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ᒪᑰᓯ Mark Springer @markspringer.bsky.social · 7h

Congratulations to KYUK GM Kristin Hall and her team for an extraordinarily successful Fall Fundraiser! #SupportPublicRadio

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Climatologist49 @climatologist49.bsky.social · 11h

The low temperature of -5F this morning at @toolikfieldstation.bsky.social is the first sub-zero (F) reading in Alaska this season. @alaskawx.bsky.social @ubetula.bsky.social

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Climatologist49 @climatologist49.bsky.social · 11h

The lake at @toolikfieldstation.bsky.social is half frozen. Should be fully frozen in just a few days. @alaskawx.bsky.social @ubetula.bsky.social

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Hannah 🏳️‍⚧️🏳️‍🌈 @hanners64n.bsky.social · 16h

Summer is way, long gone.... not really ready yet ❄️ #nome #alaska #october

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Ken Marsh @alaskaken.bsky.social · 14h

SUCK-UP: A cow muskox keeps watch as its calf (wee rump visible below her belly) suckles in the tundra wilderness outside of Nome, Alaska. #wildlife #wildlifephotography #animals #nature

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Rick Thoman @alaskawx.bsky.social · 18h

Snow cover across the Arctic is increasing. As of Wednesday, more than a quarter of Arctic lands (excluding the Greenland Ice Sheet) had snow on the ground in U.S. National Ice Center analysis. By December, nearly all land north of 60ºN will have snow cover. #Arctic #Climate #Autumn2026

Map centered on the North Pole showing areas where snow or ice was present on Wednesday, September 30, 2026.

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Rick Thoman @alaskawx.bsky.social · 18h

High temperatures (ºF) in and around Alaska on Thursday. Cooler than normal in most areas except for southern Southeast Alaska, northwest British Columbia and the southern Yukon Territory. #akwx #weather @climatologist49.bsky.social

Map centered on Alaska showing site-specific high temperatures (ºF) on Thursday, October 1, 2026. Plotted temperatures range from 16F at Toolik Lake, AK to 61F at Fort Laird, NT.

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Rick Thoman @alaskawx.bsky.social · 02/10/2026

Big split in September precipitation relative to normal between northern and southern Alaska. At or near record high September totals west-to-east along about ~65ºN. Dry in Southwest , Southcentral, and Southeast Alaska into the upper Tanana Valley. #akwx #Climate #Autumn2026 @leahwrenn.bsky.social

Map centered on Alaska plotting site specific precipitation totals in September color coded by the precent of normal.

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Zack Labe @zacklabe.com · 21h

Friday ice update - #Arctic sea ice extent is currently the 18th lowest on record (JAXA data) • about 490,000 km² above the 2010s mean • about 650,000 km² below the 2000s mean • about 1,770,000 km² below the 1990s mean • about 2,430,000 km² below the 1980s mean More: zacklabe.com/arctic-sea-i...

Line graph time series of 2026's daily Arctic sea ice extent compared to decadal averages from the 1980s to the 2010s. The decadal averages are shown with different colored lines with purple for the 1980s, blue for the 1990s, green for the 2000s, and white for the 2010s. Thin white lines are also shown for each year from 2000 to 2025. 2026 is shown with a thick gold line. There is a long-term decreasing trend in ice extent for every day of the year shown on this graph between September and November by looking at the decadal average line positions.

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Rick Thoman @alaskawx.bsky.social · 02/10/2026

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Patrick Duplessis @patwx.bsky.social · 01/10/2026

September 2026 was a warm one in most of Canada except Atlantic Canada and BC. Regions around the Hudson Bay recorded temperatures up to 3°C above normal, while parts of the Maritimes saw their coolest September since 2004 or 2009.

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Climatologist49 @climatologist49.bsky.social · 02/10/2026

Anchorage reported 0.1" of snowfall today. This is quite early for the first measurable snow. @alaskawx.bsky.social

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David Reamer @anchistorian.bsky.social · 02/10/2026

Four February 1961 pictures of hunters and fishers on Little Diomede by photojournalist Joseph S. Rychetnik (1927-2003). Via Anchorage Museum #alaskahistory #alaska

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David Reamer @anchistorian.bsky.social · 01/10/2026

Ten May 1969 views of Savoonga on St. Lawrence Island by photojournalist Joseph S. Rychetnik (1927-2003). Via Anchorage Museum #alaskahistory #alaska

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UAF GINA @alaskagina.bsky.social · 01/10/2026

Did you miss Tuesday’s webinar with ACCAP and AFSC recapping the 2026 fire season in Northern North America? Not to worry, the recording is up! Listen to everything you missed from notable fires to operational challenges, and lessons learned in 2026. Watch here -> uaf-accap.org/event/2026-f...

uaf-accap.org

One North, Two Fire Seasons: A Review of the 2026 Wildfire Season in Alaska, Yukon, and Northwest Territories | ACCAP

Download Webinar Transcript Speakers: Rick Thoman (Alaska Center for Climate Assessment and Preparedness), Heidi Strader and Jonathan Chriest (Alaska Interagency Coordination Center Predictive Serv…

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University of Washington Press @uwapress.uw.edu · 01/10/2026

We are thrilled to announce Bathsheba Demuth as the new series editor of Weyerhaeuser Environmental Books, succeeding Paul S. Sutter. We’re grateful to Paul for 12 years of extraordinary leadership and excited to see Bathsheba carry the series into its next chapter! @brdemuth.bsky.social

uwpressblog.com

Bathsheba Demuth Appointed Weyerhaeuser Environmental Series Editor

Bathsheba Demuth steps in as the new series editor for Weyerhaeuser Environmental Books at the University of Washington Press, succeeding Paul S. Sutter.

