FNUS76 KPDT 251335 FWSPDT SPOT FORECAST FOR SIMON BUTTE II...WAYAA NATIONAL WEATHER SERVICE PENDLETON OR 635 AM PDT TUE OCT 25 2011 FORECAST IS BASED ON IGNITION TIME OF 1300 PDT ON OCTOBER 25. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...FAIR WEATHER WITH TERRAIN DRIVEN WINDS BECOMING NORTHEAST LATE THIS MORNING. INVERSION WILL START OUT NEAR SURFACE THIS MORNING THEN BEGIN TO LIFT AFTER 0900, REACHING MAXIMUM HEIGHT BY 1400. SURFACE HIGH PRESSURE WILL SHIFT SOUTH TO THE GREAT BASIN WEDNESDAY WITH WINDS BECOMING SOUTHERLY. ***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.........SUNNY. CWR.................0. MAX TEMPERATURE.....46. MIN HUMIDITY........38 PERCENT. WIND (20 FT)........DRAINAGE (NORTHEAST) WINDS 2-4 MPH BECOMING UPSLOPE 2-5 MPH BY 1000...THEN SHIFTING TO THE NORTHEAST 4-8 MPH AFTER NOON. RIDGETOP WIND.......NORTH TO NORTHEAST WINDS 5-9 MPH. MIXING HEIGHT.......NEAR SURFACE THIS MORNING INCREASING TO 4000 FT AGL BY EARLY AFTERNOON. TRANSPORT WINDS.....LIGHT WINDS BECOMING NORTH TO NORTHEAST 8-13 MPH IN THE AFTERNOON. TEMPERATURE HUMIDITY 20-FT WIND (MPH) 0800 25 85 NE 2-4 1000 32 75 SW 2-4 1200 41 55 NE 3-5 1400 45 41 NE 4-7 1600 46 38 NE 5-8 1800 43 43 NE-E 4-6 .TONIGHT... MIN TEMPERATURE.....26. MAX HUMIDITY........81 PERCENT. WIND (20 FT)........NORTHEAST TO EAST WINDS 4-7 MPH BECOMING DRAINAGE (NORTHEAST) 2-5 MPH BY 2000. .WEDNESDAY... MAX TEMPERATURE.....47. MIN HUMIDITY........40 PERCENT. WIND (20 FT)........DRAINAGE (NORTHEAST) WINDS 2-4 MPH BECOMING SOUTH TO SOUTHWEST 2-5 MPH...THEN BECOMING SOUTHWEST 5-9 MPH. $$ FORECASTER...GKH REQUESTED BY...BRYAN TAYLOR TYPE OF REQUEST...PRESCRIBED .TAG 20111025.SIMON.01/PDT