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Tim Chuey Weather

Check out my latest Eugene Daily News Weather Or Not column:

Seeing Is Believing?

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Here is my weekly weather quiz question. What is the “Fujiwhara Effect?”  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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An Upper Level Low Pressure Trough (Shaded “U” shape formed by arrows) sitting over Southwestern Canada and the Pacific Northwest continues to give us onshore airflow which has cooled us off and cleared the air. The graphics for days days 1-3 show a weak front moving through today bringing lots of clouds and cooler temperatures. Another front pushes through Saturday. The graphics for days 3-7  show a weak front approaching the Pacific Northwest Monday.

Note: Air quality deteriorated seriously early Tuesday morning and somewhat this morning particularly in the South Hills of Eugene here the haze was visible and smoke could be smelled. There is sure to be more smoke coming our way at times in the future until the fires are gone.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 34 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 36 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 37 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL FURTHER NOTICE FOR THE SOUTH CENTRAL OREGON COAST, THE CURRY COUNTY COAST, EASTERN CURRY COUNTY, JOSEPHINE COUNTY, JACKSON COUNTY, THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE KLAMATH BASIN, NIORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL, AND EASTERN LAKE COUNTY.

HEALTH ADVISORIES:

  • A RECREATIONAL USE HEALTH ADVISORY HAS BEEN ISSUED FOR WATER CONTACT AT AGATE BEACH AND NYE BEACH LOCATED IN LINCOLN COUNTY.   WATER MONITORING HAS CONFIRMED HIGHER-THAN-NORMAL LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT BOTH BEACHES,  WHICH CAN CAUSE DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS AND OTHER ILLNESSES.  PEOPLE SHOULD AVOID DIRECT CONTACT WITH THE WATER IN THIS AREA UNTIL THE ADVISORY IS LIFTED. THIS APPLIES ESPECIALLY TO CHILDREN AND THE ELDERLY, WHO MAY BE MORE VULNERABLE TO WATERBORN BACTERIA. VISITORS SHOULD AVOID WADING IN NEARBY CREEKS, POOLS OF WATER ON THE BEACH, OR IN  DISCOLORED WATER, AND STAY CLEAR OF WATER RUNNOFF FLOWING INTO THE OCEAN. EVEN IF THERE IS NO ADVISORY IN EFFECT, OFFICIALS RECOMMEND AVOIDING SWIMMING IN THE OCEAN WITHIN 48 HOURS AFTER A RAINSTORM. OTHER BEACH ACTIVITIES ARE SAFE TO ENJOY.
  • A RECREATIONAL USE HEALTH ADVISORY HAS BEEN ISSUED FOR CULLABY, LOCATED JUST OFF OF HIGHWAY 101 BETWEEN ASTORIA AND SEASIDE IN CLATSOP COUNTY.   WATER MONITORING HAS CONFIRMED THE CYANOBACTERIA AND THE TOXINS THEY PRODUCE IN CULLABY LAKE. THE CYNOTOXIN CONCENTRATIONS FOUND CAN BE HARMFUL TO HUMANS AND ANIMALS. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES LIKE WATER SKIING OR POWER BOATING IN AREAS OF THE LAKE WHERE CYNOTOXINS ARE IDENTIFIED. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN  SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH AT THE AFFECTED AREA. DRINKING WATER DIRECTLY FROM THE LAKE IS ESPECIALLY DANGEROUS TOXINS CANNOT BE REMOVED BY ANY TECHNIQUE. DRINKING WATER DIRECTLY FROM CULLABY LAKE AT THIS TIME IS ESPECIALLY DANGEROUS.
  • A PUBLIC HEALTH ADVISORY IS IN EFFECT FOR HIGHER-THAN-NORMAL LEVELS OF BACTERIA IN OCEAN WATERS AT SEAL ROCK STATE PARK BEACH, LOCATED IN LINCOLN COUNTY. WATER SAMPLES INDICATE HIGHER-THAN-NORMAL LEVELS OF FECAL BACTERIA, WHICH CAN CAUSE DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS AND OTHER ILLNESSES. PEOPLE SHOULD AVOID DIRECT CONTACT WITH THE WATER IN THIS AREA UNTIL THE ADVISORY IS LIFTED. THIS APPLIES ESPECIALLY TO CHILDREN AND THE ELDERLY, WHO MAY BE MORE VULNERABLE TO WATERBORN BACTERIA. WHILE THIS ADVISORY IS IN EFFECT AT SEAL ROCK STATE PARK BEACH, VISITORS SHOULD AVOID WADING IN NEARBY CREEKS, POOLS OF WATER ON THE BEACH, OR IN  DISCOLORED WATER, AND STAY CLEAR OF WATER RUNNOFF FLOWING INTO THE OCEAN. EVEN IF THERE IS NO ADVISORY IN EFFECT, OFFICIALS RECOMMEND AVOIDING SWIMMING IN THE OCEAN WITHIN 48 HOURS AFTER A RAINSTORM. OTHER BEACH ACTIVITIES ARE SAFE TO ENJOY.
  • A RECREATIONAL USE HEALTH ADVISORY HAS BEEN LIFTED FOR THE WILLAMETTE RIVER’S ROSS ISLAND LAGOON LOCATED ABOUT 1 MILE SOUTH OF DOWNTOWN PORTLAND IN MULTNOMAH COUNTY.
  • A RECREATIONAL USE HEALTH ADVISORY HAS BEEN ISSUED FOR WILLOW CREEK RESERVOIR, LOCATED JUST EAST OF THE TOWN OF HEPNER IN MORROW COUNTY.   WATER MONITORING HAS CONFIRMED THE CYANOBACTERIA AND THE TOXINS THEY PRODUCE ARE ABOVE RECREATIONAL VALUES FOR HUMAN EXPOSURE. THE CYNOTOXIN CONCENTRATIONS FOUND CAN BE HARMFUL TO HUMANS AND ANIMALS. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES LIKE WATER SKIING OR POWER BOATING IN AREAS OF THE LAKE WHERE CYNOTOXINS ARE IDENTIFIED. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN  SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH AT THE AFFECTED AREA. DRINKING WATER DIRECTLY FROM THE LAKE IS ESPECIALLY DANGEROUS TOXINS CANNOT BE REMOVED BY ANY TECHNIQUE.
  • A RECREATIONAL HEALTH ADVISORY HAS BEEN ISSUED FOR UPPER KLAMATH LAKE, LOCATED OFF ROUTE 140, 15 MILES WEST OF KLAMATH FALLS IN KLAMATH COUNTY.  WATER MONITORING HAS CONFIRMED THE CYANOBACTERIA AND THE TOXINS THEY PRODUCE ARE ABOVE RECREATIONAL VALUES FOR HUMAN EXPOSURE. THE CYNOTOXIN CONCENTRATIONS FOUND CAN BE HARMFUL TO HUMANS AND ANIMALS. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER ACTIVITIES LIKE WATER SKIING OR POWER BOATING IN AREAS OF THE LAKE WHERE CYNOTOXINS ARE IDENTIFIED. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN  SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH AT THE AFFECTED AREA. DRINKING WATER DIRECTLY FROM THE LAKE IS ESPECIALLY DANGEROUS TOXINS CANNOT BE REMOVED BY ANY TECHNIQUE.
  • 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:

