Here is my new weekly weather quiz question. What is the “Lifted Index?
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An Upper Level High Pressure Ridge continues to move to the east returning the flow of coastal moisture. The graphics for days 1-3 Show the cold front that moved through Oregon. The graphics for days 3-7 Thursday through next Monday show a quiet weather pattern until a frontal system slides into the Pacific Northwest Friday and another next Sunday.
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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 10 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 32 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 SILVIES RIVER NEAR BURNS AFFECTING HARNEY COUNTY UNTIL LATE TUESDAY MORNING DUE TO SNOW MELT.
- A FLOOD WARNING IS IN EFFECT FOR THE SPRAGUE RIVER NEAR BEATTY AFFECTING KLAMATH COUNTY UNTIL LATE THIS MORNING 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:
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers today, partly cloudy with a (40%) chance of evening showers, mostly cloudy with a slight (20%) chance of showers and thunderstorms late tonight (under 0.10 in. of rain possible, more in storms),
- Mostly cloudy with a slight (20%) chance of AM showers, mostly cloudy and a bit warmer Tuesday afternoon, partly cloudy at night,
- A mix of clouds and sun and a bit warmer Wednesday, mostly cloudy with a good (50%) chance of evening showers, then a slight (20%) chance of showers late Wednesday night.
- highs 59-68 lows 45-47.
- Mostly cloudy with a (40%) chance of AM showers, a bit cooler with a slight (20%) chance of showers Thursday, a good (50%) chance of showers Thursday night,
- Mostly cloudy and a bit cooler with a good (50%) chance of showers Friday and at night,
- Mostly cloudy and a bit warmer with a good (50%) chance of showers Saturday, a good (50%) chance of evening showers, partly cloudy with a good (50%) chance of showers late Saturday night,
- Mostly cloudy with a good (50%) chance of AM showers, then mostly cloudy and a bit cooler with showers likely (70%) Sunday afternoon.
- highs 63-58 warming to 62 Saturday cooling to 60 Sunday lows 47-44. (seasonal averages high 65 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: Moderate (5)
Tree Pollen: High (464)
Last counted: 4.30.23
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy and a bit cooler with a (30%) chance of showers today (AM snow level 3,500 ft.), a (30%) chance of showers tonight (0.10 in. of rain possible),
- Mostly cloudy and a bit warmer with a (30%) chance of showers Tuesday, a slight (20%) chance of evening showers, partly cloudy late at night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of showers Wednesday afternoon, then a slight (20%) chance of showers Wednesday night.
- highs 58-68 lows near 48.
- Mostly cloudy with a slight (20%) chance of showers and a bit cooler Thursday, a slight (20%) chance of showers Thursday night,
- 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 (40%) chance of showers Saturday, a (30%) chance of showers Saturday night,
- Then mostly cloudy with a good (50%) chance of showers Sunday.
- highs 67-62 warming to 64 Saturday and Sunday lows 49-45. (seasonal averages high 68 low 45)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with a (30%) chance of showers and a bit cooler today, a slight (20%) chance of coastal showers tonight while a (30%) chance of inland showers tonight (under 0.10 in. of rain),
- Mostly cloudy and a bit warmer with a (30%) chance of showers Tuesday, just mostly cloudy at night,
- Mostly cloudy and a bit warmer Wednesday, then a slight (20%) chance of showers Wednesday night.
- highs 56-59 lows near 44.
- Mostly cloudy with a slight (20%) chance of showers Thursday, a slight (20%) chance of showers Thursday night,
- Mostly cloudy and a bit cooler with a (30%) chance of showers Friday, a slight (20%) chance of showers at night,
- Mostly cloudy and a bit warmer with a (30%) chance of showers Saturday, a (30%) chance of showers Saturday night,
- Then mostly cloudy and a bit cooler with a good (50%) chance of showers Sunday.
- highs 59-57 warming back to 59 Saturday cooling back to 57 Sunday lows 45-43. (seasonal averages high 59 low 46)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy with AM snow showers likely (70%) and a good (50%) chance of rain showers, a good (50%) chance of showers and a bit cooler this afternoon, mostly cloudy with showers likely (70%) tonight (little or no snow accumulation expected),
- A mix of clouds and sun and a bit warmer with a good (50%) chance of showers Tuesday, partly cloudy with a (40%) chance of showers at night,
- Clouds and sun with a slight (20%) chance of AM showers, good (50%) chance of showers with a slight (20%) chance of thunderstorms and a bit warmer Wednesday afternoon, evening showers likely (70%), then a good (50%) chance of showers late Wednesday night.
- snow level 4,500 ft. today, 5,500 ft. rising to 7,000 ft. late tonight, 8,000 ft. Tuesday, above 8,000 ft. Tuesday night and Wednesday, then 8,000 ft. Wednesday night.
- highs 42-62 lows 33-39.
- Mostly cloudy with a good (50%) chance of AM showers, cooler with showers likely (70%) Thursday afternoon and evening, a (50%) chance of showers late Thursday night,
- Mostly cloudy and a bit cooler with showers likely (70%) 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 showers, showers likely (70%) and a bit warmer Saturday afternoon and evening, a good (50%) chance of rain and snow showers late Saturday night,
- Mostly cloudy with a good (50%) chance of AM rain with snow showers, then showers likely (70%) Sunday afternoon.
- snow level 8,000 ft. Thursday, 7,500 ft. Thursday night, 6,000 ft. Friday, 5,500 ft. Friday night and Saturday, 6,000 ft. Saturday night, then 5,500 ft. Sunday.
- highs 52-44 warming to 49 Saturday and Sunday lows 36-34.
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