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Karl Bonner wrote a new post, Winter 2023-24, R.I.P., on the site Karl's Weather Discussions 1 month, 1 week ago
Five days ago, local meteorologists declared that “winter is over.” There has been considerable debate the past few years about what constitutes “wintry” conditions in our mild temperate climate. Here’s why I feel […]
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Karl Bonner wrote a new post, A Look at False Spring History, on the site Karl's Weather Discussions 1 month, 3 weeks ago
For more than a week, weather enthusiasts have fixated on the chilly upper-level trough that is currently entering the Pacific Northwest and will stick with us for the coming week. Snow levels will drop to […]
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Karl Bonner wrote a new post, February so Far (short!), on the site Karl's Weather Discussions 2 months ago
It’s been a boring first half of February…at least until today, with a wet snowstorm expected in the Columbia River Gorge.
Yesterday was a classic “late inversion season” day, not unlike an early-season day […]
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Karl Bonner wrote a new post, Jan 2024 Cold Wave Review, on the site Karl's Weather Discussions 2 months, 3 weeks ago
The period from Friday, January 12th through the 19th saw a major intrusion of arctic air into much of the Pacific Northwest, except for the southernmost locations like Medford. Now the cold air is gone, but […]
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Karl Bonner wrote a new post, Big Snow and Ice Storm for SW WA, Portland & Willamette Valley!, on the site Karl's Weather Discussions 3 months, 1 week ago
It’s been a very stressful week for weather forecasters in the Pacific Northwest. Lots of uncertainty about the upcoming cold spell, but it’s now coming into clear focus.
HIGHLIGHTS
1. Cold air arrives […]
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Karl Bonner wrote a new post, Big Massive Dumps of Snow in Cascades, Plus Late Week Cold Update, on the site Karl's Weather Discussions 3 months, 1 week ago
“…And,what happened if you watched the mountains in December, it was the lowest snow pack in decades. Ski resorts were unable to open for Christmas or even New Year. People were calling it…this winter was […]
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Karl Bonner wrote a new post, Cooler Pattern for January After Unusually Warm December, on the site Karl's Weather Discussions 3 months, 2 weeks ago
December 2023 is now a wrap! I’m not going to do a year-end review of 2023 tonight, but maybe later this week….
Highlights:
1. December was extremely warm and quite wet! In fact the warmest at PDX in o […]
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Karl Bonner wrote a new post, From Dry/Cool to Wet/Stormy…, on the site Karl's Weather Discussions 4 months, 3 weeks ago
Hope you all had a very happy Thanksgiving! The weather sure has been quiet and beautiful. Yesterday Tuesday was the 6th consecutive day of mostly sunny skies for the majority of our region. Today the clouds […]
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Karl Bonner commented on the post, Cold season temperature inversions, on the site Ingalls Weather 4 months, 3 weeks ago
One other region notorious for winter inversions: the Po Valley in northern Italy. The city of Milan is infamous for fog & smog.
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Karl Bonner wrote a new post, Beautiful 'Mixolydian Summer' Weather Through Sunday, on the site Karl's Weather Discussions 6 months, 2 weeks ago
Happy Fall everyone! The past two weeks have been a classic mix of autumn weather in the Pacific Northwest: periods of rain and wind, some sunny days, and seasonable temperatures mostly in the 60s and low […]
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Karl Bonner wrote a new post, Another Very Warm Summer in the PNW, on the site Karl's Weather Discussions 9 months ago
Pacific Northwest summers are generally boring from a weather geek’s perspective. Apart from the occasional thunderstorm or extreme heatwave, there’s very little activity going on…other than temperature […]
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Karl Bonner wrote a new post, May 2023 Heat Wave Begins Tomorrow, on the site Karl's Weather Discussions 11 months, 1 week ago
Remember the annoying cool & gloomy spring weather we had throughout most of March & the first 3 weeks of April? It is now but a memory. Our “La Niña Lag” has finally ended, and we are shifting into a warm sp […]
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Karl Bonner wrote a new post, It's Been A Beautiful Spring…For Vampires, on the site Karl's Weather Discussions 1 year ago
Anyone who’s been outside in the last few weeks knows that it has been a remarkably gray, damp & cool spring thus far in NW Oregon and SW Washington. This is wonderful news for the local vampire community. But f […]
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Karl Bonner wrote a new post, Winter 2022-23 Ends Chilly (Yet Again), on the site Karl's Weather Discussions 1 year, 1 month ago
Oops…we did it again! In recent years, Pacific Northwest winters have trended toward having the coldest & snowiest weather late in the season, in February and early March: late February 2011, March 2012, F […]
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Karl Bonner wrote a new post, From Chilly to Boring As We Begin February, on the site Karl's Weather Discussions 1 year, 2 months ago
Today is the last day of January and the third day of this winter’s 2nd cold spell. Granted, the days haven’t been extremely cold since the arctic front moved in Saturday night; every day since Sunday has seen […]
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Karl Bonner wrote a new post, An Active Winter So Far in NW Oregon/SW Washington, on the site Karl's Weather Discussions 1 year, 3 months ago
Happy New Year everyone! The calendar has shifted from 2022 to 2023, and it’s time for a quick review of the past year’s biggest weather events. Of course our calendar system is very arbitrary and a […]
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Karl Bonner wrote a new post, A Forecasting Nightmare Next Week, on the site Karl's Weather Discussions 1 year, 4 months ago
It’s been a chilly December thus far! Through the first 15 days of the month, PDX is running 2.6° F below normal. That’s not wildly cold by any means; we’ve had no “exciting” weather save for a very marginal ” […]
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Karl Bonner wrote a new post, First West Side Snow of Season, on the site Karl's Weather Discussions 1 year, 4 months ago
Well…that happened quicker than I might have predicted. PDX saw its first snowfall of the winter today, a whopping 0.1″! It’s actually the first time the snow station on Parkrose has ever measured any snow on […]
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Karl Bonner wrote a new post, The Perplexing Climatology of Central Oregon, on the site Karl's Weather Discussions 1 year, 5 months ago
It’s been a beautifully boring couple of weeks in the Pacific Northwest. Boring in the sense that there has been NO active weather since the first weekend of November. Beautiful in that we have seen tons of […]
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Karl Bonner wrote a new post, Wet & Active November Pattern Foils Blog Hiatus Plans, on the site Karl's Weather Discussions 1 year, 5 months ago
I just KNEW that if I planned to take a break from weather blogging, then things would suddenly become really active and intriguing. Now we’re looking at a very active pattern for the end of October & early […]
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