FNUS76 KPQR 141836 FWSPQR SPOT FORECAST FOR VIEW LAKE COMPLEX...USFS CLACKAMAS RIVER RANGER DISTRICT NATIONAL WEATHER SERVICE PORTLAND OR 1136 AM PDT TUE SEP 14 2010 FORECAST IS BASED ON REQUEST TIME OF 1049 PDT ON SEPTEMBER 14. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK UPPER LEVEL RIDGE IS BUILDING INTO OREGON TODAY...YIELDING SEASONABLE TEMPERATURES FOR THE FIRE AREA. A FAIRLY DEEP MARINE LAYER CONTINUES TO RESULT IN LOW CLOUDS BANKING AGAINST THE CASCADE FOOTHILLS...BUT THE MARINE LAYER IS NOT QUITE DEEP ENOUGH TO AFFECT THE HIGHER CASCADES DIRECTLY. WINDS TODAY AND WEDNESDAY WILL BE LARGELY TERRAIN DRIVEN DUE TO THE LACK OF ANY SIGNIFICANT LARGE SCALE PRESSURE GRADIENTS. A PACIFIC FRONTAL SYSTEM IS DEVELOPING OFFSHORE...AND WILL SLOWLY APPROACH THE COAST WEDNESDAY. RAIN WILL BE POSSIBLE ALONG THE COAST BY WEDNESDAY AFTERNOON...THEN SPREAD SLOWLY INLAND OVERNIGHT WEDNESDAY AND THURSDAY MORNING. A LARGE UPPER LEVEL LOW WILL LINGER OFF THE COAST THROUGH THE WEEKEND...PUSHING A SERIES OF WET DISTURBANCES ONSHORE THROUGH SUNDAY. ALTHOUGH THE TIMING OF EACH DISTURBANCE IS UNCERTAIN...THERE IS A GOOD DEGREE OF CONFIDENCE WETTING RAINS WILL ACCUMULATE OVER THE FIRE AREA BY THE END OF THE WEEKEND. CHANCE OF WETTING RAIN (CWR) 0.25 INCHES OR GREATER. FORECAST WINDS ARE 10 MINUTE AVERAGES 20 FT ABOVE VEGETATION. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. CWR (%).............0 PERCENT. MAX TEMPERATURE.....82-85 AT FIRE RAWS 35. MIN HUMIDITY........25-28 PERCENT. WIND (20 FT)........UPSLOPE/UPVALLEY 2-6 MPH. GUSTS TO 10 MPH IN THE AFTERNOON. NOTE: SINCE SHELTERING AND FUELS LIKELY VARY THROUGHOUT THE FIRE AREA...PLEASE REFER TO THE APPROPRIATE CONVERSION FACTORS TO TRANSLATE WIND TO EYE LEVEL. THANK YOU. TIME (PDT) NOON 2 PM 4 PM 6 PM TEMP............77 82 84 76 RH..............45 35 28 40 20 FT WIND......N 2 NNW 3 NNW 5 NNE 3 MAX GUST.....5 10 10 5 NOTE: WINDS FORECAST IN TABLE ARE FOR FIRE RAWS 35. .TONIGHT... SKY/WEATHER.........MAINLY CLEAR...A FEW CLOUDS DEVELOPING AFTER MIDNIGHT. CWR (%).............0 PERCENT. MIN TEMPERATURE.....AROUND 40. MAX HUMIDITY........90-100 PERCENT. WIND (20 FT)........DOWNSLOPE/DRAINAGE 0-3 MPH. .WEDNESDAY... SKY/WEATHER.........INCREASING CLOUDS. A SLIGHT CHANCE OF RAIN LATE. CWR (%).............LESS THAN 5 PERCENT. MAX TEMPERATURE.....75-78. MIN HUMIDITY........AROUND 35 PERCENT. WIND (20 FT)........UPSLOPE/UPVALLEY 2-6 MPH...EXCEPT BECOMING SOUTHWEST 5-10 MPH WITH GUSTS TO 15 MPH ON THE RIDGETOPS DURING THE AFTERNOON. .WEDNESDAY NIGHT... SKY/WEATHER.........RAIN BECOMING LIKELY. CWR (%).............20 PERCENT. MIN TEMPERATURE.....AROUND 45. MIN HUMIDITY........NEAR 100 PERCENT. WIND (20 FT)........DRAINAGE 0-3 MPH...EXCEPT SOUTH TO SOUTHWEST 4-8 MPH WITH GUSTS TO 15 MPH ON RIDGES. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. RAIN LIKELY. CWR (%).............30 PERCENT. MAX TEMPERATURE.....AROUND 65. MIN HUMIDITY........60-70 PERCENT. WIND (20 FT)........GENERALLY LIGHT WIND...EXCEPT SOUTH 3-6 MPH EXPOSED RIDGES. .EXTENDED... .FRIDAY THROUGH SUNDAY...MOSTLY CLOUDY WITH RAIN AT TIMES. LOWS IN THE 40S. HIGHS IN THE UPPER 50S TO MID 60S. MINIMUM RH EACH DAY 60 TO 70 PERCENT. GENERAL SOUTH TO SOUTHWEST WIND 5 TO 10 MPH... WITH GUSTS 15-20 MPH ON RIDGETOPS AT TIMES. .OUTLOOK FOR MONDAY AND TUESDAY...LONGER RANGE MODELS SUGGEST THERE MAY BE A BIT OF A DRYING TREND MONDAY AND TUESDAY...WITH TEMPERATURES WARMING BACK UP TO NEAR NORMAL. HOWEVER DUE TO MODEL FLUCTUATION AND UNCERTAINTY...CONFIDENCE IN THIS TREND IS ONLY LOW TO MODERATE. AT THIS POINT IT APPEARS WE CAN EXPECT PARTLY CLOUDY SKIES WITH LOWS IN THE 40S AND HIGHS REBOUNDING BACK INTO THE 70S MONDAY AND TUESDAY. $$ FORECASTER...WEAGLE REQUESTED BY...MATT WILLS REASON FOR REQUEST...WILDFIRE .TAG 20100914.VIEWL.01/PQR