FNUS76 KMFR 220037
FWSMFR

SPOT FORECAST FOR GRAYBACK THIN 1...USFS/GFI
NATIONAL WEATHER SERVICE MEDFORD OR
537 PM PDT TUE APR 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE RIDGE WILL BEGIN TO BREAK DOWN ON WEDNESDAY. AT
THE SAME TIME THE COASTAL THERMAL TROUGH AT THE SURFACE WILL MOVE
INLAND...LEADING TO A NORTHWESTERLY WIND SHIFT. WINDS WILL INCREASE
OVER THE RIDETOPS AND EXPOSED AREAS...BUT BECAUSE OF YOUR
SHELTERING...WIND SPEEDS WILL BE LOWER. MUCH COOLER CONDITIONS WITH
IMPROVED HUMIDITIES EXPECTED THURSDAY.


.WEDNESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....71-74.
MIN HUMIDITY........30-35 PERCENT.
EYE LEVEL WINDS.....LIGHT WIND BECOMING NORTH TO NORTHWEST
                    2 TO 5 MPH IN THE AFTERNOON.
MIXING HEIGHT.......400 FT AGL INCREASING TO 4500-6000 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 10 TO 18 MPH.
CWR.................0 PERCENT.

.WEDNESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....35-39.
MAX HUMIDITY........85-95 PERCENT.
EYE LEVEL WINDS.....NORTHWEST 2 TO 5 MPH IN THE EVENING BECOMING
                    LIGHT.
MIXING HEIGHT.......5500 FT AGL DECREASING TO 500 TO 1000 FT AGL
                    THROUGH THE NIGHT.
MIXING WINDS........NORTHWEST 12 TO 15 MPH. BECOMING NORTH AND
                    DECREASING TO 4 TO 7 MPH.
CWR.................0 PERCENT.

.THURSDAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........40-44 PERCENT.
EYE LEVEL WINDS.....LIGHT WIND BECOMING NORTH 3 TO 5 MPH WITH
                    OCCASIONAL GUST TO 8 MPH IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 6500-7500 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTH 8 TO 12 MPH.
CWR.................3 PERCENT.

$$
FORECASTER...PETRUCELLI
REQUESTED BY...BRAD CLAYTON
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.GRAYB.02/MFR