Here is my weekly weather quiz question. What is “a Parapet Wall?” 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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An upper level low (Shaded “U” shape with blue arrows) will be in control of our weather for a while. A  frontal system moved into the Pacific Northwest bringing rain and wind.  yet another frontal system moves in Saturday and continuing the parade of storms a frontal system will approach the coast Monday.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 8 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 11 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 12 in the Good category measuring Particulate Matter.

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

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Advisories:

• A FREEZING RAIN ADVISORY IS IN EFFECT UNTIL 7 PM THIS EVENING FOR THE UPPER HOOD RIVER VALLEY.
• A WIND ADVISORY IS IN EFFECT UNTIL 7 PM TONIGHT FOR THE LOWER COLUMBIA AND THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, AND THE SOUTH WILLAMETTE VALLEY.
• A WIND ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE KLAMATH BASIN.
• A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM FRIDAY FOR THE EASTERN DOUGLAS COUNTY FOOTHILLS, THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, AND THE SISKIYOU MOUNTAINS.
• A WIND ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE KLAMATH BASIN.
• A HIGH WIND WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, EASTERN, AND CENTRAL LAKE COUNTY.
• 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.

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

• Rain and breezy this evening (Wind: S 15-25 mph gusts 35-45 mph this evening, S 10-20 later tonight) showers late tonight (0.25 in. of rain possible),
• Mostly cloudy and a bit cooler with AM showers likely (70%) Friday, a good (50%) chance of afternoon showers (0.10 in. of rain possible), a slight (20%) chance of evening showers, a slight (20%) chance of rain late Friday night (under 0.10 in. of rain possible),
• Cloudy and a bit warmer with a good (50%) chance of rain Saturday (under 0.10 in. of rain possible), rain likely (70%) Saturday night (0.30 in. of rain possible),
• Cloudy with AM rain, a good (50%) chance of rain and a bit cooler Sunday afternoon, then rain likely (70%) Sunday night.
• lows 43-40 warming to 45 Sunday night highs 52-55 cooling back to 52 Sunday.
• Mostly cloudy with rain likely (70%) Monday, a good (50%) chance of rain at night,
• Mostly cloudy with rain likely (70%) Tuesday, then rain Tuesday night through Wednesday night,
• Then rain likely (70%) and cooler Thursday.
• highs 52-55 cooling to 46 Thursday lows 50-44. (seasonal averages high 47 low 35)

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Home Wood Heating Advisory:

Eugene-Springfield: GREEN – Burning is allowed.

Oakridge: GREEN – Burning is allowed.

*Note: Pellet stoves may be used anytime if they produce no visible emissions.

Advisory Courtesy of Lane Regional Air Protection Agency (LRAPA).

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Forecast for Roseburg:

• Cloudy with increasing showers tonight (0.40 in. of rain possible),
• Mostly cloudy with AM showers, scattered showers Friday and a bit cooler Friday afternoon (under 0.10 in. of rain possible, snow level 3,000 ft.), just mostly cloudy Friday night,
• Mostly cloudy and a bit warmer with a slight (20%) chance of rain Saturday, cloudy with a good (50%) chance of rain in the evening, rain likely (60%) late Saturday night  (0.20 in. of rain possible),
• AM rain, then mostly cloudy with rain likely (70%) Sunday afternoon and at night.
• lows 42-46 highs 50-54.
• Cloudy with rain likely (70%) Monday, mostly cloudy with a (30%) chance of rain Monday night,
• Cloudy and just a bit warmer with rain likely (70%) Tuesday,  a good (50%) chance of evening showers, rain likely (70%) Tuesday night,
• Mostly cloudy and a bit cooler with rain Wednesday, showers likely (70%) at night,
• Then rain likely (70%) and cooler Thursday.
• highs 54-57 cooling to 48 Thursday lows 46-50 cooling to 49 Wednesday night. (seasonal averages high 48 low 37)

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

• Cloudy with showers and a slight (20%) chance of isolated thunderstorms tonight (0.35 in. of rain possible, more possible in storms) and Friday AM, increasing afternoon showers (0.35 in. of rain possible), a slight (20%) chance of evening showers, a slight (20%) chance of rain (under 0.10 in. of rain possible) late Friday night, breezy (Wind: S 15-25 mph at the shore while S 10-15 mph inland.
• Mostly cloudy and a bit warmer with a (30%) chance of rain Saturday  (under 0.10 in. of rain possible) and windy (Wind: S 20-30 mph at the shore while S 15-20 mph inland), coastal rain while inland evening rain and rain likely (70%) inland late Saturday night (0.70 in. of rain possible), breezy at the shore (Wind: S 20-30 mph evening gusts to 45 mph)
• Mostly cloudy and a bit cooler with rain Sunday AM, then rain likely (70%) in the afternoon and Sunday night.
• lows 46-48 highs 52-58 cooling to 56 Sunday.
• Mostly cloudy with rain likely (70%) and breezy and a bit warmer Monday, a good (50%) chance of evening showers,  a good (50%) chance of rain late Monday night,
• Cloudy with rain likely (70%) Tuesday and Tuesday night,
• Mostly cloudy with rain Wednesday, showers likely (70%) at night,
• Then rain likely (60%) and cooler Thursday.
• highs 58-52 lows 50-52 cooling to 46 Wednesday night. (seasonal averages high 52 low 40).

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Forecast for the Cascades in Lane County:

• Mostly cloudy with rain and snow this evening, rain and snow showers and colder late  tonight (0.50 in. of rain possible, 2-5 in. of snow possible),
• Mostly cloudy and a bit cooler with rain and snow showers Friday (0.10 in. of rain possible, 1 in. of snow possible), a slight (20%) chance of evening rain and snow showers, a slight (20%) chance of rain and snow late Friday night and Saturday AM, a (40%) chance of rain and snow and a bit warmer Saturday afternoon, cloudy with a good (50%) chance of rain and snow Saturday night,
• Cloudy with AM rain and snow, a good (50%) chance of rain and snow and a bit cooler in the afternoon Sunday, mostly cloudy with a good (50%) chance of rain and snow Sunday night,
• snow level 4,000 ft. tonight, 3,500 ft. Friday and Friday night, 4,000 ft. rising to 5,000 ft. Saturday afternoon, 6,000 ft. Saturday night, 5,000 ft. Sunday, then 5,500 ft. Sunday night.
• lows 33-30 warming back to 33 Sunday night highs 36-40 cooling to 37 Sunday.
• Rain and snow likely (60%) and a bit warmer Monday, cloudy with a good (50%) chance of rain Monday night and Tuesday (a bit warmer), rain likely (70%) Tuesday night,
• Mostly cloudy with rain Wednesday, rain and snow likely (70%) at night and Thursday (cooler).
• snow level 5,500 ft. Monday, 7,000 ft. Monday night and Tuesday, then 8,000 ft. Tuesday night and Wednesday, 7,000 ft Wednesday night, then 5,500 ft. Thursday.
• highs 39-43 cooling to 32 Thursday lows 35-39 cooling to 29 Wednesday night.

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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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