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Tim Chuey Weather

by | May 13, 2023 | Weather

May 14, 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 HEAT  ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE NORTH OREGON COAST AND THE CENTRAL OREGON COAST.
  • A HEAT ADVISORY IS IN EFFECT UNTIL  11PM TONIGHT FOR THE COAST RANGE OF NORTHWESTERN OREGON, THE CENTRAL COAST RANGE OF WESTERN OREGON, THE CENTRAL WILLAMETTE VALLEY, THE SOUTH WILLAMETTE VALLEY, THE NORTHERN OREGON CASCADE FOOTHILLS, THE CASCADE FOOTHILLS IN LANE COUNTY.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM MONDAY FOR THE LOWER COLUMBIA AND THE GREATER PORTLAND METRO AREA.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR THE SOUTH CENTRAL OREGON COAST AND THE CURRY COUNTY COAST.
  • A HEAT ADVISORY IS IN EFFECT UNTIL 11 PM TONIGHT FOR CENTRAL DOUGLAS COUNTY , EASTERN CURRY COUNTY AND JOSEPHINE COUNTY, THE EASTERN DOUGLAS COUNTY FOOTHILLS,  JACKSON COUNTY, THE SISKIYOU MOUNTAINS, AND THE SOUTHERN OREGON CASCADES..

HEALTH ADVISORIES

A PERMANENT RECREATIONAL HEALTH ADVISORY IS IN EFFECT FOR THE SOUTH UMPQUA RIVER AND MAINSTEM UMPQUA RIVER. THE ADVISORY COVERS THE SOUTH UMPQUA RIVER FROM CANYONVILLE DOWNSTREAM TO THE CONFLUENCE OF THE MAINSTEM UMPQUA RIVER, AND THE MAINSTEM UMPQUA RIVER DOWNSTREAM PAST ELKTON TO LAWSON BAR. PEOPLE IN THE BEDROCK ALONG THE RIVERS EDGE ARE ARE KNOWN TO DEVELOP CYANOBACTERIA (BLUE-GREEN ALGAE) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED AT SEVERAL ACCESS AREAS ALONG THE RIVER.

THE WEATHER PATTERN

A blocking  Upper Level High Pressure Ridge (“Arch” shape) has taken over bringing a heat wave. The graphics for days 1-3  show system, show no frontal systems approaching the Pacific Northwest. The graphics for days 3-7  Wednesday through next Sunday show a quiet weather pattern with a complex frontal system lingering offshore through Thursday and then pushing through Oregon next Friday and Saturday.

Forecast For The South Willamette Valley Including Eugene-Springfield:

  • Sunny and a bit warmer, Hot, today, mostly clear tonight,
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Monday afternoon, mostly clear at night,
  • Mostly sunny and a bit cooler Tuesday, then clear Tuesday night.
  • highs 93-84 lows 57-52 Tuesday night.
  • Mostly sunny and a bit warmer Wednesday, mostly clear Wednesday night,
  • Mostly sunny Thursday, mostly clear at night,
  • Some AM clouds, mostly sunny and a bit cooler Friday afternoon, mostly clear Friday night,
  • Some AM clouds, then sunny and a bit cooler Saturday afternoon.
  • highs 85-79 lows 55-53 warming to 55 Saturday. (seasonal averages high 68 low 44)

Forecast for the Umpqua Valley including Roseburg:

  • Sunny and a bit warmer today, mostly clear tonight,
  • Mostly sunny and a bit cooler Monday, a slight (20%) chance of evening thunderstorms, just mostly clear late at night,
  • Mostly sunny and a bit cooler Tuesday, then mostly clear Tuesday night.
  • highs 98-87 lows 60-62 cooling to 56 Tuesday night.
  • Mostly sunny Wednesday and Thursday, mostly clear both nights,
  • Mostly sunny and a bit cooler Friday, mostly clear Friday night,
  • Then partly cloudy and a bit cooler Saturday.
  • highs 87-80 lows near 56. (seasonal averages high 71 low 48)

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

  • Sunny and warmer today, mostly clear tonight,
  • Patchy AM coastal fog, sunny and cooler Monday afternoon, mostly clear in the evening, mostly cloudy late at night,
  • Partly cloudy and a bit warmer Tuesday, then partly cloudy Tuesday night.
  • highs 85-66 warming to 68 Tuesday lows 54-49.
  • Partly cloudy and a bit warmer Wednesday, partly cloudy Wednesday night,
  • Then partly cloudy and a bit cooler Thursday through Saturday.
  • highs 68-65 lows 50-52. (seasonal averages high 60 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Mostly sunny and a bit cooler today with a slight (20%) chance of afternoon showers, partly cloudy with a slight (20%) chance of  showers tonight,
  • Partly cloudy with a good (50%) chance of AM showers and a slight (20%) chance of thunderstorms, a good (50%) chance of showers and thunderstorms Monday afternoon, a slight (20%) chance of evening showers and thunderstorms,  just partly cloudy late at night,
  • Mostly sunny start, partly cloudy and a bit warmer with a slight (20%) chance of showers Tuesday afternoon, then mostly clear Tuesday night.
  • snow level above 8,000 ft. today through Tuesday, then free air freezing level 12,000 ft. Tuesday  night.
  • highs 68-70 lows 47-44.
  • Mostly sunny and a bit warmer Wednesday and Thursday, mostly clear both nights,
  • Mostly sunny and a bit warmer Thursday, mostly clear at night,
  • Mostly sunny with a slight (20%) chance of showers Friday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late Friday night,
  • Then partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday afternoon.
  • free air freezing level 12,000 ft. Wednesday, 13,000 ft. Wednesday night through Thursday night, then snow level above 8,000 ft. Friday through Saturday.
  • highs 74-76 cooling to 73 Saturday lows 45-48.