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Tim Chuey Weather

by | Dec 3, 2023 | Weather

December 3, 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 AVALANCHE  WARNING IS IN EFFECT THROUGH 6 PM THIS EVENING FOR ALL ELEVATIONS OF MT. HOOD.
  • A FLOOD WARNING IS IN EFFECT UNTIL MONDAY MORNING FOR THE SIUSLAW RIVER NEAR MAPLETON AFFECTING LANE COUNTY.
  • A FLOOD WARNING IS IN EFFECT FROM MONDAY MORNING UNTIL TUESDAY MORNING FOR THE COQUILLE RIVER AT COQUILLE AFFECTING COOS  COUNTY.
  • A FLOOD ADVISORY IS IN EFFECT UNTIL 4 AM MONDAY FOR COOS COUNTY, CURRY COUNTY, DOUGLAS COUNTY, AND JOSEPHINE COUNTY.
  • A WIND ADVISORY IS IN EFFECT UNTIL 8 PM TONIGHT FOR NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN, CENTRAL AND EASTERN 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 WEDNESDAY MORNING 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.
  • A FLOOD WATCH IS IN EFFECT THROUGH WEDNESDAY AFTERNOON THE SOUTH CENTRAL OREGON COAST, THE CURRY COUNTY COAST, CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY, AND JOSEPHINE 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 then moving in Tuesday. The graphics for days 3-7  Wednesday through Sunday show a very active weather pattern through Thursday night, a short break Friday, then more fronts Saturday and next Sunday.

Note: Due to the heavy rains an Avalanche warning is in effect for until 6 pm today for Mt. Hood.

________________

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Mostly cloudy with rain tonight (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with rain Monday (0.10 in. of rain possible), rain Monday night (0.50 in. of rain possible),
  • Mostly cloudy with rain Tuesday (0.50 in. of rain possible), rain at night (1.00 in. of rain possible),
  • Mostly cloudy and a bit cooler with rain Wednesday, then rain with a slight (20%) chance of thunderstorms Wednesday night.
  • lows 53-55 cooling to 43 Wednesday night highs 62-55.
  • Mostly cloudy and a bit cooler with rain Thursday, rain Thursday night,
  • Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain Friday afternoon, mostly cloudy with a good (50%) chance of rain at night,
  • Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) Saturday afternoon, rain likely (70%) Saturday night,
  • Then mostly cloudy with rain likely (70%) and a bit warmer Sunday.
  • highs 48-50 lows 38-36 warming to 42 Saturday night. (seasonal averages high 48 low 35)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly cloudy with showers and patchy dense evening fog, tonight (0.10 in. of rain possible ),
  • Mostly cloudy with showers and slightly cooler Monday (0.10 in. of rain possible) and in the evening, rain late Monday night (under 0.10 in. of rain possible),
  • Mostly cloudy and a bit warmer with rain Tuesday (0.10 in. of rain possible), rain at night (0.50 in. of rain possible),
  • Mostly cloudy and a bit cooler with rain and a slight (20%) chance of thunderstorms Wednesday (possible heavy rain in storms), then rain Wednesday night.
  • lows 52-54 cooling to 50 Wednesday night highs 59-62 cooling to 54 Wednesday.
  • Mostly cloudy with rain and a bit cooler Thursday and in the evening, rain and snow likely (70%) late Thursday night,
  • Mostly cloudy with AM rain and snow likely (70%), a good (50%) chance of rain and snow and a bit cooler Friday afternoon, a (40%) chance of rain and snow at night,
  • Mostly cloudy and a bit warmer with a (40%) chance of rain Saturday, rain likely (70%) Saturday night,
  • Then mostly cloudy and a bit with rain likely (70%) Sunday.
  • highs 47-45 warming to 49 Sunday lows 38-43. (seasonal averages high 49 low 38)

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

  • Mostly cloudy with showers (0.25 in. of rain possible),
  • Mostly cloudy with showers (under 0.10 in. of rain possible)and a bit warmer Monday, showers (0.10 in. of rain possible) and breezy Monday night (Wind: S 15-25 mph),
  • Mostly cloudy with rain (1.25 in. of rain possible) and breezy Tuesday (Wind: S 15-25 mph gusts 40 mph late morning and afternoon), rain at night (1.50 in. of rain possible) and breezy (Wind: S 15-25 mph decreasing to S 10-15 mph late at night,
  • Mostly cloudy with showers and a slight (20%) chance of thunderstorms a bit cooler Wednesday and in the evening, then a good (50%) chance of rain late Wednesday night.
  • lows 54-44 highs 65-60.
  • Mostly cloudy and a bit cooler with rain Thursday, rain Thursday night,
  • Mostly cloudy with AM rain likely (70%), a good (50%) chance of rain and a bit cooler Friday afternoon, a (40%) chance of rain at night,
  • Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit warmer Saturday afternoon, rain likely (70%) Saturday  night,
  • Then mostly cloudy with rain likely (70%)  Sunday.
  • highs 56-58 lows 40-45. (seasonal averages high 54 low 41)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with rain tonight (0.75 in. of rain possible),
  • Mostly cloudy with rain and a bit warmer Monday (0.25 in. of rain possible), rain Monday night (0.25 in. of rain possible),
  • Mostly cloudy and a bit warmer with rain Tuesday, rain at night,
  • Mostly cloudy with AM rain and a slight (20%) chance of snow, snow and a bit cooler Wednesday afternoon, then rain and snow Wednesday night.
  • snow level 8,000 ft. tonight, above 8,000 ft. Monday through Tuesday, 7,000 ft.Tuesday night, 6,000 ft. Wednesday, then 4,000 ft. Wednesday night,.
  • lows 36-38 cooling to 36 Tuesday night highs near 40-44.
  • Mostly cloudy and a bit cooler with snow and rain Thursday, evening snow and rain, a good (50%) of rain and snow Thursday 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 snow and rain at night,
  • Mostly cloudy with a good 50(%) chance of AM rain and snow, a bit warmer with rain and snow likely (70%) Saturday, rain and snow likely (70%) Saturday night,
  • Then mostly cloudy and a bit warmer with rain and snow likely (70%) Sunday.
  • snow level 3,500 ft. Thursday, 3,000 ft. Thursday night, 2,500 ft. Friday and Friday night, 4,000 ft. Saturday, then 5,000 ft. Saturday night and Sunday.
  • highs 38-29 warming to 32 Saturday lows 34-29 warming to 32 Saturday.