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Tim Chuey Weather

by | Nov 14, 2023 | Weather

November 14, 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 THURSDAY FOR THE OREGON LOWER TREASURE VALLEY.

HEALTH ADVISORIES

  • A PUBLIC HEALTH ADVISORY IS IN EFFECT FOR UNSAFE LEVELS OF FECAL BACTERIA IN OCEAN WATERS AT BEVERLY BEACH IN LINCOLN COUNTY. PEOPLE SHOULD AVOID DIRECT CONTACT WITH THE WATER IN THIS AREA UNTIL THE ADVISORY IS LIFTED. UNSAFE LEVELS OF FECAL BACTERIA CAN CAUSE DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS AND OTHER ILLNESSES. CHILDREN, THE ELDERLY, AND THOSE WITH A COMPROMISED IMMUNE SYSTEM SHOULD USE EXTRA CAUTION AS THEY ARE MORE VULNERABLE TO TO ILLNESSES FROM WATERBORNE BACTERIA. VISITORS SHOULD AVOID WADING IN NEARBY CREEKS, POLS OF WATER ON THE BEACH, OR IN DISCOLORED WATER, AND STAY CLEAR OF WATER RUNOFF FLOWING INTO THE OCEAN.
  • 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 CONTINUES 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

  • We’re caught between two low pressure areas.  The graphics for days 1-3  show the an occluded frontal system hanging around the Pacific Northwest. The graphics for days 3-7   Friday through Tuesday show the complex frontal system that impacts our weather Saturday night and Sunday. Another front will be offshore next Tuesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Cloudy with a good (50%) chance of rain tonight, patchy fog late (0.10 in. of rain possible),
  • Mostly cloudy with a good (50%) chance of AM rain,  a mix of clouds and sun and a bit warmer with a slight (20%) chance of rain Wednesday afternoon (under 0.10 in. of rain possible), partly cloudy Wednesday night,
  • Patchy AM frost and late night frost, partly cloudy and a bit cooler Thursday, partly cloudy at night,
  • AM clouds and sun with patchy frost, sunny and a bit warmer Friday afternoon, partly cloudy with a slight (20%) chance of evening rain, then mostly cloudy with a good (50%) chance of rain late Friday night.
  • lows 45-37 warming to warming to 42 Friday night highs 59-50 warming to 52 Friday.
  • Mostly cloudy with rain and a bit warmer Saturday, rain Saturday night,
  • Mostly a bit cooler with rain likely (70%) Sunday, partly cloudy with a (40%) chance of evening rain, mostly cloudy with a slight (20%) chance of rain late at night,
  • A mix of clouds and sun and a bit cooler with a slight (20%) chance of rain Monday, mostly cloudy with a slight (20%) chance of evening rain, a (30%) chance of rain Monday night,
  • Then mostly cloudy and a bit warmer with a good (50%) chance of rain Tuesday.
  • highs 56-53 warming to 56 Tuesday lows 42-37. (seasonal averages high 53 low 38)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with a (40%) chance of rain with patchy fog tonight (under 0.10 in. of rain possible),
  • Mostly cloudy with patchy AM fog and a slight (20%) chance of rain (under 0.10 in. of rain possible), just partly cloudy and a bit warmer Wednesday afternoon, partly cloudy with patchy dense fog Wednesday night,
  • Some AM clouds with patchy fog, sunny and a bit cooler Thursday afternoon, mostly clear in the evening, partly cloudy with patchy fog late at night,
  • Partly cloudy with patchy AM fog, and a bit warmer Friday, mostly sunny with a slight (20%) of rain Friday afternoon,  then mostly cloudy with a (20%) chance of rain Friday night.
  • lows 49-44 highs 62-59 warming back to 62 Friday.
  • Mostly cloudy with rain likely (70%) and a bit cooler with rain likely (70%) Saturday, rain likely (70%) Saturday night,
  • Mostly cloudy with a good (50%) chance of AM rain, partly cloudy and a bit cooler with a (40%) chance of rain Sunday afternoon, partly cloudy with a slight (20%) chance of evening rain, just partly cloudy at night,
  • Partly cloudy and a bit warmer Monday and in the evening, mostly cloudy Monday, mostly cloudy late Monday night,
  • Partly cloudy start, then mostly cloudy and a bit warming with a slight (20%) chance of rain Tuesday afternoon.
  • highs 58-53 warming to 58 Tuesday lows 46-40 warming to 42 Tuesday. (seasonal averages high 55 low 41)

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

  • Mostly cloudy with early evening coastal rain likely (70%) and a good (50%) chance of late evening coastal rain becoming coastal rain likely (70%) late tonight while a (40%) chance of inland rain and patchy inland fog late tonight, rain with a good (50%) chance of rain late tonight (0.10 in. of rain possible),
  • Mostly cloudy with patchy AM fog and a (30%) of rain (under 0.10 in. of rain possible), just partly cloudy and warmer Wednesday afternoon, mostly clear with patchy fog late Wednesday night,
  • Patchy AM fog, sunny and a bit cooler Thursday afternoon, mostly clear with patchy fog at night,
  • Patchy AM fog, mostly sunny and a bit warmer with a slight (20%) chance of rain Friday afternoon, then mostly cloudy with a (0%) chance of rain late Friday night.
  • lows 50-45 warming to back to 50 Friday night highs 68-64 warming to 67 Friday.
  • Mostly cloudy and cooler with rain Saturday, a good (50%) chance of rain Saturday night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of showers Sunday, a slight (20%) chance of showers at night,
  • Partly cloudy and a bit warmer Monday, mostly cloudy Monday night,
  • Partly cloudy start, then mostly cloudy with a slight (20%) chance of rain Tuesday afternoon.
  • highs 57-64 lows 48-40 warming to 64 Tuesday (seasonal averages high 57 low 44)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with evening rain likely (70%), a good (50%) chance of rain late tonight,
  • Partly cloudy with a good (50%) chance of AM rain, a slight (20%) chance of rain and a bit warmer Wednesday afternoon, partly cloudy with a slight (20%) chance of rain Wednesday night,
  • Some AM clouds, sunny and a bit cooler Thursday afternoon, clear in the evening, partly cloudy late at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of rain Friday afternoon, partly cloudy with a good (50%) chance of evening rain, then mostly cloudy with a good (50%) chance of rain late Friday night.
  • snow level 7,500 ft. tonight, 7,000 ft. Wednesday, 6,500 ft. Wednesday night, free air freezing level 8,000 ft. rising to 9,000 ft. Thursday, 10,000 ft. Thursday night, snow level 7,000 ft. Friday, then 7,500 ft. Friday night.
  • lows 34-32 warming 34 Friday highs 52-50 warming back to 52 Friday.
  • Mostly cloudy with rain and a bit cooler Saturday, snow and rain Saturday night,
  • Mostly cloudy with rain and snow likely (70%) and a bit cooler Sunday, partly cloudy with a good (50%) chance of evening rain and snow, a slight (20%) chance of  at night,
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain and snow Monday, a slight (20%) chance of evening snow, mostly cloudy with a slight (20%) chance of rain late Monday night,
  • Then mostly cloudy and a bit warmer with a good (50%) chance of rain Tuesday.
  • snow level 7,000 ft. Saturday, 6,000 ft. Saturday night, 4,500 ft. Sunday, 4,000 ft. Sunday night, 5,000 ft. Monday, then 7,000 ft. Monday night and Tuesday.
  • highs 46-37  warming to 50 Tuesday lows 29-26 warming to 32 Sunday night.