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Tim Chuey Weather

by | Sep 15, 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

  • AN AIR QUALITY ADVISORY IS IN EFFECT DUE TO WILDFIRE SMOKE IS IN EFFECT UNTIL 5 PM SUNDAY FOR CURRY COUNTY AND JOSEPHINE COUNTY.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING FOR DRY AND UNSTABLE CONDITIONS FOR THE CENTRAL MOUNTAINS OF OREGON.
  • AN AIR QUALITY ALERT IS IN EFFECT UNTIL 5 PM SUNDAY FOR WILDFIRE SMOKE FOR CURRY COUNTY AND JOSEPHINE COUNTY.

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 is moving eastward allowing for some cooling. The graphics for days 1-3  show another weak cold front moving through Oregon Saturday. The graphics for days 3-7   Monday through Friday show a cold front moving into the Pacific Northwest Monday and another front will be to our northwest next Friday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Clear tonight,
  • Mostly sunny and a bit cooler Saturday, mostly clear Saturday night,
  • A mix of clouds and sun and a bit cooler Sunday, becoming mostly cloudy at night,
  • Partly cloudy and a bit cooler Monday, then partly cloudy Monday night.
  • lows 53-47 highs 89-79.
  • Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Wednesday, becoming mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, partly cloudy Thursday night,
  • Mostly sunny start, then partly cloudy with a slight (20%) chance of showers Friday afternoon.
  • highs 74-72 warming to 78 Friday lows 48-46 warming to 49 Thursday night (seasonal averages high 78 low 48)

Forecast for the Umpqua Valley including Roseburg:

  • Clear and hazy tonight,
  • Sunny and a bit cooler Saturday, mostly clear Saturday night,
  • AM sun, partly cloudy and a bit cooler Sunday, mostly cloudy Sunday night,
  • Partly cloudy and a bit cooler Monday, then partly cloudy Monday night.
  • lows 57-52 highs 93-82.
  • Mostly sunny and a bit cooler Tuesday and Wednesday, mostly clear both nights,
  • Sunny and a bit warmer Thursday, mostly clear in the evening, partly cloudy late Thursday night,
  • Then mostly sunny and a bit warmer with a slight (20%) chance of showers Friday afternoon.
  • highs 76-74 warming to 79 Friday  lows 52-49. (seasonal averages high 81 low 53)

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

  • Mostly clear with evening haze and patchy fog, mostly cloudy with patchy fog late tonight,
  • AM clouds with patchy dense coastal fog while patchy AM inland fog, sunny and a bit warmer Saturday afternoon, mostly clear with patchy fog late Saturday night,
  • Patchy AM fog, mostly cloudy and a bit warmer Sunday, then mostly cloudy at night,
  • Partly cloudy Monday, then partly cloudy Monday night.
  • lows 52-54 cooling back to 52 Monday night highs 72-74.
  • Mostly sunny and a bit cooler Tuesday, mostly clear Tuesday night,
  • Mostly sunny Wednesday, mostly clear at night,
  • Mostly sunny and a bit warmer Thursday, mostly clear Thursday night,
  • Then mostly sunny with a slight (20%) chance of showers Friday.
  •  highs 72-75 lows near 52. (seasonal averages high 67 low 52)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Clear tonight,
  • AM haze, sunny Saturday afternoon, mostly clear Saturday night,
  • Mostly sunny start, partly cloudy and a bit cooler Sunday afternoon, mostly cloudy at night,
  • AM clouds and sun, sunny and a bit cooler Monday afternoon, then partly cloudy Monday night.
  • free air freezing level 14,000 ft. tonight, 14,000 ft. Saturday night, 13,000 ft. Sunday, 14,000 ft. Sunday night, 13,000 ft. Monday, then 14,000 ft. Monday night.
  • lows 53-40 highs 82-69.
  • Some AM clouds, mostly sunny and a bit cooler Tuesday afternoon, mostly clear Tuesday night,
  • Mostly sunny with a slight (20%) chance of AM showers, partly cloudy and a bit cooler Wednesday afternoon, partly cloudy at night,
  • Partly cloudy and a bit cooler Thursday, partly cloudy Thursday night,
  • Then partly cloudy and a bit warmer with a slight (20%) chance of showers Friday.
  • free air freezing level  12,000 ft. Tuesday, 13,000 ft. Tuesday night, snow level 7,500 ft Wednesday, free air freezing level 10,000 ft. Wednesday night through Thursday night, then snow level above 8,000 ft. Friday,
  • highs 62-57 warming to 60 Friday lows 36-38.