Here is my weekly new weather quiz question. “What is a “Severe Thunderstorm?”
____________
The Jet Stream will be producing onshore airflow helping to bring some cooler marine air inland. The graphics for days 1-3 show a frontal system sliding into Oregon enhancing the flow of marine air. The graphics for days 3-7 Sunday through Thursday show a cold frontal system approaching the Pacific Northwest.
________________
Air Quality Index:
Eugene/Springfield: The Air Quality Index is 38 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 17 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
_______________
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, THE NORTHERN BLUE MOUNTAINS OF OREGON, THE CENTRAL BLUE MOUNTAINS, AND THE WALLOWA DISTRICT,
- A RED FLAG WARNING IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE EAST SLOPES OF THE OREGON CASCADES AND THE THE CENTRAL MOUNTAINS OF OREGON.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 10 PM TONIGHT 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 MALHEUR COUNTY AND THE OREGON TREASURE VALLEY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM 11 PM LATE FRIDAY NIGHT THROUGH SUNDAY EVENING FOR MALHEUR COUNTY AND THE OREGON LOWER TREASURE VALLEY.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 9 PM TONIGHT FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TONIGHT FOR WALLOWA 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 THIS 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, AND NORTH 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 FRIDAY FOR FOR BAKER COUNTY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM FRIDAY EVENING THROUGH SUNDAY EVENING FOR FOR BAKER COUNTY.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 2 PM TODAY FOR JACKSON 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.
________________
Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- Sunny and a bit cooler today, clear tonight,
- Sunny Friday, clear at night,
- Sunny and a bit warmer Saturday, then mostly clear Saturday night.
- highs 92-94 lows 52-55.
- Sunny and a bit cooler Sunday, mostly clear Sunday night,
- Sunny Monday, clear at night,
- Sunny Tuesday, mostly clear Tuesday night,
- Then sunny and a bit warmer Wednesday.
- highs 92-93 lows 54-56 (seasonal averages high 83 low 52)
__________
EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: MODERATE (11)
TREES: LOW (5)
WEEDS: ABSENT (0)
Measured 7.10.24
Data courtesy of Oregon Allergy Associates.
________________
Forecast for the Umpqua Valley including Roseburg:
- Sunny and a bit cooler and hazy this afternoon, clear tonight,
- Sunny Friday, clear at night,
- Sunny and a bit warmer Saturday, then mostly clear Saturday night.
- highs 93-97 lows 58-62.
- Mostly sunny and a bit cooler Sunday, mostly clear Sunday night,
- Mostly sunny and a bit cooler Monday, clear at night,
- Sunny Tuesday, mostly clear Tuesday night,
- Then mostly sunny and a bit warmer Wednesday.
- highs 92-94 cooling back to 92 Wednesday lows near 60. (seasonal average high 85 low 57)
____________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Sunny and a bit warmer today, mostly clear this evening, partly cloudy late tonight,
- Mostly sunny Friday, mostly clear in the evening, partly cloudy late at night,
- Some AM clouds, mostly sunny and slightly warmer Saturday afternoon, then mostly clear Saturday night.
- highs 72-69 warming back to 72 Friday lows 50-52.
- Some AM clouds, sunny Sunday afternoon, mostly clear in the evening, partly cloudy late Sunday night,
- Partly cloudy Monday through Tuesday night,
- Then partly cloudy and slightly warmer Wednesday.
- highs 75-72 lows near 52. (seasonal average high 66 low 54)
__________
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and slightly cooler today, clear tonight,
- Sunny and a bit warmer Friday, clear at night,
- Sunny and a bit warmer Saturday, then mostly clear Saturday night.
- free air freezing level 16,000 ft. tonight through Saturday night.
- highs 93-84 lows 52-56.
- Sunny and a bit cooler Sunday and Monday, mostly clear both nights,
- Sunny and slightly cooler Tuesday, mostly clear Tuesday night,
- Then sunny and slightly warmer Wednesday.
- free air freezing level 15,000 ft. Sunday through Wednesday.
- highs 87-88 cooling to 79 Monday lows 53-55 cooling to 52 Monday night.
For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com