  • Mostly cloudy and cooler today, partly cloudy tonight,
  • AM clouds, mostly sunny and a bit warmer Friday afternoon, clear Friday night,
  • Mostly sunny and a bit warmer Saturday, clear in the evening, then partly cloudy late at night.
  • highs 75-80 lows 53-48.
  • Partly cloudy and a bit cooler Sunday and Sunday night,
  • Some AM clouds, mostly sunny Monday (Labor Day), mostly clear at night,
  • Mostly sunny Tuesday AM, partly cloudy and a bit warmer in the afternoon, mostly clear Tuesday night,
  • Then sunny Wednesday.
  • highs 79-82 lows 52-50. (seasonal averages high 81 low 50)

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Your College Football Forecast

Saturday September 1st: Ducks vs Bowling Green at Autzen Stadium – Kickoff: 5 pm – Mostly sunny 78 degrees and cooling as the game progresses.

Beavers vs Ohio State at Ohio Stadium Columbus, Ohio – Kickoff: 9 am – Partly cloudy 70 degrees warming as the game progresses to the upper 70s to near 80.

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Forecast for Roseburg:

  • Mostly cloudy with patchy smoke and a slight (20%) chance of showers this AM, just mostly cloudy this afternoon and tonight,
  • AM clouds, mostly sunny and a bit warmer with areas of smoke Friday afternoon, clear with areas of smoke at night,
  • Sunny and slightly warmer Saturday, clear Saturday night.
  • highs 78-83 lows 55-52.
  • Sunny with areas of smoke Sunday, clear with areas of smoke Sunday night,
  • Sunny and a bit warmer with areas of smoke Monday (Labor Day), partly cloudy with areas of smoke at night,
  • Partly cloudy and a bit warmer with areas of smoke Tuesday, partly cloudy Tuesday night,
  • Then sunny and a bit warmer Wednesday.
  • highs 83-87 lows 55-52 warming back to 55 Monday night. (seasonal averages high 83 low 54)

 

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

  • AM clouds with patchy fog and occasional coastal drizzle and just mostly cloudy and a bit warmer this afternoon while mostly cloudy and a bit warmer with a slight (20%) chance of inland showers today, mostly cloudy tonight,
  • AM clouds, sunny Friday afternoon, mostly clear Friday night,
  • Mostly sunny Saturday, mostly clear at night.
  • highs near 66 lows 55-52.
  • Mostly sunny and slightly warmer Sunday and Monday (Labor Day), mostly both nights,
  • Then mostly sunny Tuesday and Wednesday, mostly clear Tuesday night.
  • highs near 67 lows near 53-50. (seasonal averages high 66 low 52)

 

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Forecast for the Cascades in Lane County:

  • A mix of clouds and sun and a bit warmer today, partly cloudy tonight,
  • Some AM clouds, mostly sunny and a bit warmer Friday, clear at night,
  • Mostly sunny and a bit warmer Saturday, then mostly clear Saturday night.
  • free air freezing level 13,000 ft. falling to 12,000 ft. today, 12,000 ft. tonight, 13,000 ft. Friday, 13,000 ft. rising to 14,00 ft. Friday night, then 14,000 ft. rising to 15,000 ft. Saturday, then 15,000 ft. falling to 14,000 ft. Saturday night.
  • highs 64-69 lows 43-40.
  • AM sun, partly cloudy Sunday afternoon and at night,
  • Mostly sunny Monday (Labor Day), mostly clear at night,
  • AM sun, partly cloudy and a bit warmer Tuesday, partly cloudy Tuesday night,
  • Then mostly sunny and slightly warmer Wednesday.
  • free air freezing level 14,000 ft. Sunday through Wednesday.
  • highs 69-73 lows 42-45.

 

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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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