Feb
08.
Here is my weekly weather quiz question What is “Perihelion?”
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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 no frontal systems moving into Oregon. The graphics for days 3-7 Sunday through Thursday show complex frontal systems approaching the Pacific Northwest the pushing through Friday and next Sunday and Monday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 21 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 23 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM TODAY FOR THE NORTHERN BLUE MOUNTAINS OF OREGON.
- A WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 1 PM TODAY ABOVE 4,000 FT. FOR THE SOUTHERN BLUE MOUNTAINS OF OREGON.
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:
- Cloudy with AM showers likely (70%), mostly cloudy a good (50%) chance of showers and a bit cooler this afternoon (o.25 in. of rain possible), a slight (20%) chance of evening showers, just mostly cloudy with patchy fog late tonight,
- Partly cloudy and a bit warmer Saturday, partly cloudy in the evening, mostly cloudy with a good (50%) chance of rain late at night,
- Mostly cloudy with a good (50%) chance of rain Sunday, then cloudy with a (40%) chance of rain Sunday night.
- highs 45-50 lows 35-40.
- Mostly cloudy and a bit warmer with a good (50%) chance of rain Monday, a good (50%) chance of rain Monday night,
- Mostly cloudy and a bit warmer with a good (50%) chance of rain Tuesday, a (40%) chance of rain at night,
- Mostly cloudy and a bit warmer with a (40%) chance of rain Wednesday (Valentine’s Day), then a (40%) chance of rain Wednesday night and Thursday.
- highs 52-54 lows 38-40. (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 AM rain and snow likely (70%), rain likely (70%) this afternoon (0.25 in. of rain possible, snow level 2,000 ft. rising to 3,000 ft.), a (30%) chance of evening showers, just mostly cloudy with patchy fog 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 (30%) chance of rain Sunday, then a slight (20%) chance of rain Sunday night.
- highs 47-54 lows near 37.
- Mostly cloudy with a (30%) chance of rain Monday, (40%) chance of rain Monday night,
- Mostly cloudy and a bit warmer with a (40%) chance of rain Tuesday, a slight (20%) chance of rain at night,
- Mostly cloudy and a bit warmer with a (30%) chance of rain Wednesday (Valentine’s Day), then a (30%) chance of rain Wednesday night and Thursday.
- highs 54-58 lows 42-44 (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 rain likely (70%) today (0.25 in. of rain possible), patchy fog with a (30%) chance of showers tonight,
- Some AM clouds with patchy fog, mostly sunny and a bit warmer Saturday afternoon, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late at night,
- Mostly cloudy with a (30%) chance of rain and a bit cooler Sunday, then a slight (20%) chance of rain Sunday night.
- highs 50-57 cooling to 55 Sunday lows 38-43.
- Mostly cloudy with a (30%) chance of rain Monday, a (40%) chance of rain Monday night,
- Mostly cloudy and a bit warmer with a (40%) chance of rain Tuesday, a (30%) chance of rain at night,
- Mostly cloudy and a bit warmer with a (30%) chance of rain Wednesday (Valentine’s Day), a (40%) chance of rain Wednesday night,
- Then mostly cloudy and a bit cooler with a (40%) chance of rain Thursday.
- highs near 56-59 cooling to 57 Thursday lows 42-44. (seasonal averages high 54 low 41).
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with snow showers likely (70%) and a good (50%) chance of rain showers this afternoon (0.25 in. of rain possible, 2 in. of snow possible), a (30%) chance of evening snow and rain showers, just partly cloudy late tonight,
- Mostly sunny and a bit warmer Saturday, partly cloudy with a (40%) chance of rain and snow late Saturday night,
- Mostly cloudy and a bit cooler with a good (50%) chance of rain and snow Sunday, then mostly cloudy with a (40%) chance of rain and snow Sunday night.
- snow level 2,000 ft. today and tonight, free air freezing level at the surface rising to 5,000 ft. Saturday afternoon, snow level 3,500 ft. Saturday night, 4,500 ft. Sunday, then 5,000 ft. Sunday night.
- highs 30-40 cooling to 39 Sunday lows 20-28.
- Mostly cloudy with a good (50%) chance of rain and snow Monday and Monday night,
- A mix of clouds and sun with a good (50%) chance of rain and snow Tuesday, partly cloudy with a good (50%) chance of rain and snow at night,
- A mix of clouds and sun and a bit warmer with a good (50%) chance of rain and snow Wednesday (Valentine’s Day), mostly cloudy with a (40%) chance of rain and snow Wednesday night,
- Then a mix of clouds and sun with a good (50%) chance of rain and snow Thursday.
- snow level 4,500 ft. Monday through Tuesday, then 5,000 ft. Tuesday night through Thursday.
- highs 39-42 lows 26-29.
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