A slight chance of AM snow showers, clouds and sun & a bit cooler today.

Check out my latest Eugene Daily News “Weather Or Not” column now at:

(If it is unavailable it is due to site maintenance.)

There’s No Stupid Question. Stupid Is If It’s Not Asked.

Here is my weekly weather quiz question. What is  “Radiation Fog?“  The First person to post the correct answer as a comment will win a week of free personalized weather forecasts tailored to your needs.

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ADVISORIES:

  • A BLIZZARD WARNING IS IN EFFECT FOR THE SOUTH CENTRAL OREGON CASCADES UNTIL 1 AM TODAY.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL NOON TODAY FOR THE NORTHERN OREGON CASCADES, THE CASCADES IN LANE COUNTY.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 PM TODAY ABOVE 2,500 FT FOR CENTRAL DOUGLAS COUNTY,  EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS,
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 PM TODAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN,  CENTRAL AND EASTERN LAKE COUNTY.
  • A WINTER STORM WARNING IS IN EFFECT UNTIL 4 AM THURSDAY FOR THE OCHOCO AND THE JOHN DAY HIGHLANDS, THE EAST SLOPES OF THE OREGON CASCADES, CENTRAL OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS, AND NORTH CENTRAL OREGON.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY ABOVE 1,000 FT. FOR CENTRAL DOUGLAS COUNTY,   JACKSON COUNTY, THE SOUTHERN OREGON CASCADES, AND THE SISKIYOU MOUNTAINS
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM TODAY FOR BELOW 2,500 FT. FOR EASTERN CURRY COUNTY, JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE UPPER HOOD RIVER VALLEY, THE NORTHERN OREGON CASCADES FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY, AND THE CENTRAL COLUMBIA RIVER GORGE.
  • A WIND ADVISORY IS IN EFFECT UNTIL 1 AM TODAY FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE CENTRAL COLUMBIA RIVER GORGE, THE NORTHERN CASCADES FOOTHILLS, THE CASCADES FOOTHILLS IN LANE COUNTY, THE UPPER HOOD RIVER VALLEY.
  • A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 10 AM TODAY ABOVE 1,500 FT. FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.

HEALTH ADVISORIES:

  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR NORTH TENMILE LAKE IN COOS COUNTY  AND SOUTH TENMILE LAKE IN COOS COUNTY  DUE TO THE PRESENCE OF A CYANOBACTERIAL (HARMFUL ALGAE) BLOOM AND CYANOTOXINS (HARMFUL ALGAE TOXINS) ABOVE RECREATIONAL GUIDELINE VALUES FOR HUMAN EXPOSURE. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE WHERE BLOOMS ARE IDENTIFIED. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH COULD LEAD TO INHALATION RISK. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH.
  • A PUBLIC HEALTH ADVISORY REMAINS IN EFFECT FOR WATER CONTACT AT NESKOWIN BEACH IN TILLAMOOK COUNTY DUE TO HIGHER-THAN-NORMAL LEVELS OF FECAL BACTERIA. FECAL BACTERIA CAN CAUSE DIARRHEA, STOMACH CRAMPS, SKIN RASHES, UPPER RESPIRATORY INFECTIONS AND OTHER ILLNESSES. PEOPLE SHOULD AVOID DIRECT CONTACT WITH THE WATER IN THIS AREA UNTIL THE ADVISORY IS LIFTED. 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.
  • RECREATIONAL USE HEALTH ADVISORIES REMAIN IN EFFECT FOR THE HOWARD’S BAY AREA OF UPPER KLAMATH LAKE IN KLAMATH COUNTY DUE TO THE PRESENCE OF AS CYANOBACTERIAL (HARMFUL ALGAE) BLOOM AND CYANOTOXINS (HARMFUL ALGAE TOXINS) ABOVE RECREATIONAL GUIDELINE VALUES FOR HUMAN EXPOSURE. PEOPLE SHOULD AVOID SWIMMING AND HIGH-SPEED WATER SKIING OR POWER BOATING, IN AREAS OF THE LAKE WHERE BLOOMS ARE IDENTIFIED. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY, WHICH COULD LEAD TO INHALATION RISK. ALTHOUGH TOXINS ARE NOT ABSORBED THROUGH THE SKIN, PEOPLE WHO HAVE SKIN SENSITIVITIES MAY EXPERIENCE A PUFFY RED RASH.
  • A PRECAUTIONARY RECREATIONAL USE HEALTH ADVISORY FOR THE 2019 CYANOBACTERIAL (HARMFUL ALGAE) BLOOM SEASON REMAINS IN EFFECT FOR LAKE BILLY CHINOOK IN JEFFERSON COUNTY DUE TO CYANOBACTERIAL BLOOMS THAT ROUTINELY DEVELOP IN THE LAKE. NO BLOOMS HAVE BEEN DETECTED AT THIS TIME, BUT BLOOMS CAN DEVELOP THROUGHOUT THE SEASON AND IN AREAS THAT ARE NOT VISUALLY MONITORED BY JEFFERSON COUNTY , OREGON STATE PARKS, OR THE U.S. FOREST SERVICE. THE ADVISORY WILL REMAIN IN EFFECT THROUGH NOVEMBER 1, 2019.
  • 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.

