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Tim Chuey Weather

by | Sep 14, 2023 | Weather

September 15, 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 High Pressure Ridge offshore will quickly warm us up. The graphics for days 1-3  show another weak cold front moving through Oregon Saturday and Sunday. The graphics for days 3-7   Monday through Friday show a cold front moving into the Pacific Northwest Monday and another cold front pushing through Wednesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Sunny and a bit warmer today, clear tonight,
  • Mostly sunny and a bit cooler Saturday, mostly clear at night,
  • Mostly sunny start, partly cloudy and a bit cooler Sunday afternoon, then partly cloudy Sunday night.
  • highs 92-84 lows near 53.
  • Partly cloudy and a bit cooler Monday, partly cloudy Monday night,
  • Mostly sunny and a bit cooler Tuesday, mostly clear with a slight (20%) chance of showers late at night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Wednesday, becoming mostly clear Wednesday night,
  • Then mostly sunny and a bit warmer Thursday.
  • highs 82-73 warming to 80 Thursday lows near 48 (seasonal averages high 79 low 48)

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and a bit warmer and hazy this afternoon, clear and hazy tonight,
  • AM haze, sunny and a bit cooler Saturday afternoon, mostly clear at night,
  • Sunny and a bit cooler Sunday, then partly cloudy Sunday night.
  • highs 96-90 lows near 56.
  • Partly cloudy and a bit cooler Monday partly cloudy Monday night,
  • Mostly sunny and a bit cooler Tuesday and Wednesday, mostly clear both nights,
  • Then sunny and a bit warmer Thursday.
  • highs 84-75 warming to 82 Thursday  lows 52-49. (seasonal averages high 81 low 53)

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

  • AM clouds and hazy, sunny and hazy and a bit warmer this afternoon, mostly clear with evening haze, mostly cloudy and hazy late tonight,
  • AM clouds and haze, sunny Saturday afternoon, mostly clear in the evening, mostly cloudy late at night,
  • Mostly sunny Sunday, then partly cloudy Sunday night.
  • highs 76-75 lows near 55.
  • Partly cloudy and a bit cooler Monday, partly cloudy Monday night,
  • Mostly sunny and a bit cooler Tuesday, mostly clear at night,
  • Mostly sunny Wednesday, mostly clear Wednesday night,
  • Then sunny and a bit warmer Thursday.
  •  highs 74-72 warming to 76 Thursday lows near52. (seasonal averages high 67 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Sunny and a bit warmer today, clear tonight,
  • Sunny Saturday, mostly clear at night,
  • Mostly sunny and a bit cooler Sunday, then partly cloudy Sunday night.
  • free air freezing level 15,000 ft. falling to 14,000 ft. this afternoon, 14,000 ft. tonight through Saturday night, 13,000 ft. Sunday, then 14,000 ft. Sunday night.
  • highs 82-78 lows 52-48.
  • Partly cloudy and a bit cooler Monday, partly cloudy Monday night,
  • Some AM clouds, mostly sunny and a bit cooler Tuesday afternoon, mostly clear at night,
  • Partly cloudy with a slight (20%) chance of AM showers, just partly cloudy and a bit cooler Wednesday afternoon, mostly clear Wednesday night,
  • Then mostly sunny and a bit warmer Thursday.
  • free air freezing level 13,000 ft. Monday, 14,000 ft. Monday night, 13,000 ft. Tuesday and Tuesday night, snow level 7,500 ft Wednesday, free air freezing level 12,000 ft. Wednesday night, then 13.000 ft. Thursday.
  • highs 72-57  warming to 64 Thursday lows 43-37.