FNUS76 KPQR 092119
FWSPQR

SPOT FORECAST FOR COLLINS SLIDE RX...MT HOOD NATIONAL FOREST
NATIONAL WEATHER SERVICE PORTLAND OR
119 PM PST WED FEB 9 2011

FORECAST IS BASED ON IGNITION TIME OF 1230 PST ON FEBRUARY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A BROAD RIDGE OF HIGH PRESSURE OVER THE AREA WILL
BRING A MOSTLY SUNNY DAY ON THURSDAY WITH VERY LIGHT WINDS. A
LIGHT EASTERLY DRIFT TO THE WIND IN THE MORNING WILL SHIFT TO THE
WEST IN THE AFTERNOON BUT WIND SPEEDS ARE EXPECT TO REMAIN WELL
UNDER 5 MPH. AN APPROACHING FRONTAL SYSTEM WELL OFFSHORE AND TO THE
NORTHWEST WILL BRING A SMALL INCREASE IN THE EASTERLY GRADIENT
ACROSS THE GORGE FRIDAY MORNING. THE SURFACE PRESSURE GRADIENT
HOWEVER WILL TURN MORE SOUTHERLY BY FRIDAY AFTERNOON WITH WINDS AT
ELEVATIONS NEAR RIVER LEVEL ONCE AGAIN BECOMING LIGHT. SOUTHWESTERLY
RIDGE LEVEL WINDS WILL INCREASE FRIDAY NIGHT AS THE APPROACHING
FRONTAL SYSTEM TIGHTENS THE PRESSURE GRADIENT ACROSS THE AREA WITH
RIVER LEVEL WEST TO SOUTHWEST WINDS INCREASING SATURDAY. RAIN
ACCOMPANYING THE FRONTAL SYSTEM WILL LIKELY REACH THE BURN SITE
SATURDAY.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY WITH PATCHY MORNING FOG.
CWR (%).............0%
MAX TEMPERATURE.....47 TO 49.
MIN HUMIDITY........45 TO 48 PERCENT.
EYE LEVEL WIND......EAST WINDS 1 TO 3 MPH BECOMING LIGHT AND
                    VARIABLE MIDDAY THEN SHIFTING TO THE WEST
                    AROUND 2 MPH IN THE AFTERNOON.
CEILING.............NONE.

TIME (PST)      8 AM   10 AM  NOON   2 PM   4 PM
TEMP............33     39     45     47     48
RH..............89     70     55     51     47
EYE LEVEL WIND..E 1    E 0    V 0    W 0    W 1
   MAX GUST.....  3      2      2      3      4

.THURSDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR (%).............0%.
MIN TEMPERATURE.....AROUND 28.
MAX HUMIDITY........90 TO 95 PERCENT.
EYE LEVEL WINDS.....WEST WINDS AROUND 2 MPH IN THE EVENING SHIFTING
                    TO THE EAST AND INCREASING TO 4 TO 6 MPH BY
                    DURING THE EARLY MORNING HOURS.

.FRIDAY...

SKY/WEATHER.........INCREASING CLOUDS.
CWR (%).............LESS THAN 5 PERCENT.
MAX TEMPERATURE.....AROUND 45.
MIN HUMIDITY........55 TO 60 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 5 TO 7 MPH IN THE MORNING BECOMING
                    LIGHT AND VARIABLE IN THE AFTERNOON.


$$
FORECASTER...RUTHFORD
REQUESTED BY...ROLAND ROSE
REASON FOR REQUEST...PRESCRIBED
.TAG 20110210.COLLI.01/PQR