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Tim Chuey Weather

by | Oct 21, 2023 | Weather

October 22, 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 IS IN EFFECT FOR LAKE  EWAUNA 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 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 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 (“U” shape) takes over from the High Pressure Ridge which has moved away to the east. The graphics for days 1-3  show the frontal system moving through the Pacific Northwest bringing rain and cooler temperatures. The graphics for days 3-7  Wednesday through Sunday show frontal activity in the Pacific Northwest Wednesday through Friday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Patchy AM fog, mostly cloudy and a bit warmer with a good (50%) chance of rain this afternoon and evening (under 0.10 in. of rain possible), a slight (20%) chance of rain late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with a slight (20%) chance of AM rain, just mostly cloudy and a bit cooler Monday afternoon, partly cloudy with a slight (20%) chance of rain Monday night,
  • A mix of clouds and sun with a good (50%) chance of rain and a bit cooler Tuesday and in the evening, then rain likely (70%) late Tuesday night.
  • highs 65-60 lows 52-43.
  • A mix of clouds and sun with a (50%) chance of rain and a bit warmer Wednesday, partly cloudy with a (40%) chance of rain Wednesday night,
  • A mix of clouds and sun with a (40%) chance of rain Thursday, mostly cloudy with a (40%) chance of evening rain , partly cloudy with a (40%) chance of  rain late at night,
  • A mix of clouds and sun and a bit cooler with a (40%) chance of rain Friday, partly cloudy with a (40%) chance of rain Friday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of rain Saturday.
  • highs 62-58 lows 44-39 (seasonal averages high 62 low 41)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with patchy AM fog and showers likely (70%) with a slight (20%) chance of thunderstorms, showers with a slight (20%) chance of thunderstorms this afternoon (0.25 in. of rain possible), a good (50%) chance of evening showers, a slight (20%) chance of rain late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with patchy AM fog and a slight (20%) chance of rain, mostly cloudy Monday afternoon, partly cloudy in the evening, mostly cloudy late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Tuesday afternoon, a (40%) chance of showers Tuesday night.
  • highs near 62 lows 54-45.
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Wednesday, a slight (20%) chance of showers Wednesday night,
  • Mostly cloudy with a (30%) chance of rain Thursday and at night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Friday, a (30%) chance of rain Friday night,
  • Then partly cloudy with a slight (20%) chance of rain Saturday.
  • highs near 63 lows 46-43 (seasonal averages high 64 low 44)

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

  • Mostly cloudy with AM showers and patchy fog, a bit warmer with showers likely (70%) this afternoon (0.10 in. of rain possible), a (30%) chance of evening coastal showers while a (30%) of evening inland showers and a slight (20%) chance of inland rain tonight,
  • Mostly cloudy with patchy fog and a slight (20%) chance of AM coastal rain, just mostly cloudy and a bit cooler Monday and in the evening, then partly cloudy at night,
  • Mostly cloudy with a (30%) chance of rain and a bit cooler Tuesday afternoon, then mostly cloudy with a good (50%) chance of rain Tuesday night.
  • highs 66-64 lows 52-46.
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain Wednesday, a (30%) chance of rain Wednesday night,
  • Mostly cloudy with a (30%) chance of rain Thursday, a (40%) chance of rain at night,
  • Mostly cloudy with a (40%) chance of rain Friday, a (30%) chance of rain Friday night,
  • Then partly cloudy with a slight (20%) chance of rain Saturday.
  • highs near 65 lows 48-44. (seasonal averages high 62 low 46)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with a good (50%) chance of AM rain, rain this afternoon (0.10 in. of rain possible), evening rain likely (70%), a slight (20%) chance of rain late tonight,
  • Clouds and sun with a (30%) chance of AM rain, a mix of clouds and sun and a bit cooler Monday afternoon, mostly cloudy in the evening, partly cloudy late Monday night,
  • Clouds and sun with a good (50%) chance of AM rain and a slight (20%) chance of snow, a mix of clouds and sun and a bit warmer with a good (50%) chance of rain and snow Tuesday afternoon, mostly cloudy with a good (50%) chance of rain and snow Tuesday night.
  • snow level above 8,000 ft. today, 8,000 ft. tonight, 6,000 ft. Monday, then free air freezing level 9,000 ft. falling to 8,000 ft. late Monday night, 5,000 ft. Tuesday, then 6,500 ft Tuesday night.
  • highs 52-50 warming back to 52 Tuesday lows 39-32.
  • Mostly cloudy with AM rain and snow likely (70%), a bit cooler with a (30%) chance of rain and snow Wednesday afternoon, mostly cloudy with a good (50%) chance of evening rain and snow, partly cloudy with a good (50%) chance of rain and snow late Wednesday night,
  • A mix of clouds and sun with a good (50%) chance of rain and snow and a bit cooler Thursday, mostly cloudy with good (50%) chance of rain and snow at night,
  • A mix of clouds and sun with a good (50%) chance of of rain and snow and a bit cooler Friday, partly cloudy with a (40%) chance of rain and snow Friday night,
  • Then a mix of clouds and sun and a bit cooler with a (40%) chance of rain and snow Saturday.
  • snow level 7,000 ft. Wednesday, 6,000 ft. Wednesday night through Friday, 5,000 ft. Friday night, then 5,500 ft. Saturday.
  • highs 49-43 lows 32-28.