Feb
09.
- 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 34 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 20 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 44 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 AFTERNOON THROUGH LATE TONIGHT FOR THE SOUTH CENTRAL OREGON COAST AND THE 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 with patchy AM fog, sunny and a bit warmer this afternoon, partly cloudy with a slight (20%) chance of evening showers, mostly cloudy with showers likely (70%) late tonight,
- Mostly cloudy with a good (50%) chance of showers Sunday (under 0.10 in. of rain possible), mostly cloudy with a slight (20%) chance of showers at night,
- A mix of clouds and sun with a slight (20%) chance of showers Monday, then partly cloudy with a slight (20%) chance of showers late Monday night.
- highs near 52 lows 38-34.
- A mix of clouds and sun with a (30%) chance of showers Tuesday, mostly cloudy with a (40%) chance of showers Tuesday night,
- Mostly cloudy and a bit warmer with a good (50%) chance of showers Wednesday (Valentine’s Day), a good (50%) chance of showers at night,
- Mostly cloudy with a good (50%) chance of showers Thursday, a (40%) chance of rain Thursday night,
- Then mostly cloudy and a bit warmer with a good (50%) chance of rain Friday.
- highs 52-55 lows 38-42. (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 a slight (20%) chance of evening showers, just mostly cloudy with patchy dense evening fog continuing late tonight,
- Some AM clouds with patchy fog, sunny and a bit warmer Saturday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late Saturday night,
- Mostly cloudy with a slight (20%) chance of rain Sunday and in the evening, just mostly cloudy at night,
- Mostly cloudy start, partly cloudy and a bit warmer Monday afternoon, then a slight (20%) chance of rain late Monday night.
- lows near 39-40 cooling to 37 Monday night highs near 54.
- Mostly cloudy with a slight (20%) chance of AM rain, partly cloudy and a bit warmer with a slight (20%) chance of rain Tuesday afternoon , a (30%) chance of rain Tuesday night,
- Mostly cloudy and a bit warmer with a (30%) chance of rain Wednesday (Valentine’s Day), a (40%) chance of rain at night,
- Mostly cloudy and a bit warmer with a (40%) chance of Thursday through Friday.
- highs 55-60 lows near 43 (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 patchy AM fog, sunny and a bit warmer this afternoon, partly cloudy this evening, mostly cloudy with a slight (20%) chance of rain late tonight,
- Mostly cloudy with a slight (20%) chance of rain and a bit cooler Sunday (under 0.10 in. of rain possible), mostly cloudy in the evening, partly cloudy at night,
- Partly cloudy and a bit warmer Monday, mostly cloudy in the evening, then partly cloudy with a slight (20%) chance of rain late Monday night.
- highs 56-54 warming back to 56 Monday lows 43-39.
- Partly cloudy and a bit warmer with a slight (20%) chance of rain Tuesday, mostly cloudy with a (30%) chance of rain Tuesday night,
- Mostly cloudy and a bit warmer with a (40%) chance of rain Wednesday (Valentine’s Day), a good (50%) chance of rain at night,
- Mostly cloudy with a (40%) chance of rain Thursday, a (40%) chance of rain Thursday night,
- Then mostly cloudy and a bit warmer with a good (50%) chance of rain Friday.
- highs near 57-60 lows near 44. (seasonal averages high 54 low 41).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly sunny and a bit warmer today, partly cloudy with a good (50%) chance of rain and snow showers late at night,
- Mostly cloudy and a bit cooler with a good (50%) chance of rain and snow showers Sunday, then mostly cloudy with a slight (20%) chance of rain and snow showers at night,
- A mix of clouds and sun with a slight (20%) chance of rain and snow showers Monday, then partly cloudy with a slight (20%) chance of rain and snow showers Monday night.
- free air freezing level 3,500 ft. rising to 6,000 ft. Saturday afternoon, snow level 5,000 ft. Saturday night, 4,500 ft. Sunday, 4,000 ft. Sunday night, then 4,000 ft. Monday and Monday night.
- highs 40-38 lows 27- 23.
- A mix of clouds and sun and a bit warmer with a (40%) chance of rain and snow showers Tuesday, partly cloudy with a good (50%) chance of rain and snow showers Tuesday night,
- A mix of clouds and sun 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 at night,
- Mostly cloudy with AM snow showers likely (70%) and rain showers likely (70%), rain showers likely (70%) and a bit cooler Thursday, a good (50%) chance of rain and snow showers Thursday night,
- Clouds and sun with a good (50%) chance of AM snow showers, then a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Friday afternoon.
- snow level 4,000 ft. Tuesday, 4,500 ft. Tuesday night through Thursday, then 5,000 ft. Thursday night and Friday.
- highs 40-42 cooling to 39 Thursday warming to 42-39 warming back to 42 Friday lows 28-30 cooling back to 28 Thursday night.
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