUNDAY...

SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING THEN BECOMING
                    PARTLY CLOUDY BY EARLY AFTERNOON.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........32 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST 3 TO 5 MPH. GUST TO 8 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........NORTHWEST AROUND 8 MPH.
CWR.................0 PERCENT.

$$
FORECASTER...BUNNAG
REQUESTED BY...UMPQUA DISPATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20130427.THORN.01/MFR