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Tim Chuey Weather

by | Sep 9, 2023 | Weather

September 10, 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 offshore remains in control. Continued onshore airflow continues normal temperatures and surface high pressure continue giving us normal temperatures. The graphics for days 1-3  show a weak cold front breaks up as moves in today. The graphics for days 3-7   Wednesday through Sunday show a cold front as it pushes into the Pacific Northwest Wednesday and one is to our northwest Sunday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Patchy AM fog, partly cloudy and a bit cooler this afternoon, partly cloudy with a slight (20%) chance of showers tonight,
  • A mix of clouds and sun with a slight (20%) chance of showers and a bit cooler Monday, partly cloudy at night,
  • Some AM clouds, mostly sunny and a bit warmer Tuesday, then partly cloudy Tuesday night.
  • highs 82-78 warming back to 80 Tuesday lows 56-53.
  • Mostly sunny and a bit warmer Wednesday, Thursday, and Friday, mostly clear each night,
  • Then mostly sunny Saturday.
  • highs 82-88 lows 52-54 (seasonal averages high 80 low 49)

Forecast for the Umpqua Valley including Roseburg:

  • Patchy AM fog, partly cloudy and a bit cooler this afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers tonight,
  • Mostly cloudy with patchy AM fog and a slight (20%) chance of showers, mostly cloudy and a bit cooler with a slight (20%) chance of showers Monday afternoon, just partly cloudy at night,
  • Some AM clouds with patchy fog, sunny and a bit warmer Tuesday afternoon, then mostly clear Tuesday night.
  • highs 86-80 warming to 82 Tuesday lows 57-55.
  • Mostly sunny and a bit warmer Wednesday and Thursday, mostly clear both nights,
  • Sunny and a bit warmer Friday, mostly clear Friday night,
  • Then mostly sunny and a bit cooler Saturday.
  • highs near 84-92 cooling to 90 Saturday lows 55-58. (seasonal averages high 82 low 54)

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

  • Mostly cloudy with patchy AM fog, partly cloudy and a bit warmer this afternoon, mostly cloudy with patchy fog and a (40%) chance of showers late tonight while mostly cloudy with a slight (20%) chance of inland showers tonight,
  • Patchy AM fog, mostly cloudy and a bit cooler with a (30%) chance of showers Monday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog late at night,
  • AM clouds and patchy fog, mostly sunny and a bit warmer Tuesday afternoon, then mostly clear Tuesday night.
  • highs 77-73 warming to 75 Tuesday lows 58-54 warming to 56 Tuesday night.
  • Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Mostly sunny and a bit cooler Thursday, mostly clear at night,
  • Mostly sunny and a bit warmer Friday, mostly clear Friday night,
  • Then sunny and a bit cooler Saturday.
  •  highs 77-75 lows near 55. (seasonal averages high 67 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit cooler today, just partly cloudy tonight,
  • A mix of clouds and sun and a bit cooler Monday, partly cloudy at night,
  • AM clouds, sunny and a bit cooler Tuesday afternoon, then clear Tuesday night.
  • free air freezing level 13,000 ft. today through Tuesday night.
  • highs 72-66 lows 45-42.
  • Mostly sunny and a bit warmer Wednesday, Thursday, and Friday, clear each night,
  • Them mostly sunny Saturday.
  • free air freezing level 14,000 ft. Wednesday through Saturday.
  • highs 70-79 lows 45-50.