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Tim Chuey Weather

by | Aug 1, 2023 | Weather

August 1, 2023

Note: Weather is a constantly changing phenomenon and weather forecasting is a combination of science, experience, and intuition. The accuracy of any given forecast can chance due to unexpected changes in atmospheric conditions, so there are no guarantees the the actual weather will conform to the projected forecast.

ADVISORIES

  • A FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY EVENING FOR LIGHTNING FOR THE BURNS BLM, THE VALE BLM,  AND THE BAKER VALLEY.
  • A FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY EVENING FOR ABUNDANT LIGHTNING FOR THE KLAMATH BASIN, THE FREMONT-WINEMA NATIONAL FOREST, AND THE SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE COUNTY AND WESTERN HARNEY COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON WEDNESDAY FOR THE CASCADE FOOTHILLS IN LANE COUNTY AND THE CASCADES IN LANE COUNTY.
  • AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL NOON WEDNESDAY FOR DESCHUTES COUNTY.
  • THE AIR QUALITY ADVISORY FOR EASTERN LANE COUNTY HAS BEEN EXTENDED UNTIL AT LEAST AUGUST 2ND.

HEALTH ADVISORIES

  • A RECREATIONAL USE HEALTH ADVISORY IS IN EFFECT FOR GALESVILLE RESERVOIR IN DOUGLAS COUNTY DUE TO THE PRESENCE OF A CYANOBACTERIA BLOOM. PEOPLE SHOULD AVOID SWIMMING AND HIGH SPEED WATER ACTIVITIES, SUCH AS WATER SKIING OR POWER BOATING, IN AREAS OF THE RESERVOIR WHERE BLOOMS ARE, AS THE MAJOR ROUTE OF EXPOSURE IS INGESTION OF WATER. TOXINS ARE NOT ABSORBED THROUGH THE SKIN, HOWEVER, THOSE WITH SKIN SENSITIVITIES MAY GET A PUFFY RED RASH. THE OREGON HEALTH AUTHORITY ENCOURAGES PEOPLE TO VISIT THE GALESVILLE RESERVOIR AND ENJOY ACTIVITIES SUCH AS FISHING, CAMPING, HIKING, BILKING, PICNICKING, BIRD WATCHING, CANOEING, AND KAYAKING. BOATING IS SAFE AS LONG AS SPEEDS DO NOT CREATE EXCESSIVE WATER SPRAY.. SPRAYS COULD LEAD TO THE RISK OF INHALING CYANOTOXINS.
  • 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) An Upper Level Low Pressure Trough (“U” shape) keeps our weather pattern stable with normal temperatures. The graphics for days 1-3  show a cold front pushing through the Pacific Northwest Wednesday and Thursday.  The graphics for days 3-7   Friday through Tuesday show a frontal system well offshore through next Tuesday. So far the wildfire smoke has been staying in Eastern Lane County, but if the winds shift that might not be the case.BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE  RIVER.

THE WEATHER PATTERN

  • An Upper Level Low Pressure Trough (“U” shape) keeps our weather pattern stable with normal temperatures. The graphics for days 1-3  show a cold front pushing through the Pacific Northwest Wednesday and Thursday.  The graphics for days 3-7   Friday through Tuesday show a frontal system well offshore through next Tuesday. So far the wildfire smoke has been staying in Eastern Lane County, but if the winds shift that might not be the case.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Clear tonight,
  • Sunny Wednesday, mostly clear Wednesday night,
  • Mostly sunny Thursday, mostly clear at night,
  • Mostly sunny and a bit cooler Friday, then mostly clear Friday night.
  • lows 53-55 highs 92-90.
  • Mostly sunny and a bit warmer Saturday, clear Saturday night,
  • Sunny and a bit warmer Sunday, clear at night,
  • Mostly sunny and a bit warmer Monday, mostly clear Monday night,
  • Then partly cloudy and a bit cooler Tuesday.
  • highs 92-97 cooling 90 Tuesday lows 55-57.  (seasonal averages high 86 low 52)

Forecast for the Umpqua Valley including Roseburg:

  • Clear and hazy tonight,
  • AM haze, sunny and hazy and a bit warmer Wednesday afternoon, clear and hazy Wednesday night,
  • AM haze, sunny and a bit cooler Thursday afternoon, mostly clear at night,
  • Mostly sunny and a bit warmer Friday, then mostly clear Friday night.
  • lows near 58 highs 92-90.
  • Sunny and a bit warmer Saturday, clear Saturday night,
  • Sunny Sunday, clear at night,
  • Sunny Monday, mostly clear Monday night,
  • Then mostly sunny Tuesday.
  • highs near 92 lows 59-62 (seasonal averages high 88 low 58)

Forecast for the Oregon Coast including Coos Bay and North Bend:

  • Mostly clear this evening, mostly cloudy with inland haze late tonight,
  • Some AM clouds with inland haze, sunny and a bit warmer Wednesday afternoon, clear with inland evening haze, partly cloudy with inland haze late Wednesday night,
  • Some AM clouds, sunny Thursday afternoon, mostly clear in the evening, partly cloudy late at night,
  • Mostly sunny and a bit warmer Friday, then mostly clear Friday night.
  • lows near 57 highs near 75.
  • Mostly sunny and a bit warmer Saturday, mostly clear in the evening, partly cloudy late Saturday night,
  • Sunny Sunday, mostly clear in the evening, partly cloudy late at night,
  • Some AM clouds, sunny and a bit cooler Monday, partly cloudy in the evening, mostly cloudy late Monday night,
  • Then partly cloudy and a bit cooler Tuesday.
  •  highs 77-75 lows 58-60. (seasonal averages high 67 low 54)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly clear and hazy with areas of smoke tonight,
  • Sunny and  hazy with areas of smoke and a bit cooler Wednesday, partly cloudy and hazy with areas of smoke Wednesday night,
  • Mostly sunny and hazy with areas of smoke Thursday, partly cloudy and hazy with areas of smoke at night,
  • Mostly sunny and hazy with areas of smoke and a bit cooler Friday with a slight (20%) chance of afternoon showers and thunderstorms, partly cloudy with a slight (20%) chance of evening showers and thunderstorms, then hazy with areas of smoke late Friday night.
  • free air freezing level 15,000 ft. tonight and Wednesday, then 14,000 ft. Wednesday night through Thursday night.
  • lows near 48 highs 77-75.
  • Mostly sunny and hazy with areas of smoke a bit warmer Saturday,  mostly clear and hazy with areas of smoke late Saturday night,
  • Sunny and hazy with areas of smoke and a bit warmer Sunday, mostly clear and hazy with areas of smoke Sunday night,
  • Sunny and hazy with areas of smoke and a bit warmer Monday, mostly clear and hazy with areas of smoke at night,
  • Then mostly sunny and hazy with areas of smoke and a bit cooler Tuesday.
  • free air freezing level 13,000 ft. Saturday, 14,000 ft.  Saturday night and Sunday, then 15,000 ft. Sunday night through Tuesday.
  • highs 76-84 cooling to 78 Tuesday lows 50-53.