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Tim Chuey Weather

by | Oct 15, 2023 | Weather

October 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

  • A BEACH HAZARDS STATEMENT IS IN EFFECT FOR DANGEROUS SNEAKER WAVES THROUGH THIS EVENING FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.

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 High Pressure Ridge (“Arch” shape) will start some clearing and a warming trend Tuesday. The graphics for days 1-3  show a frontal system as it moves into Oregon Monday. The graphics for days 3-7  Wednesday through Sunday show a frontal system moving into the Pacific Northwest next Sunday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with rain likely (70%) and patchy fog late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with rain and a bit cooler Monday (0.25 in. of rain possible), evening showers likely (70%), partly cloudy with a slight (20%) showers late Monday night (under 0.10 in. of rain possible),
  • A mix of clouds and sun and a bit warmer Tuesday, partly cloudy cloudy at night,
  • Partly cloudy and a bit warmer Wednesday, then mostly clear Wednesday night.
  • lows 56-48 warming to 50 Wednesday night highs 67-72.
  • Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Partly cloudy and a bit cooler Friday, partly cloudy with a slight (20%) chance of rain at night,
  • Mostly cloudy with a slight (20%) chance of AM rain, a (40%) chance of rain and a bit cooler Saturday afternoon, mostly cloudy with a good (50%) chance of rain Saturday night,
  • Then a mix of clouds and sun and a bit cooler with a (40%) chance of rain Sunday.
  • highs 75-63 lows 52-50 (seasonal averages high 65 low 42)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with a good (50%) chance of late evening rain, rain with patchy fog late tonight,
  • Mostly cloudy with patchy AM fog, rain and cooler Monday afternoon (0.25 in. of rain possible), evening rain likely (70%), patchy fog with a slight (20%) chance of showers late Monday night (under 0.01 in. of rain possible),
  • AM clouds with patchy fog, sunny and a bit warmer Tuesday afternoon, mostly clear at night,
  • Some AM clouds, sunny and a bit warmer Wednesday afternoon, then mostly clear Wednesday night.
  • lows 56-52 warming to 54 Wednesday night highs 80-63.
  • Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Some AM clouds, sunny and a bit cooler Friday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of rain Saturday, a (30%) chance of rain Saturday night,
  • Then mostly cloudy and a bit cooler with a (30%) chance of rain Sunday.
  • highs 78-80 cooling to 63 Saturday lows near 54 (seasonal averages high 67 low 45)

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

  • Mostly cloudy with late evening coastal rain likely (70%) while a good (50%) chance of late evening inland rain, rain late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit cooler with rain Monday (0.50 in. of rain possible), a good (50%) chance of coastal rain at night while evening inland rain likely (70%) and a slight (20%) chance of inland rain late Monday night (under 0.10 in. of rain possible),
  • AM clouds and patchy fog, sunny and a bit warmer Tuesday afternoon, partly cloudy with patchy fog at night,
  • Patchy AM fog, sunny and a bit warmer Wednesday afternoon, then mostly clear Wednesday night.
  • lows 57-52 highs 65-75.
  • Mostly sunny and a bit cooler Thursday, partly cloudy Thursday night,
  • Partly cloudy and a bit cooler Friday and in the evening, mostly cloudy with a slight (20%) chance of rain late at night,
  • Mostly cloudy and a bit cooler with a (40%) chance of rain Saturday, a good (50%) chance of rain Saturday night,
  • Then mostly cloudy and a bit cooler with a (40%) chance of showers Sunday.
  • highs 74-66 lows 53-50. (seasonal averages high 63 low 47)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with a good (50%) chance of rain late tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with rain and a bit cooler Monday, evening showers, a slight (20%) of showers late  Monday night (0.25 in. of rain possible),
  • AM clouds and sun, sunny and a bit warmer Tuesday afternoon, just partly cloudy at night,
  • Some A clouds, sunny and a bit warmer Wednesday afternoon, then mostly clear Wednesday night.
  • snow level above 8,000 ft. late tonight and Monday, 8,000 ft. falling to 7,000 ft. late Monday night, free air freezing level 13,000 ft. Tuesday, 14,000 ft. rising to 15,000 ft. late Tuesday night, then 15,000 ft. Wednesday and Wednesday night.
  • lows 44-38 warming to 46 Wednesday night highs 53-72.
  • Mostly sunny and a bit warmer Thursday, clear Thursday night,
  • Mostly sunny and a bit cooler Friday, partly cloudy at night,
  • Clouds and sun with a slight (20%) chance of AM rain, a mix of clouds and sun and cooler with a good (50%) chance of rain Saturday afternoon, mostly cloudy with a good (50%) chance of rain Saturday night,
  • Then a mix of clouds and sun and a bit cooler with a good (50%) chance of rain and a (4o%) chance of snow Sunday afternoon.
  • free air freezing level 15,000 ft.Thursday and Thursday night, 14,000 ft. Friday, snow level above 8,000 ft. Friday night through Saturday night, then 7,500 ft. Sunday.
  • highs 72-47 lows 47-38.