FNUS76 KPDT 071654
FWSPDT

SPOT FORECAST FOR RAILROAD COMMAND...BENTON COUNTY FIRE DISTRICT 1
NATIONAL WEATHER SERVICE PENDLETON OR
854 AM PST MON NOV 7 2011

FORECAST IS BASED ON INCIDENT TIME OF 0834 PST ON NOVEMBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...STABLE CONDITIONS WITH VERY LITTLE VERTICAL MIXING
WILL PREVAIL FOR THE NEXT SEVERAL HOURS. INVERSION WILL WEAKEN
TOWARDS THE LATE AFTERNOON BUT MAY NOT BREAK COMPLETELY AS A WEAK
COLD FRONT CROSSES THE INCIDENT AREA. SURFACE WINDS WILL ALSO BE
LIGHT BECOMING GENERALLY FROM THE SOUTH BY AROUND 1300 HOURS.
ANOTHER STRONG INVERSION WILL DEVELOP TONIGHT WITH SOMEWHAT BETTER
MIXING EXPECTED TOMORROW AFTERNOON.

***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***
***FORECAST IS VALID FOR 12 HOURS AFTER ISSUANCE***

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY. PATCHY FREEZING FOG IN THE
                    MORNING.
CWR.................0.
MAX TEMPERATURE.....48.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE BECOMING SOUTHWEST 3 TO 6 MPH
                    AROUND 1400 HOURS.
RIDGETOP WIND.......AT 1500 FEET...SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......NEAR SURFACE FOR MOST OF THE DAY INCREASING TO
                    1500 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH IN
                    THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    PATCHY FOG OVERNIGHT.
CWR.................0.
MIN TEMPERATURE.....29.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 4 TO 7 MPH BECOMING LIGHT AND
                    VARIABLE AROUND 2100 HOURS.
RIDGETOP WIND.......1500 FEET. SOUTHWEST 9 TO 14 MPH DECREASING TO 4
                    TO 8 MPH AROUND 0200 HOURS.
MIXING HEIGHT.......1500 FT AGL DECREASING TO NEAR SURFACE AROUND
SUNSET.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH BECOMING LIGHT AROUND
SUNSET.

$$
FORECASTER...JON BONK
REQUESTED BY...EROC AJ HILL
TYPE OF REQUEST...HAZMAT
.TAG 20111107.RAILR.01/PDT