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Tim Chuey Weather

by | Dec 2, 2023 | Weather

December 2, 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

  • A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM TONIGHT ABOVE 5,500 FT. FOR THE SOUTH CENTRAL OREGON CASCADES, THE SISKIYOU MOUNTAINS, THE SOUTHERN OREGON CASCADES.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 10 PM TONIGHT ABOVE 3,000 FT. FOR THE NORTHERN OREGON CASCADES AND THE CASCADES IN LANE COUNTY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 AM SUNDAY MAINLY ABOVE 4,000 FT. FOR THE OCHOCO AND THE JOHN DAY HIGHLANDS.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 10 AM SUNDAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT IS IN EFFECT UNTIL 4 AM SUNDAY FOR THE SOUTHERN BLUE MOUNTAINS OF OREGON.
  •  WIND ADVISORY IS IN EFFECT UNTIL 4 AM SUNDAY FOR CENTRAL AND EASTERN LAKE COUNTY.
  • A WIND ADVISORY IS IN EFFECT FROM 4 AM UNTIL 4 PM SUNDAY FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY.
  • A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT THROUGH LATE WEDNESDAY NIGHT FOR THE NORTH CENTRAL OREGON COAST AND THE CENTRAL OREGON COAST.
  • A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT THROUGH LATE MONDAY NIGHT FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A FLOOD WATCH IS IN EFFECT THROUGH WEDNESDAY AFTERNOON FOR THE NORTH OREGON COAST, THE CENTRAL OREGON COAST, THE COAST RANGE OF NORTHWEST OREGON, THE CENTRAL COAST RANGE OF NORTHWEST OREGON, THE LOWER COLUMBIA, THE GREATER PORTLAND METRO AREA, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE NORTHERN OREGON CASCADE FOOTHILLS, AND THE CASCADE FOOTHILLS IN LANE COUNTY.

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

Frontal systems are moving through Oregon bringing rain and they will be pushed by Atmospheric Rivers. The graphics for days 1-3  show a cold front pushing through the Pacific Northwest then slowly moving backward to the northwest and becoming stationary. Another complex frontal system will approach the coast Monday. The graphics for days 3-7  Tuesday through Saturday show an active weather pattern through the period.

________________

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with rain tonight (1.50 in. of rain possible)
  • Mostly cloudy and a bit warmer with rain Sunday (1.50 in. of rain possible), rain Sunday night (0.25 in. of rain possible ),
  • Mostly cloudy with rain Monday, rain at night,
  • Mostly cloudy and a bit cooler with rain Tuesday, then rain Tuesday night.
  • lows 48-54 cooling to 49 Tuesday night highs 58-62 cooling to 60 Tuesday.
  • Mostly cloudy and a bit cooler with rain Wednesday, rain Wednesday night,
  • Mostly cloudy and a bit cooler with rain Thursday, rain at night,
  • Mostly cloudy and a bit cooler with rain likely (70%) Friday, partly cloudy with a good (50%) chance of evening rain, a good (50%) chance of rain and a (40%) chance of snow late Friday night,
  • Mostly cloudy and a bit cooler with a (40%) chance of AM rain and snow, then a (40%) chance of rain Saturday afternoon.
  • highs 54-45 lows 43-33. (seasonal averages high 48 low 35)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with showers and patchy dense fog tonight (1.00 in. of rain possible)
  • Mostly cloudy with showers Sunday (1.25 in. of rain possible), showers Sunday night (0.50in. of rain possible ),
  • Mostly cloudy with showers and a bit warmer Monday, a good (50%) chance of evening showers, rain likely (70%) at night,
  • Mostly cloudy and a bit warmer with rain Tuesday, then rain Tuesday night.
  • lows 50-54 cooling back to 50 Tuesday night highs 56-62.
  • Mostly cloudy and a bit cooler with showers Wednesday, evening showers showers likely (70%) late at night,
  • Mostly cloudy with AM showers likely (70%), showers and a bit cooler Thursday afternoon and evening, rain and snow showers late Thursday night,
  • Mostly cloudy with AM rain and snow showers likely (70%), a good (50%) chance of rain and snow showers and a bit cooler Friday afternoon, a (40%) chance of rain and snow showers Friday night,
  • Mostly cloudy with a (40%) chance of AM rain and snow showers, then a (30%) chance of showers Saturday afternoon.
  • highs 54-45 lows 44-35. (seasonal averages high 49 low 38)

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

  • Mostly cloudy and a bit warmer with showers (1.50 in. of rain possible, heavy rainfall possible) and windy (Wind: SW 20-30 mph tonight ,
  • Mostly cloudy with AM showers, rain and windy (Coastal Wind: S 20-30 mph while inland wind: SW 20-30 mph decreasing to SW 10-20 mph in the afternoon) a bit warmer Sunday afternoon (1.25 in. of rain possible), showers (0.50 in. of rain possible) and breezy Sunday night (Coastal Wind: S 15-25 mph while inland Wind: S 15-25 mph decreasing to S 10-20 mph late at night),
  • Mostly cloudy with showers and breezy (Wind: S 15-25 mph) and a bit warmer Monday, coastal showers at night while inland evening showers and inland rain late Monday night,
  • Mostly cloudy and a bit warmer with rain and breezy Tuesday, then rain Tuesday night.
  • lows 52-55 cooling to 50 Tuesday night highs 62-67.
  • Mostly cloudy with showers and a bit cooler Wednesday, showers Wednesday night,
  • Mostly cloudy and a bit cooler with showers Thursday, evening showers, showers likely (70%) late at night,
  • Mostly cloudy with AM showers likely (70%), a good (50%) chance of showers and a bit cooler Friday afternoon, a (40%) chance of showers Friday night,
  • Then mostly cloudy with a (40%) chance of rain Saturday.
  • highs 60-55 lows 46-36. (seasonal averages high 54 low 41)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with rain heavy at times late and tonight and breezy (Pass Wind: SW 10-15 mph gusts to 30 mph increasing to SW 20-25 mph gusts to 40 mph late) (2 in.+ of rain possible),
  • Mostly cloudy with AM possibly heavy at times, rain (2 in. + of rain possible) and breezy (Pass Wind: SW 15-25 mph gusts to 45 mph) and a bit cooler Sunday, rain Sunday night (0.75 in. of rain possible),
  • Mostly cloudy with rain and a bit warmer Monday, rain at night,
  • Mostly cloudy and a bit warmer with rain Tuesday and Tuesday night.
  • snow level 6,000 ft. rising to 7,500 ft. late tonight, 7,500 ft. Sunday, 8,000 ft. Sunday night, above 8,000 ft. Monday through Tuesday night.
  • lows 32-38 cooling to 36 Tuesday night highs near 40-44.
  • Mostly cloudy with AM rain and a slight (20%) chance of snow, rain and snow and a bit cooler Wednesday afternoon, rain and snow Wednesday night,
  • Mostly cloudy and a bit cooler with snow and rain Thursday, snow and rain at night,
  • Mostly cloudy with snow likely (70%) and a slight (20%) chance of AM rain, a bit cooler with rain likely (70%) Friday afternoon, a good (50%) chance of rain and snow Friday night,
  • Then a mix of clouds and sun and a bit cooler with a (40%) chance of snow and rain Saturday.
  • snow level  6,000 ft. Wednesday, 5,000 ft. Wednesday night, 4,000 ft. Thursday, 3,500 ft. Thursday night, 3,000 ft. Friday, then 2,500 ft. Friday night and Saturday.
  • highs 38-29 warming to 32 Saturday lows 34-29 warming to 32 Saturday.