Here is my new weekly weather quiz question. What is “Limnology?
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A blocking Upper Level High Pressure Ridge (“Arch” shape) sitting over us has taken over bringing a heat wave.The graphics for days 1-3 show system, show no frontal systems approaching the Pacific Northwest. The graphics for days 3-7 Thursday through next Monday show a quiet weather pattern with a complex frontal system lingering offshore Thursday and then pushing through Oregon next Friday and Saturday.
Note: Sunday was a hot one. Record high 94 for Eugene and 95 for North Bend
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 43 in the good category measuring Ozone.
Oakridge: The Air Quality Index is 8 in the good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 33 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES
- A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM TODAY FOR THE LOWER COLUMBIA AND THE GREATER PORTLAND METRO AREA.
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 and a bit cooler with a slight (20%) chance of showers and a slight (20%) chance of thunderstorms this afternoon and evening, just partly cloudy late tonight,
- Mostly sunny and a bit cooler Tuesday, clear at night,
- Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
- highs 87-84 warming to 86 Wednesday lows near 54.
- Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
- Some AM clouds, mostly sunny and a bit cooler Friday afternoon, mostly clear at night,
- Partly cloudy Saturday, mostly clear Saturday night,
- Some AM clouds, then sunny and a bit cooler Sunday.
- highs 82-79 lows 54-52. (seasonal averages high 68 low 44)
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Home Wood Heating Advisory:
Posted Daily
Eugene-Springfield: GREEN– Burning is Allowed.
Oakridge: GREEN– Burning is Allowed.
*Note: Pellet stoves may be used anytime if they produce no visible emissions.
Data courtesy of Lane Regional Air Protection Agency (LRAPA
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Eugene-Springfield Pollen Count:
Grass Pollen: High (47)
Weeds: Moderate (31)
Tree Pollen: High (243)
Last counted: 5.14.23
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Partly cloudy with a slight (20%) chance of AM thunderstorms, mostly cloudy with a slight (20%) chance of thunderstorms and cooler this afternoon, partly cloudy with a slight (20%) chance of evening thunderstorms, just mostly clear late tonight,
- Patchy AM fog, sunny Tuesday, mostly clear Tuesday night,
- Partly cloudy and a bit warmer Wednesday, then mostly clear Wednesday night,
- highs 87-89 lows 58-56 warming back to 58 Wednesday night.
- Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
- Some AM clouds, sunny and a bit cooler Friday, mostly clear in the evening, partly cloudy late at night,
- Then partly cloudy Saturday through Sunday.
- highs near 82 lows near 56. (seasonal averages high 71 low 48)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Partly cloudy with patchy AM coastal fog , partly cloudy and much cooler this afternoon with a slight (20%) chance of inland thunderstorms, mostly clear this evening, partly cloudy with patchy coastal fog late tonight,
- AM clouds with patchy fog, sunny Tuesday afternoon, mostly clear in the evening, mostly cloudy late at night,
- Partly cloudy and a bit warmer Wednesday, then partly cloudy Wednesday night.
- highs 67-69 lows near 50.
- Partly cloudy and a bit cooler Thursday, partly cloudy Thursday night,
- Partly cloudy and a bit warmer Friday and at night,
- Then partly cloudy and a bit cooler Saturday through Sunday.
- highs 65-67 cooling back to 65 Sunday lows 50-52 cooling back to 50 Saturday night. (seasonal averages high 61 low 48)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Partly cloudy with a good (50%) chance of AM showers and a slight (20%) chance of thunderstorms, showers likely (70%) and a bit cooler this afternoon (0.25 in. of rain possible), a slight (20%) chance of evening showers and thunderstorms (0.10 in. of rain possible, more in storms), just partly cloudy late tonight,
- Mostly sunny start, partly cloudy and a bit warmer with a slight (20%) chance of showers and thunderstorms Tuesday afternoon, mostly clear Tuesday night,
- Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
- snow level above 8,000 ft. today, free air freezing level 12,000 ft. tonight and Wednesday, then 13,000 ft. Wednesday night.
- highs 69-73 lows 44-46.
- Mostly sunny and a bit warmer with a slight chance of showers Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy Thursday night,
- Mostly sunny start, partly cloudy with a slight (20%) chance of showers Friday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late at night,
- Partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday afternoon and evening, just partly cloudy late Saturday night,
- Some AM clouds, mostly sunny and a bit cooler with a slight (20%) chance of showers Sunday afternoon.
- snow level above 8,000 ft. Thursday and Thursday night, then snow level above 8,000 ft. Friday through Sunday.
- highs 75-72 lows near 47.