Jul
05.
Here is my weekly weather quiz question for the last time. “What is a “Sea Breeze?” Here is the correct answer. A Sea Breeze is a thermally produced wind blowing during the day from a cool ocean surface onto the adjoining warm land, caused by the difference in the rates of heating of the surfaces of the ocean and of the land.
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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 no frontal systems near the Pacific Northwest. The graphics for days 3-7 Tuesday through Saturday show no frontal systems sliding into the Pacific Northwest through the period. There will be a cold front to our northwest next Wednesday then moving in next Thursday.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 71 in the Moderate category measuring Particulate Matter.
Oakridge: The Air Quality Index is 31 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 41 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 WARNING IS IN EFFECT UNTIL 10 PM TUESDAY 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.
- A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM TUESDAY FOR THE NORTH OREGON CASCADES, THE CASCADES OF MARION AND LINN COUNTIES, AND THE CASCADES OF LANE COUNTY.
- A HEAT ADVISORY IS IN EFFECT UNTIL 10 PM THURSDAY FOR THE JOHN DAY BASIN AND CENTRAL OREGON.
- A HEAT ADVISORY IS IN EFFECT FROM NOON MONDAY UNTIL 10 PM THURSDAY FOR WALLOWA COUNTY.
- A HEAT ADVISORY IS IN EFFECT FROM NOON MDT SATURDAY UNTIL NOON MDT MONDAY FOR HARNEY COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH FRIDAY EVENING FOR HARNEY COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
- A EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 9 PM MONDAY FOR CENTRAL DOUGLAS COUNTY AND THE EASTERN DOUGLAS COUNTY FOOTHILLS.
- A HEAT ADVISORY IS IN EFFECT UNTIL 9 PM MONDAY FOR THE KLAMATH BASIN, NORTHERN AND EASTERN KLAMATH COUNTY, AND WESTERN, CENTRAL AND EASTERN LAKE COUNTY.
- AN EXCESSIVE HEAT WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH WEDNESDAY AFTERNOON FOR HARNEY COUNTY, BAKER COUNTY, MALHEUR COUNTY, AND THE OREGON LOWER TREASURE VALLEY.
- AN EXCESSIVE HEAT WARNING IS IN EFFECT UNTIL 10 PM THURSDAY NIGHT 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 9 PM TUESDAY FOR EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, AND JACKSON COUNTY.
- A FIRE WEATHER WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE DESCUTES NATIONAL FOREST, THE MINUS SISTERS RANGER DISTRICT, AND THE CENTRAL MOUNTAINS OF OREGON.
- A RED FLAG WARNING IS IN EFFECT FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST SLOPES OF THE CENTRAL OREGON CASCADES, THE DESCHUTES NATIONAL FOREST, THE MINUS SISTERS RANGER DISTRICT, AND THE CENTRAL MOUNTAINS OF OREGON.
- ??A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM THIS EVENING FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE UMPQUA BASIN, THE WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY, THE SISKIYOU MOUNTAINS, THE EASTERN ROGUE VALLEY, AND THE SOUTHERN OREGON CASCADES.
- A RED FLAG WARNING IS IN EFFECT FROM 3 PM UNTIL 8 PM TODAY FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE UMPQUA BASIN, THE WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY, THE SISKIYOU MOUNTAINS, THE EASTERN ROGUE VALLEY, AND THE SOUTHERN OREGON CASCADES
- A RED FLAG WARNING IS IN EFFECT FROM 2 PM UNTIL 9 PM TONIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN BLUE AND STRAWBERRY MOUNTAINS.
- A FIRE WEATHER WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH THROUGH SUNDAY EVENING FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE UMPQUA BASIN, THE WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY, THE SISKIYOU MOUNTAINS, THE EASTERN ROGUE VALLEY, AND THE SOUTHERN OREGON CASCADES.
- A FIRE WEATHER WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH SUNDAY EVENING FOR STRONG GUSTY WIND AND LOW RELATIVE HUMIDITY FOR THE UMPQUA NATIONAL FOREST, THE KLAMATH BASIN, AND THE FREMONT-WINEMA NATIONAL FOREST.
- A FIRE WEATHER WATCH IS IN EFFECT FROM THIS AFTERNOON THROUGH TGIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE BURNS BLM AND THE VALE BLM.
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 warmer (VERY HOT!) today, mostly clear tonight,
- Sunny and a bit cooler (Still VERY HOT!) Sunday, clear at night,
- Sunny and a bit cooler (Still Very HOT) Monday, clear Monday night.
- highs 102-104 cooling back to 102 Monday lows 64-62 warming back to 64 Monday night.
- Sunny and slightly cooler (Still Very HOT) Tuesday, clear Tuesday night,
- Sunny and a bit cooler (Still Very Warm) Wednesday, clear at night,
- Sunny and a bit cooler Thursday, clear Thursday night,
- Then sunny (Still Warm) Friday.
- highs 102-92 lows 58-53 (seasonal averages high 81 low 51)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: HIGH (62)
TREES: LOW (8)
WEEDS: LOW (2)
Measured 7.5.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Sunny and warmer (VERY HOT) today, clear tonight,
- Sunny and a bit cooler (Still VERY HOT) Sunday, clear at night,
- Sunny (STILL VERY HOT) Monday, then clear Monday night.
- highs 110-107 cooling to 106 Sunday night lows 65-67.
- Sunny and a bit cooler (BUT STILL HOT) Tuesday, clear Tuesday night,
- Sunny and a bit cooler Wednesday and Thursday, clear each night,
- Then sunny Friday.
- highs 103-93 lows 64-59. (seasonal average high 83 low 56)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Sunny and a bit warmer today, mostly clear tonight,
- Sunny and a bit cooler Sunday, mostly clear at night,
- Mostly sunny Monday, then mostly clear Monday night.
- highs 85-78 lows 55-53.
- Mostly sunny and a bit cooler Tuesday, mostly clear at night,
- Mostly sunny and a bit cooler Wednesday and Thursday, mostly clear both nights,
- Then mostly sunny Friday.
- highs 74-70 lows 54-52. (seasonal average high 65 low 53)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Sunny and warm today, clear tonight,
- Sunday and a bit cooler Sunday, mostly clear at night,
- Sunny and a bit warmer Monday, then clear Monday night.
- free air freezing level above 16,000 ft. tonight through Sunday night, then 16,000 ft. Monday night.
- highs 90-89 warming to 92 Monday lows 57-62.
- Sunny and a bit warmer Tuesday, clear Tuesday night,
- Sunny and a bit cooler Wednesday and Thursday, clear both nights,
- Then sunny and a bit warmer Friday.
- free air freezing level 16,000 ft. Tuesday through Friday.
- highs 93-83 warming to 86 Friday lows 57-53.
For all of your Eugene-Springfield and Lane County News, Weather, and Sports go to: EugeneDailyNews.com