El Niño to collapse by summer, La Niña forecast fall and winter 2024-25

Strong El Niño conditions were observed over the winter of 2023-24, leading to long lasting periods of split flow in the jet stream aimed at Western North America. This is a typical El Niño pattern, where the northern split persistently aims storms at southeast Alaska and the southern branch aims at California. Despite this, Oregon […]

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The Pacific Northwest’s other Ice Age Floods

Toward the end of the Last Glacial Maximum, catastrophic flooding surged down parts of the Columbia River watershed as natural dams creating large lakes failed. Some originated from Glacial Lake Missoula, which was created by a large dam of ice in Montana and Idaho that periodically failed. These, often termed Missoula Floods are probably the […]

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Tornado climatology of the Columbia Basin

This post focuses on tornado statistics in the Tri-Cities and Columbia Basin. For specific details about the Richland tornado that happened on March 31, head over to this AgWeatherNet article that I contributed to. Tornadoes are a rare occurrence in the Columbia Basin, but they aren’t unheard of. This is something that we were reminded […]

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Sunday’s wind storm in review

Sunday’s wind storm certainly lived up to expectations and in some cases even exceeded them. As usual, Rattlesnake Mountain brought home the prize for highest wind gust – 82 mph. People rarely go up there, though, so what about in the lowlands? Helix, which is north of Pendleton, recorded a gust of 74 mph. This […]

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Here’s a list of all the records we broke since February 1

This post has been updated with data through March 15. With snow still on the ground following our exceptional last month and a half, I thought it would be fun to list the records we broke or got close to breaking. These records are for the Tri-Cities and are considered unofficial. I’ve listed the old […]

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Three 2017 Hurricanes added to list of Costliest Tropical Cyclones

Last year’s hurricane season was definitely one for the record books. While national focus on the affected areas has waned, cleanup still continues in many regions. Yesterday marked the last day that Puerto Ricans could apply for assistance (archive) from FEMA. In the Houston area, the Houston Chronicle reports (archive) renovations continue at the Houston […]

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First hand accounts of Mount St. Helens’ 1980 eruption

Author’s Note: This part of a weekly series on geology for a class I am taking this semester at BYU-Idaho. This week’s prompt required students to interview somebody who had firsthand experience with a volcano. I interviewed my grandparents, who lived in Kennewick, Wash. when Mount St. Helens erupted in 1980. Other posts from this […]

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