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Tim Chuey Weather

by | Sep 16, 2023 | Weather

September 17, 2023

Note: Weather is a constantly changing phenomenon and weather forecasting is a combination of science, experience, and intuition. The accuracy of any given forecast can chance due to unexpected changes in atmospheric conditions, so there are no guarantees the the actual weather will conform to the projected forecast.

ADVISORIES

  • AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE UNTIL 5 PM THIS EVENING FOR CURRY COUNTY AND JOSEPHINE COUNTY.

HEALTH ADVISORIES

  • A RECREATIONAL USE HEALTH ADVISORY HAS BEEN EXPANDED FOR THE AREA FROM THE ROSS ISLAND LAGOON TO RIVERPLACE MARINA IN MULTNOMAH COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE AND SLOUGH WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE AREA AND ENJOY ACTIVITIES SUCH AS CATCH AND RELEASE FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS. DRINKING WATER FROM THE LAKE IS ESPECIALLY DANGEROUS.
  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR THE WILLAMETTE RIVER FROM ROSS ISLAND DOWNSTREAM (NORTH) TO THE AREA NEAR CATHEDRAL PARK IN PORTLAND, IN MULTNOMAH COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE AND SLOUGH WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE AREA AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.DO NOT DRINK THE WATER.
  • A RECREATIONAL USE HEALTH ADVISORY ICONTINUES IN EFFECT FOR ARRONS LAKE, BUT HAS BEEN LIFTED FOR PETE’S SLOUGH AND STURGEON LAKE ON SAUVIE ISLAND DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE AND SLOUGH WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE AREA AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.
  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR AGENCY LAKE AND EXTENDED THE ADVISORY FOR THE SOUTHERN PORTION OF UPPER KLAMATH LAKE, FROM HOWARD’S BAY SOUTH TO THE LINK RIVER DAM  IN KLAMATH COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE RESERVOIR WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.
  • 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.

THE WEATHER PATTERN

An Upper Level High Pressure Ridge is moving eastward allowing for some cooling. The graphics for days 1-3  show another cold front approaching Oregon Monday. The graphics for days 3-7   Tuesday through Saturday show the frontal activity through the period.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • A mix of clouds and sun and a bit cooler today, becoming mostly cloudy tonight,
  • Partly cloudy and a bit cooler Monday, partly cloudy at night,
  • Mostly sunny and a bit cooler Tuesday, then partly cloudy with a slight (20%) chance of showers late Tuesday night.
  • highs 83-74 lows 54-48.
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Wednesday, becoming mostly clear Wednesday night,
  • Mostly sunny and a bit warmer Thursday, mostly clear at night,
  • Mostly sunny and a bit warmer Friday, partly cloudy with a slight (20%) chance of showers Friday night,
  • Then partly cloudy and a bit cooler with a slight (20%) of showers Saturday.
  • highs 72-80 cooling to 77 Saturday lows 46-49.  (seasonal averages high 78 low 48)

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and hazy and a bit cooler today, mostly cloudy and hazy tonight,
  • AM clouds and haze, partly cloudy and a bit cooler Monday afternoon, partly cloudy at night,
  • Mostly sunny and a bit cooler Tuesday, then mostly clear Tuesday night.
  • highs 88-77 lows 54-50.
  • Mostly sunny and a bit cooler Wednesday, mostly clear Wednesday night,
  • Sunny and a bit warmer Thursday, mostly clear at night,
  • Mostly sunny and a bit warmer Friday, mostly clear with a slight (20%) chance of showers Friday night,
  • Mostly sunny with a slight (20%) chance of AM showers, then partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday afternoon.
  • highs 74-82 cooling to 78 Saturday  lows 49-52. (seasonal averages high 80 low 52)

Forecast for the Oregon Coast including Coos Bay and North Bend:

  • Partly cloudy and hazy and a bit warmer today, mostly cloudy and hazy tonight,
  • AM clouds with inland haze, sunny and a bit warmer Monday afternoon, partly cloudy at night,
  • Sunny and a bit cooler Tuesday, then mostly clear with a slight (20%) chance of showers Tuesday night.
  • highs 72-74 cooling back to 72 Tuesday lows near 53.
  • Mostly sunny with a slight (20%) chance of showers Wednesday, becoming mostly clear Wednesday night,
  • Sunny and a bit warmer Thursday, mostly clear at night,
  • Mostly sunny and a bit warmer Friday, partly cloudy with a slight (20%) chance of showers Friday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday.
  •  highs 72-76 cooling back to 72 Saturday lows near 53. (seasonal averages high 67 low 51)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny with patchy AM smoke, partly cloudy and a bit cooler this afternoon, partly cloudy this evening, mostly cloudy late tonight,
  • Mostly cloudy start, partly cloudy and a bit cooler Monday afternoon, partly cloudy at night,
  • Some AM clouds, sunny and a bit cooler Tuesday, then mostly clear with a slight (20%) chance of showers late Tuesday night.
  • free air freezing level 13,000 ft. tonight through Monday night, 12,000 ft. Tuesday, then snow level above 8,000 ft. Tuesday night.
  • highs 78-63 lows 49-37.
  • Partly cloudy with a slight (20%) chance of showers and a bit cooler Wednesday, mostly clear Wednesday night,
  • Mostly sunny with a slight (20%) chance of AM showers, partly cloudy with a slight (20%) chance of showers and a bit warmer Thursday afternoon, partly cloudy with a slight (20%) chance of showers at night,
  • Partly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit warmer Friday afternoon, partly cloudy with a slight (20%) chance of showers Friday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday.
  • snow level 7,000 ft. Wednesday, free air freezing level 9,000 ft. Wednesday night, snow level 7,000 ft. Thursday, 8,000 ft. Thursday night, above 8,000 ft. Friday night and Saturday.
  • highs 55-62 cooling  to 60 Saturday lows 36-39.