Mar
29.
Here is my weekly weather quiz question. “What is “Radiation Fog?”
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An Upper Level High Pressure Ridge (“Arch” shape) will take over giving us sunshine for your Easter weekend. The graphics for days 1-3 show no frontal systems moving through or into Pacific Northwest. The graphics for days 3-7 Monday through Friday show a frontal system headed through the Pacific Northwest Wednesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 15 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 5 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 8 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- NONE AT THIS TIME.
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, clear with patchy frost late tonight,
- Patchy AM frost, sunny and a bit warmer Saturday afternoon, mostly clear Saturday night,
- Mostly sunny and a bit cooler Sunday (Easter), mostly clear at night,
- Sunny and a bit warmer Monday, then mostly clear Monday night.
- lows 38-43 highs 63-60 warming to 66 Monday.
- Sunny and a bit warmer Tuesday, mostly clear in the evening, mostly cloudy with a slight (20%) chance of rain Tuesday night,
- Mostly cloudy and cooler with a good (50%) chance of rain Wednesday, mostly cloudy with a good (50%) chance of showers at night,
- Mostly cloudy and a bit cooler with a (50%) chance of showers Thursday,
- Then partly cloudy and a bit warmer Friday.
- highs 70-52 warming to 55 Friday lows 45-34. (seasonal averages high 58 low 38)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: ABSENT (0)
TREES: MODERATE (19)
WEEDS: ABSENT (0)
Measured 3.29.24
Data courtesy of Oregon Allergy Associates.
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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 rain, just partly cloudy late tonight,
- Sunny and a bit warmer Saturday, mostly clear Saturday night,
- Some AM clouds, sunny and a bit cooler Sunday (Easter) afternoon, clear at night,
- Sunny and a bit warmer Monday, then clear Monday night.
- lows near 39 highs 64-62 warming to 62 Monday.
- Mostly sunny and a bit warmer Tuesday, mostly clear in the evening, partly cloudy with a slight (20%) chance of showers late Tuesday night,
- A mix of clouds and sun and cooler with a good (50%) chance of rain Wednesday, mostly cloudy with rain and snow likely (70%) at night,
- Mostly cloudy a bit cooler with rain and snow likely (70%) Thursday, a good (50%) chance of rain and snow Thursday night,
- Then mostly cloudy and a bit warmer with a good (50%) chance of rain and snow Friday.
- highs 74-52 warming to 56 Thursday lows 47-36. (seasonal averages high 58 low 38)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy this evening at the shore and partly cloudy late tonight while mostly cloudy with a slight (20%) chance of early evening inland rain, patchy fog late tonight,
- Sunny with inland patchy AM fog, sunny and a bit warmer Saturday, partly cloudy Saturday night with patchy inland fog late Saturday night,
- Partly cloudy with patchy AM inland fog, a slight (20%) chance of AM rain, sunny and a bit cooler Sunday afternoon (Easter), mostly clear at night,
- Mostly sunny and a bit warmer Monday, then mostly clear Monday night.
- lows 42-44 highs 61-58 warming back to 61 Monday.
- Mostly sunny and a bit warmer Tuesday, partly cloudy in the evening, mostly cloudy with a slight (20%) chance of rain late Tuesday night,
- Mostly cloudy and cooler with a good (50%) chance of rain and a bit cooler Wednesday, evening rain likely (70%), colder with rain and snow rain at night,
- Mostly cloudy with AM rain and snow likely (70%), rain likely (70%) and a bit cooler Thursday afternoon, rain likely (70%) Thursday night,
- Then mostly cloudy and a bit warmer with a good (50%) chance of rain Friday.
- highs 64-52 warming to 54 Friday lows 45-37. (seasonal average high 56 low 43)
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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 snow showers and a slight (20%) of rain showers, just partly cloudy late tonight (under 0.10 in. of rain possible),
- Sunny and a bit warmer Saturday, mostly clear Saturday night,
- Mostly sunny Sunday (Easter), mostly clear at night,
- Sunny and a bit warmer Monday, then clear Monday night.
- snow level 4,000 ft. tonight, free air freezing level 5,500 ft. rising to 6,000 ft. Saturday afternoon, 6,500 ft. falling to 5,500 ft. Saturday night, 5,500 ft. Sunday afternoon, 6,500 ft. Sunday night, 10,000 ft. Monday, then 11,000 ft. Monday night.
- lows 29-26 warming to 36 Monday night highs 45-54.
- Mostly sunny and warmer Tuesday, mostly clear in the evening, partly cloudy with a slight (20%) with a slight (20%) chance of rain late Tuesday night.
- AM clouds and sun with a (40%) chance of rain and snow, mostly cloudy with a good (50%) chance of rain and snow and colder Wednesday afternoon, mostly cloudy with a snow showers likely (70%) and a slight (20%) chance of rain showers at night,
- Mostly cloudy with snow showers likely (70%) and a bit cooler Thursday afternoon,
- Mostly cloudy with train and snow showers likely (70%) and bit warmer Friday.
- free air freezing level 11,000 ft. Tuesday, snow level 8,000 ft. Tuesday night, 5,000 ft. Wednesday, 3,000 ft. Wednesday night, 2,500 ft. Thursday, 3,000 ft. Thursday night, then 3,500 ft. Friday.
- highs 62-34 warming to 38 Friday lows 35-22.
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