Jul
09.
Here is my weekly new weather quiz question. “What is a “Severe Thunderstorm?”
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An Upper Level High Pressure Ridge (“Arch” shape) is still over us bringing more sunshine but less intense heat. The graphics for days 1-3 show a frontal system sliding into Oregon between today and Thursday. The graphics for days 3-7 Saturday through Wednesday show no frontal systems approaching the Pacific Northwest.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 68 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 32 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 35 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 11 PM TODAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER COLUMBIA BASIN OF OREGON.
- A RED FLAG WARNING IS IN EFFECT UNTIL 11PM TONIGHT FOR DRY AND UNSTABLE CONDITIONS FOR THE SOUTHERN BLUE AND STRAWBERRY MOUNTAINS AND THE CENTRAL BLUE MOUNTAINS.
- A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 11 PM TODAY FOR THE EAST SLOPES OF THE OREGON CASCADES.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 10 PM WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE JOHN DAY BASIN AND CENTRAL OREGON.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL MIDNIGHT MDT FRIDAY NIGHT FOR THE OREGON LOWER TREASURE VALLEY.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT FROM 11 AM MDT UNTIL MIDNIGHT MDT THURSDAY NIGHT FOR MALHEUR COUNTY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM 11 PM LATE THURSDAY NIGHT THROUGH SUNDAY EVENING FOR MALHEUR COUNTY
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SUNDAY EVENING FOR THE OREGON LOWER TREASURE VALLEY.
- A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM THURSDAY FOR WALLOWA COUNTY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT THROUGH FRIDAY EVENING FOR HARNEY COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
- A HEAT ADVISORY IS IN EFFECT UNTIL MIDNIGHT MDT THURSDAY FOR HARNEY COUNTY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SUNDAY EVENING FOR HARNEY COUNTY.
- A EXCESSIVE HEAT WATCH IS IN EFFECT FROM THURSDAY EVENING THROUGH SUNDAY EVENING FOR HARNEY COUNTY.
- A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE GRANDE RONDE VALLEY, WALLOWA COUNTY, THE NORTHERN BLUE MOUNTAINS OF OREGON, THE SOUTHERN BLUE MOUNTAINS OF OREGON, AND THE NORTHWEST BLUE MOUNTAINS.
- A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM TONIGHT FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, WESTERN, CENTRAL AND EASTERN LAKE COUNTY.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 10 PM TONIGHT FOR THE EASTERN COLUMBIA RIVER GORGE OF OREGON, THE LOWER COLUMBIA BASIN OF OREGON, THE JOHN DAY BASIN, THE FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON, THE FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, NORTH CENTRAL OREGON, AND CENTRAL OREGON.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL MIDNIGHT MDT FRIDAY NIGHT FOR THE OREGON LOWER TREASURE VALLEY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SUNDAY EVENING FOR THE OREGON LOWER TREASURE VALLEY
- AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR FOR BAKER COUNTY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM FRIDAY EVENING THROUGH SUNDAY EVENING FOR FOR BAKER COUNTY
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FRIDAY EVENING THROUGH SUNDAY EVENING FOR FOR BAKER COUNTY.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 9 PM THIS EVENING FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A FIRE WEATHER WATCH IS IN EFFECT THROUGH THIS EVENING FOR DRY AND UNSTABLE CONDITIONS FOR THE SOUTHERN BLUE AND STRAWBERRY MOUNTAINS, THE NORTHERN BLUE MOUNTAINS OF OREGON, AND THE CENTRAL BLUE MOUNTAINS OF OREGON.
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 cooler (Still Quite Warm) today, clear tonight,
- Sunny and a bit cooler Thursday, clear at night,
- Sunny (Still Quite Warm) Friday, then clear Friday night.
- highs 95-92 lows 55-53.
- Sunny and a bit warmer Saturday, clear Saturday night,
- Sunny Sunday, mostly clear at night,
- Sunny and a bit cooler Monday, clear Monday night,
- Then sunny and slightly warmer Tuesday.
- highs 95-92 warming to 93 Tuesday lows near 55 (seasonal averages high 83 low 51)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: MODERATE (12)
TREES: LOW (8)
WEEDS: ABSENT (0)
Measured 7.9.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Sunny and cooler today, clear tonight,
- Sunny and a bit cooler Thursday, clear at night,
- Sunny and a bit warmer Friday, then clear Friday night.
- highs 96-92 warming to 94 Friday lows 63-59.
- Sunny and slightly warmer Saturday, clear Saturday night,
- Sunny and a bit cooler Sunday, clear at night,
- Sunny Monday, clear Monday night,
- Then sunny and a bit cooler Tuesday.
- highs 95-90 lows 62-60. (seasonal average high 85 low 57)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Some AM clouds, sunny and a bit warmer this afternoon, mostly clear this evening, partly cloudy late tonight,
- Sunny and a bit cooler Thursday, mostly clear in the evening, partly cloudy late at night,
- Mostly sunny and a bit warmer Friday, then mostly clear Friday night.
- highs 72-69 warming back to 72 Friday lows 52-50.
- Mostly sunny and a bit warmer Saturday, mostly clear Saturday night,
- Some AM clouds, sunny and a bit cooler Sunday afternoon, partly cloudy Sunday night,
- Then partly cloudy Monday through Tuesday.
- highs 75-72 lows near 52. (seasonal average high 66 low 53)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and a bit cooler today, clear tonight,
- Sunny and slightly warmer Thursday, clear at night,
- Sunny and a bit warmer Friday, then clear Friday night.
- free air freezing level 16,000 ft. today and tonight, 16,000 ft. rising to above 16,000 ft. Thursday afternoon, above 16,000 ft. Friday afternoon, then 16,000 ft. Friday night,
- highs 93-84 lows near 52 .
- Sunny and a bit warmer Saturday, mostly clear Saturday night,
- Sunny and a bit cooler Sunday and Monday, mostly clear both nights,
- Then sunny and slightly warmer Tuesday.
- free air freezing level 16,000 ft. Saturday and Saturday night, then 15,000 ft. then 15,000 ft. Sunday through Tuesday.
- highs 87-88 cooling to 79 Monday lows 53-55 cooling to 52 Monday night.
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