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Tim Chuey Weather

by | May 14, 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) sitting over us 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:

  • Mostly clear tonight,
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Monday and a slight (20%) chance of afternoon and evening thunderstorms, just partly cloudy late Monday night,
  • Mostly sunny and a bit cooler Tuesday, clear at night,
  • Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • lows 58-54 highs 87-84 warming to 86 Wednesday.
  • Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
  • Some AM clouds, mostly sunny and a bit cooler Friday afternoon, mostly clear at night,
  • Partly cloudy Saturday, mostly clear Saturday night,
  • Some AM clouds, then sunny and a bit cooler Sunday.
  • highs 82-79 lows 54-52. (seasonal averages high 68 low 44)

Forecast for the Umpqua Valley including Roseburg:

  • Mostly clear with a slight (20%) chance of evening thunderstorms, partly cloudy late tonight,
  • Partly cloudy with a slight (20%) chance of AM thunderstorms, mostly cloudy with a slight (20%) chance of thunderstorms and cooler Monday afternoon, partly cloudy with a slight (20%) chance of evening thunderstorms, just mostly clear late Monday night,
  • Patchy AM fog, sunny Tuesday, mostly clear Tuesday night,
  • Partly cloudy and a bit warmer Wednesday, then mostly clear Wednesday night,
  • lows 62-56 warming 58 Wednesday night highs 87-89.
  • Mostly sunny and a bit cooler Thursday, mostly clear Thursday night,
  • Some AM clouds, sunny and a bit cooler Friday, mostly clear in the evening, partly cloudy late at night,
  • Then partly cloudy Saturday through Sunday.
  • highs near 82 lows near 56. (seasonal averages high 71 low 48)

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

  • Becoming partly cloudy with patchy coastal fog late tonight and Monday AM, partly cloudy and much cooler Monday afternoon with a slight (20%) chance of inland thunderstorms, mostly clear in the evening, partly cloudy with patchy coastal fog late Monday night,
  • AM clouds with patchy fog, sunny Tuesday afternoon, mostly clear in the evening, mostly cloudy  late at night,
  • Partly cloudy and a bit warmer Wednesday, then partly cloudy Wednesday night.
  • lows 53-49 highs 67-69.
  • Partly cloudy and a bit cooler Thursday, partly cloudy Thursday night,
  • Partly cloudy and a bit warmer Friday and at night,
  • Then partly cloudy and a bit cooler Saturday through Sunday.
  • highs 65-67 cooling back to 65 Sunday lows 50-52 cooling back to 50 Saturday night. (seasonal averages high 60 low 48)

Forecast for the Northern Oregon Cascades including Willamette Pass:

  • Partly cloudy with a good (50%) chance of  showers late tonight (under 0.10 in. of rain possible),
  • Partly cloudy with a good (50%) chance of AM showers and a slight (20%) chance of thunderstorms, showers likely (70%) and a bit cooler Monday afternoon (0.25 in. of rain possible), a slight (20%) chance of evening showers and thunderstorms (0.10 in. of rain possible, more in storms),  just partly cloudy late at night,
  • Mostly sunny start, partly cloudy and a bit warmer with a slight (20%) chance of showers and thunderstorms Tuesday afternoon, mostly clear Tuesday night,
  • Mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
  • snow level above 8,000 ft. tonight through Tuesday, free air freezing level 12,000 ft. Tuesday night and Wednesday, then 13,000 ft. Wednesday night.
  • lows 46-44 warming back to 46 Wednesday night highs 69-73.
  • Mostly sunny and a bit warmer with a slight chance of showers Thursday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy Thursday night,
  • Mostly sunny start, partly cloudy with a slight (20%) chance of showers Friday afternoon, partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late at night,
  • Partly cloudy and a bit cooler with a slight (20%) chance of showers Saturday afternoon and evening, just partly cloudy late Saturday night,
  • Some AM clouds, mostly sunny and a bit cooler with a slight (20%) chance of showers Sunday afternoon.