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Tim Chuey Weather

by | Sep 5, 2023 | Weather

September 6, 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

NONE AT THIS TIME.

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 Low Pressure Trough remains in control. Continued onshore airflow continues normal temperatures. The graphics for days 1-3  show a weak disturbance that will be trying to move through Oregon today but falls apart. The graphics for days 3-7   Saturday through Wednesday show a cold front will push through the Pacific Northwest Monday with another behind it next Wednesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly sunny and a bit warmer today, mostly clear tonight,
  • Then mostly sunny Thursday and Friday, mostly clear both nights.
  • highs near 80 lows 52-50 warming back to 52 Friday night.
  • Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Partly cloudy with a slight (20%) chance of showers and a bit cooler Sunday afternoon, a slight (20%) chance of evening showers, just partly cloudy at night,
  • Partly cloudy and a bit cooler Monday and Monday night,
  • Then mostly sunny Tuesday.
  • highs 83-79 lows 52-55 cooling to 50 Monday night (seasonal averages high 81 low 50)

Forecast for the Umpqua Valley including Roseburg:

  • Patchy AM fog, sunny and a bit warmer this afternoon, clear tonight,
  • Patchy AM fog, sunny and a bit cooler Thursday, mostly clear at night,
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night.
  • highs 82-80 warming back to 82 Friday lows 55-53 warming to 56 Friday night.
  • Sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Sunny and a bit cooler Sunday, partly cloudy at night,
  • Partly cloudy sunny and a bit cooler Monday, mostly clear Monday night,
  • Then mostly sunny Tuesday.
  • highs near 85-82 lows 56-58 cooling to 55 Monday night. (seasonal averages high 83 low 54)

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

  • Patchy AM fog, sunny and a bit warmer this afternoon, mostly clear this evening, partly cloudy with patchy fog late tonight,
  • Some AM clouds with patchy fog, sunny Thursday afternoon, mostly clear in the evening, mostly cloudy late at night,
  • Some AM clouds, sunny Friday, then mostly clear Friday night.
  • highs near 74 lows near 54.
  • Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Partly cloudy with a slight (20%) chance of rain Sunday, just partly cloudy at night,
  • Partly cloudy Monday and Monday night,
  • Then sunny Tuesday.
  •  highs near 75 lows 54-58 cooling back to 54 Monday night (seasonal averages high 67 low 53)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit warmer today, mostly clear tonight,
  • Mostly sunny Thursday, partly cloudy at night,
  • Mostly sunny and a bit warmer Friday, then mostly clear Friday night.
  • free air freezing level 13,000 ft. today and tonight, 12,000 ft. Thursday, 12,000 ft. Thursday night, 12,000 ft. rising to 13,000 ft. Friday afternoon, then 13,000 ft. late Friday night.
  • highs 68-70 lows 42-46.
  • Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
  • Partly cloudy and a bit cooler Sunday, partly cloudy at night,
  • Some AM clouds, mostly sunny Monday afternoon, partly cloudy Monday night,
  • Then mostly sunny and a bit cooler Tuesday.
  • free air freezing level 13,000 ft. Saturday through Sunday night, then 14,000 ft. Monday through Tuesday.
  • highs 73-70 lows near 46-44.