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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 new weekly weather quiz question. What is a “Foehn?” 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) has strengthened again keeping us in the 90s for a while yet. The graphics for days 3-7  show no major frontal systems heading our way Thursday through Sunday, but surface thermal trough (L with dashed lines) along with the upper ridge will help keep the heat turned up. By next Monday there will be a frontal system approaching the coast.

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Air Quality Index:

Eugene/Springfield: The Air Quality Index is 28 in the Good category measuring Particulate Matter.

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

Cottage Grove: The Air Quality Index is 26 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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ADVISORIES:

  • AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 11 AM TODAY UNTIL 11 PM TUESDAY FOR THE EASTERN COLUMBIA RIVER GORGE, THE LOWER COLUMBIA BASIN OF OREGON, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE WESTERN COLUMBIA RIVER GORGE, THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN OREGON CASCADE FOOTHILLS, AND THE UPPER HOOD RIVER VALLEY.
  • A HEAT ADVISORY IS IN EFFECT FROM 11 AM TODAY UNTIL 11 PM TUESDAY FOR THE GRAND RONDE VALLEY, WALLOWA COUNTY, THE NORTHERN BLUE MOUNTAINS OF OREGON, AND THE SOUTHERN BLUE MOUNTAINS OF OREGON.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL FURTHER NOTICE FOR 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 CONTINUES FOR PART OF DETROIT LAKE, LOCATED 46 MILES SOUTHEAST OF SALEM.  THE ADVISORY CONTINUES FOR THE AREA AROUND THE LOG BOOM, AND EXTENDS THROUGH BIG CLIFF LAKE. BIG CLIFF LAKE IS LOCATED ALONG OREGON ROUTE22 BELOW DETROIT DAM. 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 sunny and a bit cooler with haze areas of smoke today, mostly clear with haze and areas of smoke tonight,
  • Some AM clouds with haze and areas of smoke, mostly sunny and a bit cooler Tuesday afternoon, partly cloudy in the evening, mostly cloudy late Tuesday night,
  • Partly cloudy Wednesday AM, mostly sunny and a bit cooler in the afternoon, partly cloudy in the evening, mostly cloudy late at night.
  • highs 92-87 lows 55-52.
  • AM clouds and sun, mostly sunny and a bit cooler Thursday afternoon, partly cloudy at night,
  • Partly cloudy Friday and Friday night,
  • Partly cloudy and a bit warmer Saturday and Saturday night,
  • Then sunny and a bit warmer Sunday.
  • highs 82-84 lows 50-52. (seasonal averages high 84 low 52)

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Eugene-Springfield Pollen Count

Grass………. Low (3)
Trees………. Low (5)
Last Counted: 7/30/18
Data Courtesy of Oregon Allergy Associates

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

 

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Forecast for Roseburg:

  • Areas of AM smoke, sunny and hazy and a bit cooler with areas of smoke this afternoon, mostly clear and hazy with areas smoke of tonight,
  • AM haze, sunny with areas smoke Tuesday afternoon, mostly clear with areas of smoke at night and Wednesday AM, sunny and a bit cooler in the afternoon, then clear Wednesday night.
  • highs 94-88 lows 60-57.
  • Sunny and a bit cooler Thursday, mostly clear at night,
  • Mostly sunny and a bit warmer Friday and Saturday, mostly clear both nights,
  • AM sun, then partly cloudy and a bit cooler Sunday afternoon.
  • highs 84-87 cooling to 85 Sunday lows 55-57. (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 and a slight (20%)  chance of AM rain and drizzle, mostly cloudy and a bit cooler this afternoon, partly cloudy this evening at the shore, partly cloudy with a slight (20%) chance of rain and drizzle late tonight with patchy coastal fog late tonight,
  • Mostly cloudy with patchy AM coastal fog and a slight (20%) chance of rain and drizzle, partly cloudy and a bit warmer Tuesday afternoon at the shore while mostly sunny and a bit warmer inland Tuesday, mostly clear in the evening, mostly cloudy Tuesday night with patchy coastal fog late,
  • AM clouds and patchy fog, sunny Wednesday afternoon, mostly clear in the evening, partly cloudy late Wednesday night.
  • highs 63-66 lows near 55.
  • Mostly sunny Thursday, mostly clear at night,
  • Partly cloudy Friday AM, sunny in the afternoon, mostly clear Friday night,
  • Mostly sunny Saturday, partly cloudy at night,
  • Then partly cloudy and a bit warmer Sunday.
  • highs 65-67 lows near 53. (seasonal averages high 65 low 53)

 

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Forecast for the Cascades in Lane County:

  • Mostly sunny and hazy with areas of smoke today, mostly clear and hazy with areas of smoke tonight,
  • Mostly sunny and a bit cooler with haze and areas of smoke Tuesday, mostly clear at night,
  • Mostly sunny and a bit cooler Wednesday, then mostly clear Wednesday night.
  • free air freezing level 16,000 ft. today through Tuesday night, 16,000 ft. falling to 15,000 ft. Wednesday, then 15,000 ft. Wednesday night.
  • highs 84-76 lows 54-46.
  • Some AM clouds, mostly sunny and a bit cooler Thursday afternoon, partly cloudy at night,
  • Mostly sunny and a bit cooler Friday, mostly clear Friday night,
  • Mostly sunny Saturday, mostly clear at night,
  • Then mostly sunny but a bit cooler Sunday.
  • free air freezing level 15,000 ft. falling to 14,000 ft. Thursday, 14,000 ft. late Thursday night and Friday, 14,000 ft. falling to 13,000 ft. late Friday night, 13,000 ft. Saturday, 13,000 ft. rising to 14,000 ft. Saturday night, then 14,000 ft. falling to 13,000 ft. Sunday.
  • highs 74-72 lows near 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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