Here is my weekly weather quiz question “What is a “Rear Flank Downdraft?”
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ADVISORIES:
- A FLOOD WARNING IS IN EFFECT UNTIL FURTHER NOTICE FOR THE OWYHEE RIVER BELOW THE OWYHEE DAM AFFECTING MALHEUR 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:
- Patchy AM fog, a mix of clouds and sun and a bit cooler this afternoon, partly cloudy this evening, mostly cloudy with rain tonight and patchy fog late,
- Patchy AM fog, mostly cloudy and cooler with rain Thursday and in the evening, showers late at night,
- Mostly cloudy with showers and a bit warmer Friday, then a good (50%) chance of rain Friday night.
- highs 66-56 warming to 58 Friday lows 45-48 cooling to 45 Friday night.
- Mostly cloudy and a bit warmer with rain likely (70%) Saturday, mostly cloudy with a good (50%) chance of rain Saturday night,
- Mostly cloudy with showers likely (70%) and a bit warmer Sunday, a good (50%) chance of showers Sunday night,
- A mix of clouds and sun with a good (50%) chance of Monday, mostly cloudy with a (40%) chance of evening rain, partly cloudy with a (40%) chance of rain late Monday night,
- Then a mix of clouds and sun and a bit warmer with a (40%) chance of rain Tuesday.
- highs 59-62 lows 46-40 (seasonal averages high 63 low 41)
Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy and a bit cooler today, mostly cloudy tonight,
- Mostly cloudy with AM showers likely (70%), showers and cooler Thursday afternoon, showers at night,
- Mostly cloudy with AM showers, showers with a slight (20%) chance of thunderstorms Friday afternoon, evening showers likely (70%), then a (0%) chance of showers Friday night.
- highs 68-58 lows 47-49 cooling to 45 Friday night.
- Mostly cloudy and a bit warmer with a good (50%) chance of showers Saturday and Saturday night,
- Mostly cloudy and a bit warmer with a (40%) chance of showers Sunday, a (40%) chance of showers at night,
- Mostly cloudy with a (40%) chance of showers Monday and in the evening, partly cloudy with a slight (20%) chance of showers late Monday night,
- Then partly cloudy with a slight (20%) chance of showers Tuesday.
- highs 60-63 lows 47-42. (seasonal averages high 65 low 44)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy and a bit warmer today, mostly cloudy tonight,
- Mostly cloudy with showers and a bit cooler Thursday, showers at night,
- Mostly cloudy with AM showers, showers likely (70%) with a slight (20%) of thunderstorms and a bit warmer Friday afternoon, then showers likely (70%) Friday night.
- highs 59-55 warming to 57 Friday lows 46-44.
- Mostly cloudy with showers likely (70%) Saturday, showers likely (70%) Saturday night,
- Mostly cloudy and a bit warmer with a good (50%) chance of showers Sunday, showers likely (70%) at night,
- Mostly cloudy and a bit cooler with a good (50%) chance of showers Monday, a (30%) of showers Monday night,
- Mostly cloudy with a (40%) chance of showers Tuesday.
- highs 56-57 lows 46-42. (seasonal average high 58 low 45)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- A mix of clouds and sun and a bit cooler today, partly cloudy tonight,
- Mostly cloudy with AM rain and snow likely (70%), rain and snow and cooler Thursday afternoon (snow possibly heavy at times), rain and snow showers at night (snow possibly heavy at times),
- Mostly cloudy and a bit cooler with rain and snow showers Friday (snow possibly heavy at times), then rain showers with snow showers likely (70%) Friday night.
- free air freezing level 6,000 ft. rising to 6,500 ft. today, snow level 5,500 ft. tonight and Thursday, 5,000 ft. Thursday night, then snow level 4,500 ft. Friday and Friday night.
- highs 54-39 lows 34-32.
- Mostly cloudy and a bit warmer with rain and snow likely (70%) Saturday, rain and snow likely (70%) Saturday night,
- Mostly cloudy and a bit warmer with rain and snow showers likely (70%) Sunday, rain and snow showers likely (70%) at night,
- Mostly cloudy and a bit cooler with rain and snow likely (70%) Monday, a good (50%) chance of rain and snow Monday night,
- A mix of clouds and sun and a bit warmer with a good (50%) chance of rain and snow Tuesday.
- snow level 4,500 ft. Saturday, 5,500 ft. Saturday night and Sunday, 5,000 ft. Sunday night, then 4,000 ft. Monday through Tuesday.
- highs 43-46 cooling to cooling back to 43 Monday warming to 47 Tuesday lows 33-28.
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