Here is my new weekly weather quiz question. “What is a “Sea Breeze?”
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An Upper Level High Pressure Ridge (“Arch” shape) strengthens again over us bringing more sunshine and heat. The graphics for days 1-3 show a weak cold front pushing through Tuesday. The graphics for days 3-7 Friday through Tuesday show a frontal system sliding into the Pacific Northwest next Saturday through Tuesday with a cold front offshore later Tuesday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 33 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 19 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 16 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH SUNDAY EVENING FOR THE NORTH OREGON COAST RANGE LOWLANDS, THE CENTRAL OREGON COAST RANGE LOWLANDS, THE NORTHERN OREGON COAST RANGE, THE CENTRAL OREGON COAST RANGE, THE LOWER COLUMBIA RIVER, THE TUALATIN VALLEY, PORTLAND WEST HILLS AND CHEHALEM MOUNTAIN, INNER PORTLAND METRO, EAST PORTLAND METRO, OUTER SOUTHEAST PORTLAND METRO, THE WEST CENTRAL WILLAMETTE VALLEY, THE EAST CENTRAL WILLAMETTE VALLEY, THE BENTON COUNTY LOWLANDS, THE LINN COUNTY LOWLANDS, THE LANE COUNTY LOWLANDS, THE WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT., THE WEST COLUMBIA RIVER GORGE, THE I-84 CORRIDOR, THE UPPER HOOD RIVER VALLEY, THE CENTRAL COLUMBIA GORGE I-84 CORRIDOR, THE CLACKAMAS COUNTY CASCADE FOOTHILLS, THE CASCADE FOOTHILLS OF MARION AND LINN COUNTIES, AND THE LANE COUNTY CASCADE FOOTHILLS,.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM THURSDAY MORNING THROUGH SUNDAY EVENING FOR CENTRAL DOUGLAS COUNTY, EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, JACKSON COUNTY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM THURSDAY MORNING THROUGH SUNDAY EVENING FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY.
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:
- Sunny and a bit cooler today, clear tonight,
- Sunny and a bit warmer Wednesday, clear at night,
- Sunny and a bit warmer Thursday (Independence Day), then clear Thursday night.
- highs 80-94 lows 48-57.
- Sunny and a bit warmer (HOT!) Friday and Saturday, clear both nights,
- Then sunny and a bit cooler Sunday and Monday, clear Sunday night.
- highs 101-103 cooling to 96 Monday lows 60-56 (seasonal averages high 80 low 50)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (64)
TREES: LOW (5)
WEEDS: LOW (2)
Measured 7.1.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Sunny and a bit cooler today, clear tonight,
- Sunny and a bit warmer Wednesday, clear at night,
- Sunny and a bit warmer Thursday (Independence Day), then clear Thursday night.
- highs 84-98 lows 54-62.
- Sunny and a bit warmer Friday, clear Friday night,
- Then sunny and a bit cooler Saturday, Sunday, and Monday, clear each night.
- highs 105-99 lows 65-62. (seasonal average high 82 low 55)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Sunny and a bit cooler today, mostly clear tonight,
- Mostly sunny and a bit warmer Wednesday, mostly clear at night,
- Sunny and a bit warmer Thursday (Independence Day), then mostly clear Thursday night.
- highs 70-78 lows 50-56.
- Mostly sunny and a bit warmer Friday, mostly clear Friday night,
- Mostly sunny and a bit cooler Saturday, mostly clear at night,
- Then mostly sunny and a bit cooler Sunday and Monday, mostly clear Sunday night,
- highs 82-73 lows 57-53. (seasonal average high 65 low 53)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit warmer today and Wednesday, clear both nights,
- Sunny and a bit warmer Thursday (Independence Day), then mostly clear Thursday night.
- free air freezing level 15,000 ft. today through Wednesday, 16,000 ft. Wednesday night and Thursday, then above 16,000 ft. Thursday night.
- highs 70-84 lows 43-53.
- Sunny and a bit warmer Friday, clear Friday night,
- Sunny and a bit warmer Saturday, mostly clear at night,
- Then sunny and a bit cooler Sunday and Monday, clear Sunday night.
- free air freezing level 16,00 ft. Friday, above 16,000 ft. Friday night through Sunday night, then 16,000 ft. Monday.
- highs 83-87 cooling to 84 Sunday lows 52-55.
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