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Tim Chuey Weather

Check out my latest Eugene Daily News Weather Or Not column

My Favorite Christmas Hymn. Is It Your Favorite Too?

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Here is my weekly weather quiz question for the last time. What is a “Continental Air Mass?” Here is the correct answer. A Continental Air Mass is a dry air mass originating over a large land area. Contrast with tropical air mass. I’ll have a new weekly weather quiz question for you starting Monday. The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs.  Good luck.

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Upper Level High Pressure (Shaded “Arch” shape with blue arrows) continues sending us waves of moisture and cooler air. The graphics for days days 1-3 show the set up of the next frontal system moving toward the Pacific Northwest. The graphics for days 3-7 show a break from major frontal systems into the end of next week until a storm moves in next Sunday.

NOTE: Hoodoo Ski Area is open and Mt. Ashland Ski area is open for sledding. Not enough snow yet at Willamette Pass Ski Area.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 7 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 29 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 13 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Home Wood Heating Advisory:

(Posted Daily)

Eugene-Springfield: GREEN – Burning Is Allowed.

Oakridge:  YELLOW – Caution is Advised.

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

Data courtesy of Lane Regional Air Protection Agency

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Advisories:

  • AN AIR STAGNATION ADVISORY IS IN EFFECT FROM 6 PM TODAY UNTIL NOON TUESDAY FOR THE SOUTH CENTRAL OREGON COAST, CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JOSEPHINE COUNTY THE EASTERN DOUGLAS COUNTY FOOTHILLS, JACKSON COUNTY, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.
  • A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE  RIVER.

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

  • Partly cloudy and colder with areas of fog and freezing fog tonight and Sunday AM, partly cloudy and cooler Sunday afternoon, partly cloudy in the evening, mostly cloudy with areas of fog and freezing fog late at night (New Year’s Eve),
  • Areas of morning fog and freezing fog, a mix of clouds and sun and a bit warmer Monday afternoon (New Year’s Day), partly cloudy in the evening, mostly cloudy with areas of fog and freezing fog late Monday night and Tuesday AM, mostly cloudy and a bit warmer in the afternoon, then mostly cloudy with a slight (20%) chance of rain Tuesday night.
  • lows 29-34 highs 42-45.
  • Mostly cloudy and a bit warmer and a slight chance of  rain Wednesday, a (40%) chance rain at night,
  • Cloudy and a bit warmer with a good (50%) chance of rain Thursday through Saturday,
  • highs 46-48 lows near 36.  (seasonal averages high 45 low 34)

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Forecast for Roseburg:

  • Partly cloudy with areas of fog late tonight and Sunday AM, mostly cloudy and a bit cooler in the afternoon, areas of fog late Sunday night (New Year’s Eve) and Monday AM, mostly cloudy and a bit cooler with patchy fog Monday afternoon (New Year’s Day), patchy fog late at night,
  • Mostly cloudy with patchy AM and late night fog, then a bit warmer with lingering fog Tuesday afternoon and mostly cloudy Tuesday night.
  • lows 38-42 highs 48-45 warming back to 48 Tuesday.
  • Mostly cloudy with patchy AM and late night fog, then a bit warmer with lingering fog Wednesday afternoon through Thursday, then mostly cloudy with a (30%) chance of rain and a bit cooler Thursday night through Saturday.
  • highs 54-50 lows 44-39. (seasonal averages high 48 low 36)

 

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Forecast for The South Oregon Coast Including Coos Bay and North Bend:

  • Partly cloudy and cooler with areas of fog late tonight and Sunday AM, mostly cloudy and a bit cooler with patchy inland afternoon fog, fog late at night (New Year’s Eve) and Monday AM, mostly cloudy and a bit warmer Monday  afternoon (New Year’s Day), patchy fog late at night,
  • Patchy AM fog, mostly cloudy and a bit warmer Tuesday, patchy fog with a slight (20%) chance of showers late at night.
  • lows 40-45 cooling to 42 Monday night warming to 44 Tuesday night highs 54-57.
  • Patchy AM fog, mostly cloudy and a bit warmer Wednesday, mostly cloudy with a (30%) chance of rain Wednesday night through Thursday night,
  • Mostly cloudy with a (40%) chance of rain Friday and Friday night,
  • Then a bit cooler with a (30%) chance of rain Saturday.
  • highs 58-55 lows 48-42. (seasonal averages high 51 low 40)

 

 

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Forecast for the Cascades in Lane County:

  • Partly cloudy tonight through Sunday night (New Year’s Eve),
  • A mix of clouds and sun and a bit warmer Monday (New Year’s Day), partly cloudy in the evening, mostly cloudy late Monday night and Tuesday, then mostly cloudy with a slight (20%) chance of rain at night.
  • free air freezing level 4,500 ft. falling to 4,000 ft. tonight, 4,000 ft. rising to 6,500 ft. Sunday afternoon, 7,500 ft. Sunday night, 7,000 ft. rising to 7,500 ft. Monday afternoon, 8,000 ft. Monday night, 8,000 ft. rising to 9,000 ft. Tuesday, then snow level 8,000 ft. Tuesday night.
  • lows 25-32 highs 38-42.
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Wednesday, mostly cloudy with a good (50%) chance of rain Wednesday night and Thursday, a (40%) chance of rain Thursday night,
  • Mostly cloudy with a good (50%) chance of rain Friday and Friday night,
  • Then a good (50%) chance of rain and snow and a bit cooler Saturday.
  • snow level 8,000 ft. Wednesday and Wednesday night, 7,500 ft. Thursday, 7,000 ft. Thursday night and Friday, 6,500 ft. Friday night, then 5,500 ft. Saturday.
  • highs 40-38 lows 32-29.

 

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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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