Check out my latest Eugene Daily News Weather Or Not column:
http://eugenedailynews.com/2018/04/active-volcanoes-are-all-over-the-earth-but-even-in-space/
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Here is my weekly weather quiz question for the last time. What is “Doppler Radar?” Here is the correct answer. Doppler Radar is radar that can measure radial velocity, the instantaneous component of motion parallel to the radar beam (i.e., toward or away from the radar antenna). I’ll have a new weekly weather quiz for you starting Monday. The first person to post the correct answer as a comment on this page will win a week of free personalized weather forecasts tailored to your needs. Good luck.
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The graphics for days 1-3 show the next frontal system moving through just in time for the running of the Eugene Marathon today. An Upper Level Low Pressure Trough (Shaded “U” shape with arrows) has returned cooler temperatures and precipitation chances our way continuing through next Tuesday. The graphics for days 3-7 show no major frontal systems in the Pacific Northwest through next Saturday.
Note: You might want to look to the Southeast just after sunset tonight to see the conjunction of the Moon and Jupiter. You might see them if the clouds thin out enough (Fat chance!). Good luck with that.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 12 in the Good category measuring Particulate Matter.
Oakridge: The Air Quality Index is 23 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 13 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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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:
- Mostly cloudy and slightly cooler with showers today (0.10 in. of rain possible), a good (50%) chance of showers tonight decreasing late (under 0.10 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of showers Monday and in the evening (under 0.10 in. of rain possible), just mostly cloudy late Monday night,
- A mix of clouds and a bit warmer Tuesday, then partly cloudy Tuesday night.
- highs 57-62 lows 42-39.
- Partly cloudy and a bit warmer Wednesday, mostly clear at night,
- Partly cloudy and a bit warmer Thursday and Thursday night,
- Partly cloudy Friday, then partly cloudy with a slight (20%) chance of showers and a bit cooler Friday through Saturday.
- highs 72-75 cooling back to 72 Saturday lows 43-46. (seasonal averages high 64 low 41)
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Eugene-Springfield Pollen Count
Grass………. Moderate (8)
Trees………. Very High (742)
Last Counted: 4/27/18
Data Courtesy of Oregon Allergy Associates
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Forecast for Roseburg:
- Showers and slightly cooler today (0.25 in. of rain possible), mostly cloudy with a (40%) chance of scattered evening showers, a slight (20%) chance of showers late tonight (0.10 in. of rain possible, snow level 3,500 ft. falling to 3,000 ft. late tonight),
- A slight (20%) chance of showers Monday (under 0.10 in. of rain possible, snow level 3,000 ft. rising to 3,500 ft. in the afternoon), a slight (20%) chance of evening showers, just mostly cloudy late Monday night and Tuesday (a bit warmer), mostly clear in the evening, then partly cloudy late Tuesday night.
- highs 57-62 lows near 43.
- Mostly sunny and a bit warmer Wednesday, mostly clear at night,
- Partly cloudy and a bit warmer Thursday and Thursday night,
- Mostly cloudy and a bit cooler Friday, mostly cloudy with a slight (20%) chance of showers at night,
- Then partly cloudy with a slight (20%) chance of showers and a bit warmer Saturday.
- highs 74-76 cooling to 72 Friday warming to 75 Saturday lows 46-48. (seasonal averages high 66 low 44)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a increasing showers and a bit cooler today (0.10 in. of rain possible), a (30%) chance of scattered evening showers, a slight (20%) chance of showers late tonight (under 0.10 in. of rain possible),
- Mostly cloudy with a slight (20%) chance of showers Monday (under 0.10 in. of rain possible), just mostly cloudy Monday night and Tuesday (a bit warmer), mostly clear in the evening, then just partly cloudy Tuesday night.
- highs 55-57 lows near 43.
- Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
- Partly cloudy and a bit cooler Thursday and at night,
- Mostly cloudy and a bit cooler Friday, mostly cloudy with a slight (20%) chance of showers Friday night,
- Then partly cloudy and a bit warmer with a slight (20%) chance of showers Saturday.
- highs 68-62 warming to 70 Saturday lows 44-47. (seasonal averages high 57 low 45)
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Forecast for the Cascades in Lane County:
- Mostly cloudy and a bit cooler with rain and snow showers today (0.25 in. of rain possible, 2 in. of snow possible), rain and snow showers likely (70%) tonight (0.10 in. of rain possible, 2 in. of snow possible),
- Mostly cloudy and a bit warmer with a (40%) chance of rain and snow showers Monday, a slight (20%) chance of evening rain and snow showers, just mostly cloudy late at night,
- A mix of clouds and sun and a bit warmer Tuesday, just partly cloudy at night.
- snow level 4,500 ft. today, 4,000 ft. tonight, 3,500 ft. Monday, 4,000 ft. Monday night, free air freezing level 5,500 ft. Tuesday, then 6,500 ft. Tuesday night.
- highs 42-48 lows 30-32.
- Partly cloudy a bit warmer Wednesday, mostly clear Wednesday night,
- Partly cloudy and a bit warmer Thursday and Thursday night,
- Partly cloudy Friday, partly cloudy with a slight (20%) chance of showers Friday night,
- Partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday.
- free air freezing level 7,000 ft. Wednesday, 9,000 ft. Wednesday night, 8,000 ft. Thursday, 10,000 ft. Thursday night, 9,000 ft. Friday, snow level 7,500 ft. Friday night, then 8,000 ft. Saturday.
- highs 59-63 cooling to 58 Saturday lows 36-39.
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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.
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Get your local Eugene-Springfield and Lane County news on-line at eugenedailynews.com.
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