Here is my weekly weather quiz question for the last time. What is a “Tornado Family “? Here is the correct answer. A Tornado Family is a series of tornadoes produced by a single supercell, resulting in damage path segments along the same general line.
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An Upper Level High Pressure Ridge (“Arch” shape) is moving toward the Pacific Northwest as the Upper Level Low Pressure leaves.. The graphics for days 1-3 show the frontal system that moved over Oregon today and tonight. The graphics for days 3-7 Tuesday through Saturday show surface high pressure Tuesday through Wednesday, then a complex frontal system slides in between Thursday and Friday. A complex frontal system will be pushing to the coast next Saturday.
Note: Ski Report: Willamette Pass Ski announced it is open now for early season skiing 7- days a week. Hoodoo is open 9am til 4pm, and Mt. Ashland is open. Check their Web sites for specific mountain conditions and hours of operation.
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ADVISORIES:
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4 PM SUNDAY ABOVE 3,000 FT. FOR THE NORTH OREGON CASCADES.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 4PM SUNDAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON AND THE NORTHWEST BLUE MOUNTAINS.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 11 PM MST TONIGHT FOR MALHEUR COUNTY AND THE OREGON LOWER TREASURE VALLEY.
- A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT FROM EARLY SUNDAY MORNING THROUGH SUNDAY EVENING FOR BEACHES FOR THE CLATSOP COUNTY COAST, THE TILLAMOOK COUNTY COAST, AND AND THE CENTRAL COAST OF OREGON.
- A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON FOR THE SOUTH CENTRAL OREGON COAST, AND THE CURRY COUNTY COAST.
HEALTH ADVISORIES:
- 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.
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Mostly cloudy with patchy fog tonight,
- Mostly cloudy with a good (50%) chance of AM showers, a mix of clouds and sun and a bit cooler with a good (50%) chance of showers Sunday afternoon, mostly cloudy with evening patchy fog, partly cloudy with patchy fog late Sunday night,
- Patchy AM dense fog, mostly sunny and a bit cooler Monday afternoon, mostly cloudy with patchy fog Monday night,
- AM clouds and sun, mostly cloudy and a bit cooler Tuesday afternoon, then mostly cloudy Tuesday night.
- lows 37-28 warming to 32 Tuesday night highs 48-38.
- Mostly cloudy with a good (50%) chance of rain and a bit warmer Wednesday, rain likely (70%) Wednesday night,
- Mostly cloudy with rain likely (70%) Thursday, rain likely at night,
- Mostly cloudy and a bit cooler with rain likely (70%) Friday, rain Friday night,
- Then mostly cloudy and a bit cooler with rain Saturday.
- highs 49-47 lows near 38. (seasonal averages high 47 low 35)
Your College Football Weather Forecast:
Big 1G Championship Game-Saturday December 7 th:
Ducks vs Penn State Nittany Lions at Lucas Oil Stadium, Indianapolis, Indiana- Game time: 5:00 pm PST- Preliminary weather Forecast: Clear to Clear to partly cloudy 38 degrees, and a bit breezy, cooling as the game continues.
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HOME WOOD HEATING ADVISORY:
Eugene & Springfield: YELLOW – Caution is advised, be prepared to stop burning wood if the advisory changes to Red.
Oakridge and Westfir: YELLOW – Caution is advised, be prepared to stop burning wood if the advisory changes to Red.
The use of pellet stoves is always allowed.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with early evening rain likely (70%), a slight (20%) chance of rain with late tonight, patchy late evening fog continuing overnight tonight (snow level 3,000 ft.),
- Mostly cloudy with patchy fog and a (30%) chance of rain and a bit cooler Sunday (snow level 3,000 ft.), partly cloudy in the evening, mostly clear with patchy fog late Sunday night,
- Patchy AM fog, sunny and a bit cooler Monday afternoon, mostly clear in the evening, partly cloudy Monday night,
- Mostly cloudy and a bit warmer Tuesday, then mostly cloudy with a slight (20%) chance of rain Tuesday night,
- lows 39-32 warming to 36 Tuesday night highs 48-46 warming back to 48 Tuesday.
- Mostly cloudy and a bit warmer with a (30%) of rain Wednesday, mostly cloudy with a good (50%) chance of evening rain, rain likely (70%) Wednesday night.
- Mostly cloudy and a bit cooler with a good (50%) chance of rain Thursday, a good (50%) chance of rain at night,
- Mostly cloudy with a good (50%) chance of AM rain, rain likely (70%) and a bit cooler Friday afternoon, evening rain likely (70%), rain late Friday night,
- Then mostly cloudy and a bit warmer with rain Saturday.
- highs 52-48 warming to 50 Saturday lows near 40. (seasonal averages high 48 low 37)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a good (50%) chance of early evening rain, a slight (20%) chance of rain late tonight,
- Partly cloudy and slightly cooler with a (30%) chance of coastal rain while patchy dense AM inland fog and partly cloudy and slightly cooler with a slight (20%) chance of inland rain Sunday, becoming mostly clear late Sunday night,
- Sunny and a bit warmer Monday, mostly clear in the evening, partly cloudy late at night,
- Mostly cloudy and a bit warmer Tuesday, then mostly cloudy with a slight (20%) chance of rain Tuesday night.
- lows 39-35 warming to 38 Tuesday night highs 54-58.
- Mostly cloudy warmer with a (40%) chance of rain Wednesday, rain likely (70%) Wednesday night,
- Mostly cloudy and a bit cooler with a good (50%) chance of rain Thursday, a good (50%) chance of rain at night,
- Mostly cloudy and a bit cooler with rain likely (70%) Friday, rain Friday night,
- Then mostly cloudy and a bit warmer with rain Saturday.
- highs 58-55 warming to 57 Saturday lows 42-39 warming back to 42 Saturday. (seasonal averages high 53 low 41)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with a good (50%) chance of evening showers (0.25 in. of rain possible), mostly cloudy with patchy fog late tonight,
- Patchy dense AM fog, a mix of clouds and sun with a good (50%) chance of snow and rain showers and a bit cooler Sunday (under 0.10 in. of rain possible), partly cloudy with a slight (20%) chance of evening snow showers, just mostly clear late at night,
- Sunny and a bit warmer Monday, mostly clear at night,
- A mix of clouds and sun and a bit warmer Tuesday, then mostly cloudy Tuesday night.
- snow level 4,500 ft. this evening, 2,500 ft. Sunday and Sunday night, free air freezing level 7,500 ft. Monday, 9,000 ft. Monday night, 11,000 ft. Tuesday, then 10,00 ft. Tuesday night.
- lows 23-18 warming to 28 Tuesday night highs 32-42.
- A mix of clouds and sun with a (40%) chance of rain and snow Wednesday, then rain and snow likely (70%) Wednesday night.
- Mostly cloudy and a bit cooler with rain and snow likely (70%) Thursday, rain and snow likely (70%) Thursday night,
- Mostly cloudy with rain and snow likely (70%) Friday, rain and snow likely (70%) at night,
- Then mostly cloudy and a bit cooler with snow and rain Saturday.
- snow level 5,000 ft. Wednesday and Wednesday night, 4,000 ft. Thursday through Friday, 4,500 ft Friday night, then 4,000 ft. Saturday.
- highs 42-34 Friday lows 28-25 warming to 27 Friday night.