Here is my weekly weather quiz question for the last time. What is “Deep Percolation Loss?” Here is the correct answer. Deep Percolation Loss in hydrologic terms, water that percolates downward through the soil beyond the reach of plant roots. I’ll have a new weekly weather quiz question for you starting Monday. Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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High pressure (“Arch” shape in blue arrows brings us sunshine and warmer temperatures for the beginning of the workweek. The slight chance of showers will return for one day Wednesday. You might want to look up this evening to see the “Super Moon Lunar Eclipse.” Here in the Pacific Northwest the moon will rise around 7 pm at which time the eclipse will be in totality and then continue to reveal the full Blood Moon when it is done. It’s called a Super Moon because it will look larger than normal due to its position relative to the earth.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 29 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 7 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 30 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA).

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Advisories:

• A HEALTH ADVISORY CONTINUES FOR SUNSET BAY STATE PARK BEACH LOCATED IN COOS COUNTY FOR HIGHER-THAN-NORMAL FECAL BACTERIA WHICH CAN RESULT IN DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS AND OTHER ILLNESSES. DIRECT CONTACT WITH THE WATER – ESPECIALLY BY CHILDREN AND THE ELDERLY, WHO MAY BE VULNERABLE TO WATERBORNE BACTERIA – SHOULD BE AVOIDED IN THIS AREA UNTIL THE ADVISORY IS LIFTED. VISITORS SHOULD AVOID WADING IN NEARBY CREEKS, POOLS OF WATER ON THE BEACH, OR IN DISCOLORED WATER AND STAY CLEAR OF WATER RUNOFF FLOWING INTO THE OCEAN.
• A HEALTH ADVISORY CONTINUES FOR UPPER KLAMATH LAKE AND AGENCY LAKE DOWN TO KENO DAM, LOCATED JUST NORTH OF KLAMATH FALLS ALONG HIGHWAY 97 IN KLAMATH COUNTY. WATER MONITORING BY THE USGS HAS CONFIRMED THE PRESENCE OF BLUE-GREEN ALGAE TOXINS WHICH CAN BE HARMFUL TO HUMANS AND ANIMALS. SWALLOWING, INHALING OR SKIN CONTACT WITH WATER DROPLETS SHOULD BE AVOIDED.

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Clear tonight,
• Sunny and warmer Monday, mostly clear Monday night,
• Patchy AM fog, partly cloudy Tuesday afternoon and evening, mostly cloudy at night,
• A mix of clouds and sun with a slight (20%) chance of showers and cooler Wednesday afternoon, partly cloudy with a slight (20%) chance of showers in the evening, then just mostly cloudy late Wednesday night.
• lows 38-49 highs 80-74.
• A mix of clouds and sun Thursday, partly cloudy with patchy fog late Thursday night and Friday AM, just partly cloudy in the afternoon and Friday night,
• A mix of clouds and sun Saturday, mostly cloudy in the evening, then partly cloudy late Saturday night and Sunday.
• highs 72-75 lows near 45. (seasonal averages high 73 low 44)
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Your College Football Forecast:

Saturday October 3rd:

Ducks vs Colorado at Folsom Field, Boulder, Colorado – Kickoff 7:00 PM PDT (8:00 PM MDT): Mostly cloudy near 60 and cooling through the 50s as the game progresses.

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Beavers have a BYE Week. Next game October 10th vs Arizona

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Forecast for the Umpqua Basin including Roseburg:

• Mostly clear tonight,
• Sunny Monday, mostly clear in the evening, partly cloudy late Monday night through Tuesday evening, mostly cloudy Tuesday night,
• Mostly cloudy with a slight (20%) chance of showers Wednesday and in the evening, then just mostly cloudy late Wednesday night.
• lows 47-52 highs 84-73.
• Mostly cloudy Thursday AM, then partly cloudy Thursday afternoon through Sunday.
• highs 76-79 cooling to 77 Saturday and Sunday lows near 50. (seasonal averages high 75 low 49)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Mostly clear tonight,
• Sunny Monday, mostly clear in the evening, mostly cloudy late Monday night and Tuesday AM, partly cloudy in the afternoon, mostly cloudy with a slight (20%) chance of showers coastal showers late Tuesday night,
• Mostly cloudy with a slight (20%) chance of showers Wednesday and in the evening, then just mostly cloudy late at night.
• lows 48-53 highs near 64.
• Mostly cloudy Thursday AM, then partly cloudy Thursday afternoon through Sunday.
• highs near 65 lows 52-49. (seasonal averages high 64 low 48).

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Forecast for the Cascades in Lane County:

• Mostly clear tonight,
• Patchy AM fog, mostly sunny and warmer Monday, mostly clear at night,
• Mostly sunny Tuesday AM, partly cloudy and a bit cooler in the afternoon and Tuesday night,
• A mix of clouds and sun with a slight (20%) chance of showers and cooler Wednesday afternoon, then partly cloudy with a slight (20%) chance of showers Wednesday night.
• free air freezing level 10,000 ft. tonight through Tuesday night, then snow level above 8,000 ft. Wednesday and Wednesday night.
• lows 37-40 cooling to 38 Wednesday night highs 70-63.
• Partly cloudy with a slight (20%) chance of showers Thursday AM, just partly cloudy in the afternoon through Friday, partly cloudy with a slight (20%) chance of showers Friday night through Sunday AM, then just partly cloudy Sunday night.
• snow level above 8,000 ft. Thursday, free air freezing level 11,000 ft. Thursday night, 12,000 ft. Friday, then snow level above 8,000 ft. Friday night through Sunday.
• highs 60-70 lows near 37-42.

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.

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