Here is my weekly weather quiz question. What is the “Lifted Index?
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An Upper Level Low is sliding down the California coast keeping the flow of coastal moisture aimed our way. The graphics for days 1-3 show a frontal system just offshore today then moving in Friday. The graphics for days 3-7 Sunday through next Thursday show a quiet weather pattern until a frontal system slides into the Pacific Northwest next Monday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 34 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 15 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 31 in the Good category measuring Ozone.
Data courtesy of Lane Regional Air Protection Agency (LRAPA)
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ADVISORIES:
- A FLOOD WARNING IS IN EFFECT FOR THE SPRAGUE RIVER NEAR BEATTY AFFECTING KLAMATH COUNTY UNTIL SATURDAY EVENING DUE TO SNOW MELT.
- A FLOOD WARNING IS IN EFFECT FOR THE IMNAHA RIVER AFFECTING WALLOWA COUNTY UNTIL FURTHER NOTICE DUE TO SNOW MELT.
- A FLOOD WARNING IS IN EFFECT FOR THE SILVIES RIVER NEAR BURNS AFFECTING HARNEY COUNTY UNTIL FURTHER NOTICE DUE TO SNOW MELT.
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:
- Mostly cloudy with a good (50%) chance of showers and a bit cooler today (under 0.10 in. of rain possible) and tonight (under 0.10 in. of rain possible),
- Mostly cloudy and a bit cooler with a good (50%) chance of showers Friday and in the evening, a slight (20%) chance of showers at night,
- Mostly cloudy with a slight (20%) chance of AM showers, a (40%) chance of showers and a bit warmer Saturday afternoon, a (40%) chance of evening showers, then a slight (20%) chance of showers late Saturday night.
- highs 61-56 warming to 58 Saturday lows 46-42.
- Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) Sunday afternoon and evening, partly cloudy with a (40%) chance of showers Sunday night,
- Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit warmer Monday afternoon, a good (50%) chance of evening showers, a slight (20%) chance of showers late at night,
- Mostly cloudy with a slight (20%) chance of AM showers, a bit warmer with a good (50%) chance of showers Tuesday afternoon, a slight (20%) chance of showers late Tuesday night,
- A mix of clouds and sun and a bit warmer with a (40%) chance of showers Wednesday
- highs 58-64 lows near 45. (seasonal averages high 66 low 42)
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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: Low (2)
Tree Pollen: Moderate (72)
Last counted: 5.3.23
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with a slight (20%) chance of showers and a bit cooler today, a slight (20%) chance of showers tonight,
- Mostly cloudy and a bit cooler with a (40%) chance of showers Friday, a (30%) chance of showers at night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of showers Saturday, then a slight (20%) chance of showers Saturday night,
- highs 63-56 warming to 62 Saturday lows 45-40.
- Mostly cloudy with a showers likely (70%) and a bit cooler Sunday and Sunday night.
- Mostly cloudy and a bit warmer with showers likely (70%) Monday, a slight (20%) chance of showers at night,
- Mostly cloudy and a bit warmer with a (30%) chance of showers Tuesday, a (40%) chance of showers Tuesday night,
- Then mostly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday.
- highs 60-65 lows 45-42. (seasonal averages high 69 low 46)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy and a bit cooler with a slight (20%) chance of showers and a bit cooler today, cloudy tonight with a slight (20%) chance of inland showers late Thursday night,
- Mostly cloudy and a bit cooler with (30%) chance of showers Friday and Friday night,
- Mostly cloudy with a good (50%) chance of showers Saturday and Saturday night.
- highs 57-55 warming back to 57 Saturday night lows 44-46 cooling to 42.
- Mostly cloudy and a bit warmer with a (40%) chance of showers Sunday, a (30%) chance of showers Sunday night,
- Mostly cloudy with a (30%) chance of showers and a bit warmer Monday, a slight (20%) chance of showers at night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday, a slight (20%) chance of showers Tuesday night,
- Then mostly cloudy with a slight (20%) chance of showers Wednesday.
- highs 56-59 lows near 42. (seasonal averages high 59 low 46)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy and warmer with showers likely (70%) today and a slight (20%) chance of thunderstorms (0.10 in. of rain possible, more in storms), showers likely (70%) tonight with snow showers likely (70%) late tonight (0.25 in. of rain possible),
- Mostly cloudy with rain and snow showers likely (70%) and a bit cooler Friday and in the evening, a good (50%) chance of rain and snow showers late at night,
- Mostly cloudy with a good (50%) chance of AM rain and snow showers, showers likely (70%) and a bit warmer Saturday afternoon, then a good (50%) chance of rain and snow showers late Saturday night.
- snow level 8,000 ft. tonight, 7,500 ft. Thursday, 7,000 ft. falling to 5,500 ft. late Thursday night, then 4,500 ft. Friday through Saturday night.
- lows 38-33 warming to 43 Saturday night highs 48-40 warming to 43 Saturday.
- Mostly cloudy with a good (50%) chance of AM rain and snow showers, showers likely (70%) and a bit warmer Sunday afternoon, rain and snow showers Sunday night,
- Mostly cloudy with a good (50%) chance of AM rain and snow showers likely (70%), showers and a bit cooler Monday afternoon, evening rain and snow showers likely (70%), a slight (20%) chance of rain and snow showers late Monday night,
- Mostly cloudy with a good (50%) chance of AM rain and snow showers, showers likely (70%) and a bit warmer Tuesday afternoon, a good (50%) chance of rain and snow showers Tuesday night,
- Mostly cloudy 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 Wednesday afternoon.
- snow level 4,500 ft. Sunday, 5,000 ft. Sunday night, 4,500 ft. Monday, 5,000 ft. Monday night and Tuesday, then 5,500 ft. Tuesday night and Wednesday.
- highs 44-50 lows near 32.
5.3.23