Could the 2018 Tornado Drought Finally End This Week?

Hi all! I was in Seattle this weekend for yet another fantastic Pacific Northwest Weather Workshop, and I was actually lucky enough to present on some research I had done identifying substantial drops in wind power production at Avangrid! This was my first presentation at any sort of scientific conference (I was on a panel […]

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La Nina Bids Farewell

Tropical Pacific SST Anomalies over the last 12 weeks

Within a few weeks, La “Nina” will be replaced by her cousin, La “Nada,” which is the moniker we’ve lovingly given to ENSO-Neutral Conditions in the Tropical Pacific, where we are neither in a La Nina or an El Nino state. “ENSO” simply refers to “El Nino Southern Oscillation” and is the broad term that […]

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A Gloomy April, But Sunny Days Ahead

After such a prolonged, wet late winter/early spring in 2017, I was hoping that 2018 would feature a more abrupt transition to the warm, sunny stretches of April that give us a taste of our beautiful summer to come, but those wishes have no doubt been in vain. If April sunshine is a runway, we’ve […]

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Late-Season Snow Hits The Pacific Northwest

Snow in Clearview, Snohomish County, WA, at approximately 500 feet.

I’m back! My sincere apologies for being AWOL the last month. I have, however, been working hard on WeatherTogether’s weather models, though I’m having some connectivity issues uploading them to the site since I’ve reformatted my code to download more, but smaller grib files for my plots (grib files are the files with the raw […]

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Another Snowstorm for Portland Tonight!

As expected, the innocuous, non-sticking snow that was so persistent yesterday quickly ballooned into a full-fledged, crippling lowland snow event last night as heavy band of snow pushed through the Portland metro area. I was out and about with some friends, and it was refreshing to see very few cars out on the roads, as […]

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Snow Early to Arrive, But Main Event Still To Come

A band of heavy snow falling in the Woodlawn neighborhood of Portland, Oregon at 200 feet. Image taken at 9 AM PST Tuesday 2/20/2018

Another day, another poorly-forecast lowland snow event. Our low-pressure system was stronger and faster than modeled, and as a result, it generated more and heavier precipitation than expected. Yesterday’s runs only had a light rain/snow mix at the coast at this morning, but the heavier-than-expected precipitation helped lower snow levels down to the surface there, […]

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More Snow for Portland Tuesday Night!

925 mb temperature, 10-meter wind, and sea-level pressure at 10:00 am PST, Tue 20 Feb 2018 (18-hour forecast)

We probably ended up with approximately an inch of snow at our place in the Woodlawn neighborhood of Northeast Portland from yesterday’s late-season snowstorm. Fellow WeatherTogether blogger Jeff Taylor ended up with 3.3 inches in Happy Valley at 600 feet, and the weather at Boring, OR (7 miles NW of Sandy, OR at 655′) was […]

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Snowing in Portland!

This will just be a quickie, as I’m getting up early tomorrow to go skiing at Mt. Hood Meadows. But after getting scattered, non-sticking snow showers for much of the day, the Portland metro area is finally seeing a decent shot of lowland snow as a weak band of showers swings through the area! Here’s […]

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No Snow for NW Washington Sunday morning :(

Sea-level-pressure, 10-meter winds, and 925 mb temperatures at 07:00 am PST, Mon 12 Feb 2018

This will be a brief post, I just wanted to let folks know that our chances of snow for San Juan/Whatcom Counties Sunday morning have dramatically decreased due to our shortwave taking a more southerly track. Compare tonight’s run to last night’s run and notice how far south the low has shifted. As a result, […]

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Lowland Snow for NW Washington on Sunday?

24-hour snowfall ending 4 pm Monday 2/12/2018

Thanks to an atmospheric river last Sunday that brought flooding to many rivers flowing off the Olympics and Washington Cascades and a strong ridge just offshore for the first half of this week, we’ve had mild temperatures to begin February. Temperatures have been particularly warm east of the Cascade crest – in fact, Walla Walla […]

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