Here is my weekly weather quiz question for the last time. What is a “Squall?” Here is the correct answer. A Squall is a strong wind characterized by a sudden onset in which the wind speed increases at least 16 knots and is sustained at 22 knots or more for at least one minute. 2. In nautical use, a severe local storm considered as a whole, that is, winds and cloud mass and (if any) precipitation, thunder and lightning.
____________
A strong Upper Level Low Pressure Trough continues onshore airflow, but shower chances hold off for a while. The graphics for days 1-3 show the cold frontal system approaching the coast Tuesday. The graphics for days 3-7 Wednesday through Sunday show no fronts sliding through the Pacific Northwest Wednesday through the period.
ADVISORIES:
- NONE AT THIS TIME.
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:
- Partly cloudy tonight,
- Sunny and a bit warmer Monday, mostly clear Monday night,
- Mostly cloudy with a good (50%) chance of AM rain, rain and cooler Tuesday afternoon, rain at night,
- Mostly cloudy with a good (50%) chance of AM showers, partly cloudy and a bit warmer with a good (50%) chance of showers Wednesday afternoon, then just partly cloudy Wednesday night.
- lows 48-53 cooling to 50 Wednesday night highs 79-65 warming to 72 Wednesday.
- Mostly sunny and a bit warmer Thursday, mostly clear in the evening, partly cloudy late Thursday night,
- Mostly sunny Friday, mostly at night,
- A mix of clouds and sun with a (30%) chance of showers Saturday, partly cloudy with a slight (20%) chance of showers Saturday night,
- Then mostly sunny Sunday.
- highs near 74 lows near 47. (seasonal averages high 78 low 48)
Your Saturday College Football Weather Forecast:
Saturday September 14th:
Ducks vs Beavers at Reser Stadium, Corvallis Game time 12:30 pm- Final score: The Ducks clobbered the Beavers 49-14.
________________
Forecast for the Umpqua Valley including Roseburg:
- Partly cloudy with a slight (20%) chance of evening showers, just partly cloudy late tonight,
- Some AM clouds, sunny and a bit warmer Monday afternoon, mostly clear in the evening, partly cloudy ate Monday night,
- Mostly cloudy with a good (50%) chance of AM showers, showers likely (70%) and a bit cooler Tuesday afternoon (0.10 in. of rain possible), showers with patchy fog late at night (0.50 in. of rain possible),
- Mostly cloudy with a (40%) chance of showers and a bit warmer Wednesday, then partly cloudy with patchy fog late Wednesday night.
- lows 52-55 cooling to cooling to 53 Wednesday night highs 74-64 warming to 72 Wednesday.
- Partly cloudy with patchy fog and a bit warmer Thursday, mostly clear with patchy fog Thursday night,
- Some AM clouds, sunny Friday afternoon, partly cloudy with a slight (20%) chance of showers late at night.
- Partly cloudy with a slight (20%) chance of showers Saturday and Saturday night,
- Then partly cloudy Sunday.
- highs near 75 lows near 52. (seasonal averages high 80 low 52)
____________
Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly clear this evening, partly cloudy late tonight,
- Some AM clouds, sunny and a bit warmer Monday afternoon, partly cloudy in the evening, mostly cloudy Monday night,
- Cloudy with a good (50%) chance of AM showers, showers Tuesday afternoon (0.10 in. of rain possible), showers at night (0.25 in. of rain possible),
- Mostly cloudy with a (40%) chance of showers and a bit warmer Wednesday afternoon, then partly cloudy Wednesday night.
- lows 50-55 cooling to 53 Wednesday night highs 69-72.
- Mostly cloudy with patchy AM fog, sunny and a bit cooler Thursday afternoon, partly cloudy Thursday night,
- Partly cloudy and a bit warmer Friday, partly cloudy with a slight (20%) chance of showers late at night,
- Partly cloudy with a slight (20%) chance of showers Saturday and in the evening, just partly cloudy late Saturday night,
- Then partly cloudy Sunday.
- highs near 72 lows near 52. (seasonal average high 67 low 51)
Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly cloudy tonight,
- Mostly sunny with a slight (20%) chance of showers and a bit warmer Monday afternoon, partly cloudy Monday night,
- Increasing clouds with a slight (20%) chance of AM rain, a bit cooler with rain likely (70%) Tuesday afternoon, rain at night,
- Mostly cloudy with a good (50%) chance of AM showers, a mix of clouds and sun and a bit warmer with a good (50%) chance of showers Wednesday afternoon, mostly cloudy a slight (20%) chance of evening showers, then partly cloudy with a slight (20%) chance of showers late Wednesday night.
- snow level 8,000 ft. tonight, above 8,000 ft. Monday through Tuesday night, 8,000 ft. Wednesday, then above 8,000 ft. Wednesday night.
- lows 37-39 highs 57-49 warming to 53 Wednesday.
- Mostly sunny and a bit warmer Thursday, partly cloudy Thursday night,
- Mostly sunny Friday, partly cloudy with a slight (20%) chance of showers at night,
- Mostly sunny and a bit cooler with a (30%) chance of showers Saturday, partly cloudy with a slight (20%) chance showers Saturday night,
- Mostly sunny and a bit warmer Sunday.
- snow level free air freezing level 13,000 ft. Thursday, 14,000 ft. Thursday night and Friday, snow level above 8,000 ft. Friday night through Saturday night, then free air freezing level 12,000 ft. Sunday.
- highs 62-59 warming to 62 Sunday lows near 39.