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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 new 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 a northerly airflow which has cooled us off and cleared the air. Our air quality is back to normal, but with wildfires still scattered over the state the haze and smoke will return. The graphics for days 3-7  show a frontal system moving into and through the Pacific Northwest between Wednesday and Thursday and another approaching Oregon Saturday night and next Sunday.

 

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 19 in the Good category measuring Ozone.

Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 20 in the Good category measuring Ozone.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 5 PM TODAY FOR JACKSON COUNTY AND  CENTRAL, AND EASTERN LAKE COUNTY.
  • 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,  THE SOUTH CENTRAL OREGON CASCADES, THE SOUTHERN OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN LAKE COUNTY.

HEALTH ADVISORIES:

  • 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:

  • Clear tonight,
  • Sunny hot Tuesday, clear at night,
  • Sunny and a bit cooler Wednesday, partly cloudy Wednesday night,
  • A mix of clouds and sun and a bit cooler Thursday, then partly cloudy at night.
  • lows 50-53 cooling back to 50 highs 90-76.
  • Partly cloudy in the AM, mostly sunny and a bit warmer Friday afternoon, mostly clear at night,
  • Mostly sunny Saturday, partly cloudy Saturday night,
  • Partly cloudy and a bit cooler Sunday and at night,
  • Then party cloudy and a bit warmer Monday (Labor Day).
  • highs 79-77 warming back to 79 Monday lows 52-50. (seasonal averages high 81 low 50)

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Eugene-Springfield Pollen Count

Grass………. Low (3)
Trees………. Low (0)
Last Counted: 8/22/18
Data Courtesy of Oregon Allergy Associates

Note: The Grass & Tree Pollen Season is all but over. Pollen count updates will be less frequent.

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Forecast for Roseburg:

  • Clear tonight,
  • Sunny and warmer Tuesday, clear Tuesday night,
  • Sunny and a bit cooler Wednesday, mostly clear at night,
  • Partly cloudy and a bit cooler Thursday and Thursday night.
  • lows near 55 highs 93-82.
  • Mostly sunny Friday, mostly clear Friday night,
  • Mostly sunny and a bit warmer Saturday, mostly clear at night,
  • Mostly sunny and a bit cooler Sunday and Monday (Labor Day), mostly clear Sunday night.
  • highs 82-84 cooling to 80 Monday lows near 52. (seasonal averages high 83 low 54)

 

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

  • Clear tonight,
  • Sunny Tuesday, clear in the evening at the shore and mostly cloudy with areas of coastal fog and drizzle late at night while clear inland Tuesday night,
  • AM clouds with areas of coastal fog and patchy drizzle, mostly sunny and a bit cooler Wednesday afternoon, partly cloudy in the evening, mostly cloudy at night,
  • AM clouds, partly cloudy Thursday afternoon, then partly cloudy Thursday night.
  • lows near 54 highs near 68-66.
  • Partly cloudy Friday, mostly clear Friday night,
  • Mostly sunny Saturday, mostly clear at night,
  • Partly cloudy Sunday AM, sunny in the afternoon, mostly clear Sunday,
  • Then mostly sunny Monday (Labor Day).
  • highs near 66 lows near 55-52. (seasonal averages high 66 low 52)

 

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Forecast for the Cascades in Lane County:

  • Clear tonight,
  • Mostly sunny and a bit warmer with areas of smoke Tuesday, clear Tuesday night,
  • Sunny and a bit cooler Wednesday, mostly clear and a bit cooler at night,
  • Mostly sunny and a bit cooler Thursday, then partly cloudy Thursday night.
  • free air freezing level 13,000 ft. rising to 14,000 ft. late tonight, 15,000 ft. Tuesday and Tuesday night, 14,000 ft. Wednesday, 14,000 ft. falling to 13,000 ft. Wednesday night, 13,000 ft. falling to 12,000 ft. Thursday, then 12,000 ft. rising to 13,000 ft. Thursday night.
  • lows 42-44 highs 75-65.
  • Some AM clouds, mostly sunny and a bit warmer Friday, mostly clear at night,
  • Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Mostly sunny and a bit cooler Sunday, then partly cloudy Sunday night and Monday (Labor Day).
  • free air freezing level 13,000 ft. Friday, 13,000 ft. rising to 14,00 ft. Friday night, 14,000 ft. Saturday and Saturday night, 14,000 ft. falling to 13,000 ft. Sunday, then 13,000 ft. Sunday night and Monday.
  • highs 66-68 lows near 43.

 

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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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