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Alaska and Arctic Climate Newsletter

Rick Thoman, Brian Brettschneider, Richard James

Analysis and context for Alaska and Arctic climate, climate change and extreme events in content.

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Substack
PricingOnly free issuesPublishesWeekly
Issues212Founded4 years agoLast Issue10 days ago
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Artwork for Alaska and Arctic Climate Newsletter

Latest Issues

Spring 2026 is Progressing

Spring is time of rapid environmental transition in the Arctic, with a lot happening in short order. Here’s a snapshot of where things stand as of mid-May.


Snow Cover

The Arctic snow pack is now rapidly melting out at low elev...

10 days ago
15

Spring 2026 River Break-up to May 8th

Spring river ice break-up is underway south of the Brooks Range in Alaska and the Yukon Territory. In most areas break-up is a little bit later than normal but not dramatically so. So far, there hasn’t been any major flooding, but ice jam f...

18 days ago
11
2

Arctic April 2026 Climate Summary

Temperatures

The overall pattern of temperature departures in April was similar to March, though not quite so extreme. Most of the Canadian Arctic was colder than normal, while the European Arctic was milder than normal (Fig. 1). Nuna...

21 days ago
12
2

Alaska April 2026 Climate Summary

Temperatures

Average temperatures in April were generally near to a bit above normal across western Alaska, the Aleutians and Alaska Peninsula and cooler than normal in Southcentral, the central and eastern Interior and Southeast (Fig...

23 days ago
14
6

Late April 2026 Arctic Sea Ice Update

More than a month past the 2026 minimum, and sea ice extent in the Arctic remains at or close to record low levels (Fig. 1). As of April 24, Arctic-wide extent was the lowest for the date since 1979 in the Japanese Aerospace Exploration Age...

a month ago
8
4

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Authors

The writers behind this newsletter.

  • Rick Thoman

    Alaska and Arctic climate specialist 40 years experience as a professional in weather and climate. Currently with the Alaska Center for Climate Assessment and Policy, International Arctic Research Center at the University of Alaska Fairbanks.

  • Brian Brettschneider

    Alaska-based climate scientist.

  • Richard James

    Climate scientist with the World Climate Service, operated by Prescient Weather. Lead author since 2014 on the Alaska-focused Deep Cold blog: http://ak-wx.blogspot.com

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