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THE WEATHER PATTERN:

An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) continues moving eastward and will be followed by another trough. The graphics for days 1-3 show a frontal system hitting Oregon Tuesday and today. The supper strong low is often called a “bomb cyclone.” The graphics for days 3-7 show a complex frontal system offshore Saturday, moving onshore Sunday and Monday.

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THE AIR QUALITY INDEX:

For the local area:

Eugene/Springfield: The Air Quality Index is 31 in the Good category measuring Particulate Matter.

Oakridge: The Air Quality Index is 65 in the Moderate category measuring Particulate Matter.

Cottage Grove: The Air Quality Index is 17 in the Good category measuring Particulate Matter.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Home Wood Heating Advisory

Posted Daily

Eugene-Springfield: GREEN – Burning is Allowed.

Oakridge: GREEN – Burning is Allowed.

*Note: Pellet stoves may be used anytime if they produce no visible emissions.

Data courtesy of Lane Regional Air Protection Agency (LRAPA)

 

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FORECASTS:

Forecast for the Southern Willamette Valley including Eugene and Springfield:

  • Cloudy with a slight (20%) chance of AM snow showers (no accumulation expected), a mix of clouds and sun and a bit cooler this afternoon, just mostly cloudy this evening, partly cloudy and colder late tonight and Thursday AM (Thanksgiving Day), mostly sunny and a bit cooler in the afternoon, mostly clear Thursday night,
  • Mostly sunny and a bit cooler Friday, then mostly clear Friday night.
  • highs 40-38 lows 24-22 warming to 25 Friday night.
  • Mostly cloudy Saturday with a slight (20%) chance of rain and snow in the afternoon, a good (50%) chance of evening rain and snow, a good (50%) of rain late Saturday night,
  • Mostly cloudy with a good (50%) chance of rain and a bit warmer Sunday, a (40%) chance of rain Sunday night and and a bit warmer Monday, then mostly cloudy with a slight (20%) chance of showers late Monday night,
  • Then mostly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday.
  • highs 38-47 lows 32-36. (seasonal averages high 49 low 36)

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Your College Football Forecast    

Saturday November 30th: THE CIVIL WAR GAME

Ducks vs Oregon State, at Autzen Stadium,– Kickoff: 1:00 PM, Mostly cloudy 35, warming to 38 then cooling through the rest of the game, a slight chance of rain and snow.

