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Tim Chuey Weather

by | Nov 15, 2023 | Weather

November 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 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 frontal system that pushed through Pacific Northwest today. The graphics for days 3-7   Saturday through Wednesday show the complex frontal system that impacts our weather Saturday night and Sunday. A cold front will be just offshore next Wednesday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Partly cloudy with patchy fog late tonight,
  • Patchy AM fog,  a mix of clouds and sun Thursday afternoon, partly cloudy Thursday night,
  • patchy AM and late night fog, sunny and a bit warmer Friday afternoon, partly cloudy with a slight (20%) chance of evening rain, mostly cloudy with a good (50%) chance of rain late at night,
  • Mostly cloudy with a good (50%) chance of AM rain, rain and a bit cooler Saturday afternoon, then rain Saturday night.
  • lows 42-36 warming to 44 Saturday night highs 54-57 cooling to 55 Saturday.
  • A mix of clouds and sun a bit cooler with a good (50%)chance of rain Sunday, just partly cloudy Sunday night,
  • Mostly cloudy and a bit cooler Monday, mostly cloudy with a slight (20%) chance of rain late at night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain Tuesday, a good (50%) chance of rain Tuesday night,
  • Then mostly cloudy and a bit cooler with a good (50%) chance of rain Wednesday.
  • highs 54-57 cooling to 55 Tuesday lows 36-44. (seasonal averages high 53 low 38)

Forecast for the Umpqua Valley including Roseburg:

  • Partly cloudy with patchy late evening fog, mostly cloudy with patchy fog late tonight,
  • Some AM clouds with patchy fog, sunny Thursday afternoon, mostly clear in the evening, partly cloudy with patchy dense fog late Thursday night,
  • Patchy AM and late night fog, mostly sunny  with a slight (20%) chance of rain Friday afternoon, partly cloudy with a (30%) of evening, then mostly cloudy with a (30%) chance of rain at night,
  • Mostly cloudy with patchy AM fog and rain likely (70%), rain and a bit cooler Saturday afternoon and evening, then rain likely (70%) Saturday night,
  • lows 47-44 warming back to 47 Friday night, cooling to 45 Saturday night highs 62-58.
  • Partly cloudy and a bit cooler Sunday, partly cloudy Sunday night,
  • Partly cloudy and a bit warmer Monday, mostly cloudy in the evening, mostly cloudy Monday, partly cloudy late at night,
  • Partly cloudy and a bit warmer with a slight (20%) chance of rain Tuesday afternoon, mostly cloudy with a slight (20%) chance of rain Tuesday night,
  • Then mostly cloudy ad a bit cooler with a slight (20%) chance of rain Wednesday afternoon.
  • highs 54-60 cooling to 55 Wednesday lows 40-47. (seasonal averages high 54 low 41)

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

  • Partly cloudy with late evening patchy fog, mostly clear with patchy fog late tonight,
  • Patchy AM fog and late night fog, sunny and slightly warmer Thursday afternoon, mostly clear Thursday night,
  • Patchy AM sun with patchy fog, partly cloudy and a bit warmer with a slight (20%) chance of coastal rain and a bit cooler Friday afternoon while a slight (20%) chance of inland rain and a bit warmer Friday afternoon, mostly cloudy with a (40%) chance of coastal rain at night while partly cloudy with a good (50% ) chance of inland evening rain and mostly cloudy with inland rain likely (70%) late at night,
  • Mostly cloudy with patchy AM fog and rain likely (70%), rain and cooler with Saturday afternoon, then rain likely (70%) and colder Saturday night.
  • lows 45-48 cooling to 45 Sunday night highs 64-68 cooling to 62 Saturday.
  • Partly cloudy Sunday, partly cloudy Sunday night,
  • Partly cloudy and a bit warmer Monday, mostly cloudy in the evening, partly cloudy at night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of rain Tuesday, a slight (20%) chance of rain Tuesday night,
  • Then mostly cloudy and a bit cooler with a slight (20%) chance of rain Wednesday.
  • highs 62-66 cooling back to 62 Wednesday lows 45-48. (seasonal averages high 57 low 44)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy with a slight (20%) chance of rain late tonight,
  • Some AM clouds, sunny and a bit cooler Thursday afternoon, mostly clear with areas of frost late Thursday night,
  • Some AM clouds, mostly sunny and a bit warmer Friday afternoon, partly cloudy with a slight (50%) chance of evening rain, then mostly cloudy with a good (50%) chance of rain late at night,
  • Mostly cloudy with rain and a bit cooler Saturday, then snow and rain Saturday night,
  • snow level 7,000 ft. tonight, free air freezing level 9,000 ft. Thursday through Friday, snow level 7,500 ft. Friday night,7,000 ft. Saturday, then 5,500 ft. Saturday night.
  • lows 32-34 highs 49-52 cooling to 46 Saturday.
  • Mostly cloudy with AM rain and snow likely (70%), a good (50%) chance of rain and snow and a bit cooler Sunday afternoon, partly cloudy with a slight (20%) chance of evening rain and snow, just partly cloudy Sunday night.
  • A mix of clouds and sun and a bit warmer Monday, mostly cloudy with a slight (20%) chance of rain late at night,
  • A mix of clouds and sun and a bit warmer with a good (50%) chance of rain Tuesday, mostly cloudy with a good (50%) chance of rain Tuesday night,
  • Mostly cloudy with a good (50%) chance of AM rain, then rain likely (70%) and a bit cooler Wednesday afternoon.
  • snow level 4,500 ft. Sunday and Sunday night, free air freezing level 12,000 ft.  Monday, snow level 7,500 ft. Monday night through Tuesday night, then 7,000 ft. Wednesday.
  • highs 49-52 cooling to 45 Wednesday lows 28-34.