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Tim Chuey Weather

by | Nov 12, 2023 | Weather

November 12, 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 STAGNATION ADVISORY IS IN EFFECT UNTIL 11 AM MST WEDNESDAY FOR THE OREGON LOWER TREASURE VALLEY.
  • AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 11 AM MST WEDNESDAY FOR THE OREGON LOWER TREASURE VALLEY.

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 atmospheric river is still aimed at us still bringing rain with some short breaks.  The graphics for days 1-3  show the next frontal system that’s moving through Oregon today. Another front will through the Pacific Northwest Monday. The graphics for days 3-7   Wednesday through Sunday show the complicated frontal activity through the period.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with rain and a bit warmer this afternoon (under 0.10 in. of rain possible), rain tonight (0.25 in. of rain possible),
  • Mostly cloudy and a bit cooler with a good (50%) chance of showers Monday (under 0.10 in. of rain possible), mostly cloudy with a (40%) of showers at night (under 0.10 in. of rain possible),
  • Mostly cloudy with a good (50%) of AM showers, showers likely (70%) and a bit cooler Tuesday afternoon (under 0.10 in. of rain possible), then showers likely (70%) Tuesday night.
  • highs 59-52 lows 45-40 warming to 42 Tuesday night.
  • Mostly cloudy and a bit warmer with a good (50%) chance of showers Wednesday, partly cloudy with a slight (20%) chance of evening showers, partly cloudy with patchy frost late Wednesday night,
  • Patchy AM and late night frost, partly cloudy Thursday and at night,
  • Patchy AM frost, partly cloudy with a slight (20%) chance of shower and a bit warmer Friday afternoon, partly cloudy with a good (50%) chance of evening showers, mostly cloudy with a good (50%) chance of shower late Friday night,
  • Then mostly cloudy with showers likely (70%) Saturday.
  • highs 53-55 lows 36-40. (seasonal averages high 54 low 38)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with a (30%) chance of rain today, rain tonight (0.10 in. of rain possible),
  • Cloudy a bit cooler with a good (50%) of rain Monday (under 0.10 in. of rain possible), mostly cloudy with a (30%) chance of rain at night,
  • Mostly cloudy with rain likely (70%) and a bit cooler Tuesday, then rain likely (70%) Tuesday night.
  • highs 58-55 lows 43-468-43.
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Wednesday, a slight (20%) chance of rain Wednesday night,
  • Some AM clouds, sunny and a bit warmer Thursday, mostly clear in the evening, partly cloudy late at night,
  • Some AM clouds, mostly sunny with a slight (20%) chance of rain Friday afternoon, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain late Friday night,
  • Then mostly cloudy with a (40%) chance of rain Saturday.
  • highs 53-58 lows 45-42. (seasonal averages high 55 low 41)

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

  • Cloudy with a (40%) chance of AM rain, rain and a bit warmer this afternoon (under 0.10 in. of rain possible), rain tonight (0.25 in. of rain possible),
  • Mostly cloudy with a (40%) chance of rain and a bit cooler Monday (under 0.10 in. of rain possible), a (40%) of rain at night (under 0.10 in. of rain possible),
  • Mostly cloudy with rain likely (70%) Tuesday, then rain likely (70%) Tuesday night.
  • highs 64-58 lows near 48.
  • Mostly cloudy with a good (50%) of rain and a bit warmer Wednesday, partly cloudy with a slight (20%) chance of rain Wednesday night,
  • Mostly sunny and a bit warmer Thursday, mostly clear at night,
  • Mostly sunny with a slight (20%) chance of rain Friday afternoon, partly cloudy with a (30%) chance of evening rain, mostly cloudy with a (30%) chance of rain late Friday night,
  • Then mostly cloudy with a good (50%) chance of rain Saturday.
  • highs 60-64 cooling to 59 Saturday lows 44-42 warming to 46 Friday night (seasonal averages high 58 low 44)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with rain likely (70%) and a bit warmer this afternoon, rain and snow late tonight (0.25 in. of rain possible, no snow accumulation expected),
  • Mostly cloudy with AM rain and snow showers, showers likely (70%) and a bit cooler Monday afternoon, a good (50%) chance of snow showers at night,
  • Mostly cloudy and a bit warmer with showers Tuesday, then rain and snow showers Tuesday night.
  • snow level  5,500 ft. tonight through Monday night, then 6.000 ft. Tuesday and Tuesday night.
  • highs 40-47 cooling to 43 Monday lows near 32.
  • Mostly cloudy with showers likely (70%) and a bit warmer Wednesday, a good (50%) chance of evening rain and snow showers, partly cloudy with a good (50%) chance of rain and snow showers late Wednesday night,
  • Partly cloudy with a (30%) chance of rain showers and snow showers and a bit cooler Thursday, partly cloudy with a slight (20%) chance of rain and snow showers at night,
  • Partly cloudy with a slight (20%) chance of AM rain and snow showers, a bit warmer with a good (50%) chance of rain and snow showers Friday afternoon, partly cloudy with a good (50%) chance of evening showers, mostly cloudy with a good (50%) chance of showers Friday night,
  • Mostly cloudy with AM showers likely (70%) and a (40%) chance of snow showers, then snow showers likely (70%) and a bit cooler Saturday afternoon.
  • snow level 5,500 ft. Wednesday through Thursday, 6,000 ft. Thursday night and Friday, 6,500 ft. Friday night, then 6,000 ft. Saturday.
  • highs 43-47 lows near 32.