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Tim Chuey Weather

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

The Wildfire Season Has Really Fired Up.

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Here is my weekly weather quiz question. What are “Flashboards?” 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 High Pressure Ridge (Shaded “Arch” shape formed by arrows) will weaken just a bit to allow a upper level low in Canada to slide southward into Washington.  The dome of high pressure will strengthen again keeping us in the 90s for a while yet. The graphics for days 3-7  show no major frontal systems heading our way Monday through next Friday, but surface thermal trough (L with dashed lines) along with the upper ridge will help keep the heat turned up).

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 32 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 35 in the Good category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 25 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

  • AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM MIDDAY SUNDAY THROUGH MONDAY EVENING FOR THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANCE OF WESTERN OREGON, THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE UPPER HOOD RIVER VALLEY.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL FURTHER NOTICE FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, JACKSON 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. WILDFIRE SMOKE AND AND OZONE POLLUTION WILL COMBINE TO CAUSE AIR QUALITY TO FLUCTUATE AND COULD BE UNHEALTHY FOR SENSITIVE GROUPS. LIMIT OUTDOOR ACTIVITIES, ESPECIALLY DURING THE HOTTEST TIME OF THE DAY AND KEEP CHILDREN INDOORS IF IT IS SMOKY.

HEALTH ADVISORIES:

  • A RECREATIONAL 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 ODEL LAKE, LOCATED 75 MILES SOUTHEAST OF EUGENE OFF HIGHWAY 58 IN LANE 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 LIFTED FOR ALL OF LAKE BILLY CHINOOK. THE LAKE IS LOCATED ABOUT 12 MILES WEST OF MADRAS, OREGON. WATER MONITORING HAS CONFIRMED THE CYANOBACTERIA AND THE TOXINS THEY PRODUCE ARE NOW BELOW RECREATIONAL VALUES FOR HUMAN EXPOSURE IN THE METOLIUS, DESCHUTES, AND CROCKED RIVER ARMS OF LAKE BILLY CHINOOK. 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 DETROIT LAKE, LOCATED 46 MILES SOUTHEAST OF SALEM.  THE LAKE SPANS BOTH LINN AND MARION COUNTIES. 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:

  • Sunny and a bit cooler, but still hot today, clear tonight,
  • Sunny Saturday, clear at night,
  • Sunny and a bit warmer again with patchy smoke Sunday, then partly cloudy Sunday night.
  • highs 92-95 lows near 52-54.
  • Some AM clouds, mostly sunny and a bit cooler Monday, mostly clear at night,
  • Mostly sunny Tuesday, mostly clear in the evening, mostly cloudy Tuesday night and Wednesday AM, mostly sunny and a bit cooler in the afternoon, mostly clear in the evening, mostly cloudy late Wednesday night,
  • A mix of clouds and sun Thursday AM, then mostly sunny and a bit cooler in the afternoon.
  • highs 88-83 lows 54-52. (seasonal averages high 84 low 52)

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Eugene-Springfield Pollen Count

Grass………. Moderate (9)
Trees………. Low (2)
Last Counted: 7/20/18
Data Courtesy of Oregon Allergy Associates

Note: The Grass Pollen Season is just about over. Pollen counts will be shown until the numbers drop off, but updates will be less frequent.

 

 

 

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Forecast for Roseburg:

  • Sunny and a bit cooler today, clear tonight,
  • Sunny with haze and a bit warmer Saturday afternoon, clear and hazy Saturday night,
  • Sunny and hazy and a bit cooler Sunday, then clear and hazy at night.
  • highs 92-95 lows 56-60.
  • Sunny and hazy and a bit cooler Monday, mostly clear Monday night,
  • Sunny and a bit cooler Tuesday, clear at night,
  • Then mostly sunny and a bit cooler Wednesday and Thursday, mostly clear Wednesday night.
  • highs 92-84 lows 59-56. (seasonal averages high 86 low 57)

 

 

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

  • Mostly cloudy with areas of fog this AM, sunny this afternoon, clear this evening, mostly cloudy with areas of fog late tonight and Saturday AM, sunny in the afternoon, mostly cloudy at the shore at night while clear in the evening inland and partly cloudy inland late at night,
  • AM clouds with areas of fog, sunny and a bit cooler Sunday afternoon, then mostly clear Sunday night.
  • highs near 66 lows near 53.
  • Mostly sunny Monday through Thursday, mostly clear each night.
  • highs near 66 lows near 54. (seasonal averages high 65 low 53)

 

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Forecast for the Cascades in Lane County:

  • Sunny and a bit cooler Friday, clear at night,
  • Sunny with areas of smoke and a bit warmer Saturday afternoon, clear with  areas of smoke Saturday night,
  • Mostly sunny and a bit warmer with areas of smoke Sunday, then mostly clear with areas of smoke at night.
  • free air freezing level 15,000 ft. today through Saturday, 16,000 ft. Saturday night through Sunday night.
  • highs 82-85 lows 50-55.
  • Some AM clouds, mostly sunny and a bit cooler with areas of smoke Monday afternoon, areas of evening smoke, mostly clear at night,
  • Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
  • Then mostly sunny and a bit cooler Wednesday and Thursday, mostly clear Wednesday night.
  • free air freezing level 16,000 ft. Monday through Tuesday night, 16,000 ft. falling to 15,000 ft. Wednesday, 15,000 ft. Wednesday night, then 15,000 ft. rising to 16,000 ft. Thursday.
  • highs 80-74 lows 52-48.

 

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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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