Feb
10.
Here is my weekly weather quiz question for the last time. What is “Permafrost?” Here is the correct answer. Permafrost is a layer of soil at varying depths below the surface in which the temperature has remained below freezing continuously from a few to several thousands of years.
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The Upper Level Low Pressure Trough has been moving eastward and has helped move the Atmospheric River southward away from California. The graphics for days 1-3 show a frontal system moving into Oregon Sunday. The graphics for days 3-7 Tuesday through Saturday show complex frontal systems approaching the Pacific Northwest.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 28 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 3 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 22 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT FROM THIS EVENING THROUGH LATE SUNDAY NIGHT FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON COAST.
- A BEACH HAZARDS STATEMENT FOR DANGEROUS SNEAKER WAVES IS IN EFFECT THROUGH LATE TONIGHT 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.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Partly cloudy this evening, mostly cloudy with a good (50%) chance of showers late tonight (under 0.10 in. of rain possible),
- Mostly cloudy with a good (50%) chance of AM rain, a good (50%) chance of showers and a bit cooler Sunday afternoon (under 0.10 in. of rain possible), mostly cloudy with a good (50%) chance of evening showers, a slight (20%) chance of showers late Sunday night (under 0.10 in. of rain possible),
- Clouds and sun with a slight (20%) chance of AM showers, a mix of clouds and sun Monday afternoon, partly cloudy at night,
- Partly cloudy Tuesday, a slight (20%) chance of evening showers, then mostly cloudy with a (40%) chance of showers late Tuesday night.
- lows 40-32 warming to 34 Tuesday night highs 53-50.
- A mix of clouds and sun and a bit warmer with a good (50%) chance of showers Wednesday (Valentine’s Day), mostly cloudy with a good (50%) chance of showers Wednesday night,
- A mix of clouds and sun with a (40%) chance of showers Thursday, mostly cloudy with a (30%) chance of evening showers, just mostly cloudy late at night,
- Mostly cloudy and a bit warmer with a (40%) chance of showers Friday, a good (50%) chance of showers Friday night,
- Mostly cloudy with a good (50%) chance of AM showers, then showers likely (70%) Saturday afternoon.
- highs 49-52 lows 34-38. (seasonal averages high 51 low 35)
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Home Wood Heating Advisory:
Eugene-Springfield: GREEN- Burning wood in wood stoves or fireplaces is allowed.
Oakridge: GREEN- Burning wood in wood stoves or fireplaces is allowed.
*Pellet stoves can be used anytime since they don’t produce the particulate smoke.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with patchy fog and a slight (20%) chance of showers late tonight,
- Mostly cloudy with patchy fog and a slight (20%) chance of showers and slightly cooler Sunday, patchy fog with a (30%) chance of showers Sunday night,
- Patchy AM fog, mostly cloudy and a bit warmer Monday, a partly cloudy at night,
- Partly cloudy and a bit warmer Tuesday, then mostly cloudy with a slight (20%) chance of rain Tuesday night.
- lows near 42-34 warming to 38 Tuesday night highs 55-53 warming back to 55 Tuesday.
- Mostly cloudy and a bit warmer with a (30%) chance of rain Wednesday (Valentine’s Day), a (40%) chance of rain Wednesday night,
- Mostly cloudy and a bit warmer with a (40%) chance of rain Thursday, a slight (20%) chance of rain at night,
- Mostly cloudy with a (30%) chance of rain Friday and in the evening, rain likely (70%) late Friday night,
- Then mostly cloudy with rain likely (70%) Saturday.
- highs 52-57 lows 38-40 (seasonal averages high 53 low 37).
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a (40%) chance of showers late tonight,
- Mostly cloudy with a good (50%) chance of showers Sunday (under 0.10 in. of rain possible), a slight (20%) chance of evening coastal showers and just mostly cloudy at night, while a (30%) chance of inland showers with patchy fog late Sunday night,
- Mostly cloudy and a bit warmer Monday, partly cloudy at night,
- Partly cloudy and a bit warmer Tuesday, then mostly cloudy with a slight (20%) chance of rain Tuesday night.
- lows 45-37 warming to 40 Tuesday night highs 54-57.
- Mostly cloudy and a bit cooler with a (40%) chance of rain Wednesday (Valentine’s Day), a (40%) chance of rain Wednesday night,
- Mostly cloudy and a bit cooler with a (40%) chance of rain Thursday, a (30%) chance of rain at night,
- Mostly cloudy and a bit warmer with a (40%) chance of rain Friday, rain likely (70%) Friday night,
- Then mostly cloudy with rain likely (70%) Saturday.
- highs near 56-58 lows 40-46. (seasonal averages high 54 low 41).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy this evening, becoming mostly cloudy late tonight,
- Mostly cloudy and a bit cooler with a good (50%) chance of showers Sunday and a (40%) chance of afternoon snow, a good (50%) chance of evening rain and snow showers, a slight (20%) chance of rain and snow showers late Sunday night,
- Clouds and sun with a slight (20%) chance of AM rain and snow showers, a mix of clouds and sun and a bit cooler Monday afternoon, partly cloudy at night,
- Partly cloudy and a bit warmer Tuesday, then partly cloudy with a slight (20%) chance of rain and snow showers Tuesday night.
- free air freezing level 7,500 ft. falling to 6,500 ft. late tonight, 5,500 ft. Sunday, 4,000 ft. Sunday night, 3,500 ft. Monday, 4,500 ft. falling to 4,000 ft. late Monday night, free air freezing level 6,500 ft. Tuesday, then 4,000 ft. Tuesday night.
- lows 27- 22 warming to 24 Tuesday night highs 39-42.
- A mix of clouds and sun and a bit cooler with a good (50%) chance of rain and snow showers Wednesday (Valentine’s Day), mostly cloudy with a good (50%) chance of rain and snow showers Wednesday night,
- A mix of clouds and sun with good (50%) chance of rain and snow showers and a bit cooler Thursday, mostly cloudy with a (40%) chance of rain and snow showers at night,
- A mix of clouds and sun and a bit warmer with a good (50%) chance of snow and rain showers Friday, mostly cloudy with a good (50%) chance of rain and snow showers Friday night,
- Then mostly cloudy and a bit warmer with with rain and snow showers likely (70%) Saturday.
- snow level 4,000 ft. Wednesday and Wednesday night, 3,500 ft. Thursday and Thursday night, then 4,000 ft. Friday through Saturday.
- highs 38-36 warming to 40 Saturday lows 24-30.
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