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Tim Chuey Weather

by | Oct 10, 2023 | Weather

October 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

  • An Upper Level Low Pressure Trough will enhance the moisture of approaching frontal systems. The graphics for days 1-3  show a frontal system moving through today. The graphics for days 3-7  Friday through Tuesday show frontal systems moving into the Pacific Northwest Saturday, Sunday and next Tuesday.
  • Note: LRAPA has delayed the Fall Outdoor Burning Season until tomorrow Wednesday October 11th.

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 Upper Level Low Pressure Trough will enhance the moisture of approaching frontal systems. The graphics for days 1-3  show a frontal system moving through today. The graphics for days 3-7  Friday through Tuesday show frontal systems moving into the Pacific Northwest Saturday, Sunday and next Tuesday.

Note: LRAPA has delayed the Fall Outdoor Burning Season until tomorrow Wednesday October 11th.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with evening showers likely (70%) with a slight (20%) chance of thunderstorms possible, (gusty winds with small hail possible), showers and a slight (20%)  chance of thunderstorms late tonight (0.75 in. of rain possible, more in storms, gusty winds with small hail possible),
  • Mostly cloudy and a bit cooler with showers and a slight (20%) chance of thunderstorms Wednesday (0.75 in. of rain possible, gusty winds and small hail possible), evening showers with a slight (20%) chance of thunderstorms (gusty winds with small hail possible), patchy fog with a (40%) chance of showers late Wednesday night (under 0.10 in. of rain possible, more in storms),
  • Mostly cloudy with patchy AM fog, partly cloudy and a bit warmer Thursday, partly cloudy Thursday night,
  • A mix of clouds and sun with a (40%) chance of rain Friday afternoon, rain likely (70%) Friday night.
  • lows 52-44 warming to 50 Friday night highs 62-69.
  • Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit cooler Saturday afternoon, rain likely (70%) Saturday night,
  • Mostly cloudy with AM rain likely (70%) Sunday, a bit warmer a good (50%) chance of rain Sunday afternoon, a good (50%) chance of rain at night,
  • Mostly cloudy with good (50%) chance of AM, rain likely (70%) and a bit warmer Monday afternoon, rain likely (70%) Monday night,
  • Then mostly cloudy and a bit cooler with rain likely (70%) Tuesday.
  • highs 67-69 cooling to 66 Tuesday lows near 53. (seasonal averages high 67 low 43)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with showers and a slight (20%) chance of thunderstorms tonight (0.25 in. of rain possible),
  • Cloudy with AM showers and a slight (20%) chance of thunderstorms, showers likely (70%) and a bit cooler Wednesday afternoon (0.10 in. of rain possible), mostly cloudy with a good (50%) chance of showers at night (under 0.10 in. of rain possible),
  • Partly cloudy and warmer Thursday, partly cloudy in the evening, mostly cloudy late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance of showers Friday, then rain likely (70%) Friday night,
  • lows 52-47 cooling back to 52 Friday night highs 60-72 cooling to 70 Friday.
  • Mostly cloudy and a bit cooler with showers likely (70%) Saturday, rain likely (70%) Saturday night,
  • Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit warmer Sunday afternoon, cloudy with a good (50%) of evening rain, a (40%) chance of showers late at night,
  • Mostly cloudy with a good (50%) chance of AM showers, showers Monday afternoon, just mostly cloudy Monday night,
  • Then mostly cloudy and a bit cooler Tuesday.
  • highs 69-72 cooling to 68 Tuesday lows near 55. (seasonal averages high 69 low 46)

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

  • Mostly cloudy with showers and a slight (20%) chance of thunderstorms tonight (0.50 in. of rain possible),
  • Cloudy with AM showers and a slight (20%) chance of thunderstorms, showers likely (70%) Wednesday afternoon (0.10 in. of rain possible), mostly cloudy a good (50%) chance of showers Wednesday night (under 0.10 in. of rain possible,
  • Mostly cloudy start, partly cloudy and warmer Thursday afternoon and evening, mostly cloudy late at night,
  • Mostly cloudy and a bit cooler with a slight (20%) chance  of showers Friday afternoon, then rain likely (70%) Friday night.
  • lows 53-49 warming back to 53 Friday night highs 65-72 cooling to 68 Friday.
  • Mostly cloudy and a bit warmer with showers likely (70%) Saturday, rain likely (70%) Saturday night,
  • Mostly cloudy with AM rain likely (70%), a bit warmer with a good (50%) chance of rain Sunday afternoon, cloudy with a good (50%) of evening rain, a good (50%) chance of showers late at night,
  • Mostly cloudy with a good (50% ) chance of AM showers, showers and a bit warmer Monday afternoon, just mostly cloudy Monday night,
  • Then mostly cloudy and a bit cooler Tuesday.
  • highs 69-73 cooling back to 69 Tuesday lows 54-56 cooling back to 54 Monday night. (seasonal averages high 64 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with showers and snow showers with a slight (20%) chance of thunderstorms tonight (1.00 in. of rain possible, gusty winds and small hail possible, 1 in. of snow possible),
  • Mostly cloudy with rain and snow showers and a bit cooler Wednesday (1.5 in. of rain possible, 1 in. of snow possible, afternoon snow possibly heavy at times), showers with patchy fog late Wednesday night (0.50 in. of rain possible),
  • Patchy AM fog, partly cloudy and a bit warmer Thursday, partly cloudy at night,
  • A mix of clouds and sun and a bit warmer with a slight (20%) chance of rain Friday afternoon, then mostly cloudy with rain likely (70%) Friday night, snow level 8,000 ft. Friday, and above 8,000 ft. Friday night.
  • snow level 5,500 ft. tonight, 6,000 ft. Wednesday, 6,500 ft. Wednesday night, free air freezing level 8,000 ft. rising to 10,000 ft. Thursday afternoon, 11,000 ft. rising to 12,000 ft. late Thursday night,
  • lows 33-38 highs 40-56.
  • Mostly cloudy and a bit cooler with rain likely (70%) Saturday and Saturday night,
  • Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit warmer Sunday afternoon and at night,
  • Mostly cloudy with a good (50%) chance of rain and a bit warmer Monday, rain Monday night,
  • Then mostly cloudy and a bit cooler with rain likely (70%) Tuesday.
  • snow level above 8,000 ft. Saturday, 8,000 ft. Saturday night, above 8,000 ft. Sunday through Monday night, then snow level 8,000 ft. Tuesday.
  • highs 52-57 cooling to 48 Tuesday lows 39-42 cooling to 40 Monday night.