FNUS76 KPDT 281750
FWSPDT

SPOT FORECAST FOR BIG SHEEP RIDGE...NORTHEAST OREGON INTERAGENCY
DISPATCH CENTER NATIONAL WEATHER SERVICE PENDLETON OR
1050 AM PDT MON SEP 28 2009

FORECAST IS BASED ON REQUEST TIME OF 1022 PDT ON SEPTEMBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.DISCUSSION...LOW RELATIVE HUMIDITY WILL COMBINE WITH HAINES INDEX
OF 6 (HIGH) TO CREATE CRITICAL FIRE WEATHER CONDITIONS TODAY. WINDS
WILL INCREASE THIS AFTERNOON AS WELL. A TROUGH WILL MOVE THROUGH
TUESDAY BRINGING PRECIPITATION AND COOLER WEATHER. UPSLOPE SHOWERS
UNDER NORTHWEST FLOW ALOFT WILL OCCUR WEDNESDAY AND THURSDAY. BY
NEXT WEEKEND COLD AND WET FALL WEATHER WILL BE OVER THE AREA.

***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.........MOSTLY SUNNY.
CWR.................0.
MAX TEMPERATURE.....75.
MIN HUMIDITY........9 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 16 MPH INCREASING TO 10 TO 18
                    MPH WITH GUSTS TO AROUND 30 MPH IN THE
                    AFTERNOON.
RIDGETOP WIND.......SOUTH WINDS 10 TO 18 MPH WITH GUSTS TO AROUND
                    30 MPH IN THE AFTERNOON.
MIXING HEIGHT.......9500 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 21 MPH.
LAL.................1.
HAINES INDEX........6 (HIGH).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CWR.................0.
MIN TEMPERATURE.....35.
MAX HUMIDITY........57-62 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 17 MPH WITH GUSTS TO
                    AROUND 30 MPH.
RIDGETOP WIND.......SOUTHWEST WINDS 8 TO 17 MPH WITH GUSTS TO
                    AROUND 30 MPH.
MIXING HEIGHT.......9500 FT AGL DECREASING TO 500 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST 7 TO 14 MPH.
LAL.................1.
HAINES INDEX........6 (HIGH).

.TUESDAY...

SKY/WEATHER.........CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND
                    SNOW SHOWERS IN THE MORNING...THEN A
                    CHANCE OF RAIN SHOWERS AND SNOW SHOWERS
                    IN THE AFTERNOON.
CWR.................10.
MAX TEMPERATURE.....47.
MIN HUMIDITY........45 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 11 MPH.
RIDGETOP WIND.......SOUTHWEST WINDS 6 TO 12 MPH.
MIXING HEIGHT.......500 FT AGL INCREASING TO 4000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 6 TO 8 MPH.
LAL.................1.
HAINES INDEX........3 (VERY LOW).

.FORECAST DAYS 3 THROUGH 7...
.WEDNESDAY...
COOLER. MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. LOWS 23 TO
28. HIGHS 45 TO 50. NORTHWEST WINDS 7 TO 12 MPH.
.THURSDAY...
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS. LOWS 25 TO
30. HIGHS 45 TO 50. NORTHWEST WINDS 6 TO 11 MPH.
.FRIDAY...
PARTLY CLOUDY. A CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS 29 TO
34. HIGHS 50 TO 55. WEST WINDS 6 TO 11 MPH.
.SATURDAY...
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS AND SHOWERS. LOWS
33 TO 38. HIGHS 44 TO 51.
.SUNDAY...
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. LOWS 29 TO 34. HIGHS
43 TO 48.

$$
FORECASTER...DIANN COONFIELD
REQUESTED BY...AMANDA WILSON
TYPE OF REQUEST...WILDFIRE
.TAG 20090928.BIGSH.01/PDT