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Forecast for the Umpqua Valley including Roseburg

  • Mostly cloudy AM rain and snow showers, a good (50%) chance of rain and snow showers and a bit cooler this afternoon, (under 0.10 in. of rain possible, 1 in. of snow lower elevations while 1-2 in. of snow above 1,500 ft., snow level 300 ft. rising to 800 ft. this afternoon), a slight (20%) chance of evening snow showers, just mostly cloudy late tonight and Thursday AM, sunny and a bit cooler in the afternoon (Thanksgiving Day), mostly clear in the evening, partly cloudy late Thursday night,
  • Sunny Friday, mostly clear in the evening, then partly cloudy late Friday night.
  • highs 39-36 lows 25-22 warming back to 25 Friday night.
  • Mostly cloudy with a slight (20%) chance of rain and snow and a bit warmer Saturday, a good (50%) chance of rain and snow Saturday night,
  • A (40%) chance of AM rain and snow showers, a bit warmer with a (40%) chance of showers Sunday afternoon, cloudy with a (40%) chance of rain at night,
  • Mostly cloudy with a slight (20%) chance of AM rain, a slight (20%) chance of showers and a bit warmer Monday afternoon and evening, then just mostly cloudy Monday night and Tuesday (and a bit warmer).
  • highs 42-49 lows near 34 (seasonal averages high 50 low 39)

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

  • Mostly cloudy with a (40%) chance of AM coastal rain and snow showers with a slight (20%) chance of afternoon coastal showers and a bit warmer this afternoon while a (40%) chance of inland rain and snow showers today (under 0.10 in. of rain possible, snow level 400 ft. rising to 900 ft. in the afternoon), mostly cloudy this evening, partly cloudy late tonight,
  • Some AM clouds, mostly sunny Thursday (Thanksgiving Day), mostly clear at night,
  • Sunny Friday, partly cloudy in the evening, then mostly cloudy Friday night.
  • high near 45 lows 29-25 warming to 32 Friday night.
  • Mostly cloudy with a slight (20) chance of AM rain and snow, a bit warmer with a (40%) chance of rain Saturday afternoon, a good (500%) chance of rain Saturday night,
  • A bit warmer with a good (50%) chance of showers Sunday, a good (50%) chance of rain at night,
  • Mostly cloudy with a (40%) chance of AM rain, a slight (20%) chance of showers and a bit warmer Monday afternoon, mostly cloudy with a slight (20%) chance of evening showers, partly cloudy with a slight (20%) chance of showers late Monday night,
  • Some AM clouds, then mostly cloudy and a bit warmer Tuesday afternoon.
  • highs 49-56 lows 35-37. (seasonal averages high 53 low 41)

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Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly cloudy with snow showers and a bit cooler today (2 in. of snow possible), a good (50%) chance of snow showers tonight,
  • A slight (20%) chance of AM snow showers, a mix of clouds and sun Thursday afternoon (Thanksgiving Day), just partly cloudy Thursday night,
  • Then partly cloudy Friday and Friday night.
  • highs near 25 lows 14-11.
  • snow level at the surface today through Thursday morning, free air freezing level at the surface Thursday night and Friday, then 2,000 ft. falling to the surface Friday night.
  • Mostly cloudy Saturday with a slight (20%) chance of snow, cloudy with a good (50%) chance of snow Saturday night,
  • A good (50%) chance of AM snow, a good (50%) chance of rain and snow and a bit warmer Sunday afternoon and at night,
  • Mostly cloudy and a bit warmer with a good (50%) chance of rain and snow showers Monday, a slight (20%) chance of rain and snow showers at night,
  • Then a mix of clouds and sun with a slight (20%) chance of rain and snow showers and a bit warmer Tuesday.
  • snow level at the surface Saturday, 2,000 ft. Saturday night, 2,000 ft. rising to 3,500 ft. Sunday, 4,500 ft. late Sunday night, 4,000 ft. rising to 5,000 ft. Monday, 5,000 ft. falling to 4,500 ft. Monday night, then 4,000 ft. rising to 4,500 ft. Tuesday.
  • highs 26-33 warming to 37 Tuesday lows 22-24.

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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 change due to unexpected changes in atmospheric conditions, so there are no guarantees that the actual weather will conform to the projected forecast.

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For all of your Lane County and Eugene-Springfield News, Weather and Sports go to: eugenedailynews.com

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