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🇺🇸🐸Democracy-Lover🐸🇺🇸 @saverdemocrazy.bsky.social · 01/10/2026

It started snowing in Anchorage!

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Rick Thoman @alaskawx.bsky.social · 01/10/2026

A rare climate occurrence in Alaska: at Bethel, the September average temperature and total precipitation were both almost exactly normal. #akwx #Climate @markspringer.bsky.social @climatologist49.bsky.social

September 2026 daily climate data from Bethel Airport showing the total precipitation was exactly normal and the average temperature for the month just 0.1ºF above normal.

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Rick Thoman @alaskawx.bsky.social · 01/10/2026

Not a lot of snow, but we’ve got to start somewhere. Downtown Fairbanks Thursday 815am AKDT: light snow, bit of a breeze, 30F (-1.1C). #akwx #Snow #Autumn2026 @climatologist49.bsky.social

Photo of an urban residential area in Fairbanks, Alaska with a thin covering of new snow. Photo taken about 815am AKDT October 1, 2026.

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Rick Thoman @alaskawx.bsky.social · 01/10/2026

High temperatures (ºF) in and around Alaska on Wednesday. As happens in many years, the end of September rolls around and the hammer comes down. Much cooler in Southcentral. Temps remained at or below freezing over the North Slope and northern Interior. Still mild in Southeast. #akwx #weather

Map centered on Alaska showing site-specific high temperatures (ºF) on Wednesday, September 30, 2026. Plotted temperatures range from 19F at Toolik Lake to 58F at Prince Rupert, BC.

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Sharyl @sharyls.bsky.social · 01/10/2026

Rabbit rabbit Happy Lucky October everyone! (This adorable image is available on Etsy by JoyNestGallery) #rabbitrabbit #October

Artwork depiction of cute bunny in a lace veil, holding a carrot and standing next to a Jack O'Lantern.

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Fairbanks Climate Action Coalition @fbxclimateaction.bsky.social · 01/10/2026

Our Executive Director Sarah Furman joined leaders across AK on a panel hosted by the Northern Center at NY Climate Week where we shared stories of how communities are stepping up and working to ensure a thriving future for Alaskans. www.pacificenvironment.org/the-relation...

pacificenvironment.org

The relationships behind climate action and what Alaska can teach us

At Climate Week NYC, Alaska leaders shared stories about the relationships, local knowledge and community voices that make climate action possible.

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Robert Rohde @rarohde.bsky.social · 30/09/2026

Temperatures in the Central Pacific El Niño region are the hottest ever measured (top panel), and far above any other El Niño at this time of year. But, if you adjust for the warming of the global ocean, the current trajectory is not so different from other very strong events.

Two panel plot showing daily time series of temperature anomalies in the Central Pacific Nino3.4 region during the last four strongest El Niño events without and with correction for changes in global ocean mean temperature.

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KarSteN Haustein @khaustein.bsky.social · 30/09/2026

The tale of two Septembers. 2026 vs 2023. Both equally warm in the Northern Hemisphere, but Antarctica makes all the difference. Record warm in 2023, below average in 2026. Hence 2026 likely only 2nd warmest such month in recorded history #ClimateEmergency #ElNiño

Map of the globe with red and blue colours for warm and cold departures from the long-term temperature mean (1981-2010). All but Greenland and large parts of Antarctica (which are blue) in red. The tropical Pacific in dark red as well.

Map of the globe with red and blue colours for warm and cold departures from the long-term temperature mean (1981-2010). All but parts of Greenland and small parts of the polar south (which are blue) in red. The tropical Pacific in notable red as well.

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Rick Thoman @alaskawx.bsky.social · 30/09/2026

High temperatures (ºF) in and around Alaska on Tuesday. Still mild in Southcentral and on Kodiak Island but decidedly more autumn-like than just a few days ago north of the Alaska Range. #akwx #weather @climatologist49.bsky.social

Map centered on Alaska showing site-specific high temperatures (ºF) on Tuesday, September 29, 2026. Plotted temperatures range from 24F at Toolik Lake to 62F at Fort Laird, NT.

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Zack Labe @zacklabe.com · 30/09/2026

Wednesday El Niño update - The explanation for why SSTs are still at record high levels in the Niño 3.4 region is because of both climate change + El Niño. Far-reaching ENSO teleconnections are more dependent on temperature gradients, & relative SSTs are actually more similar to other strong events.

Line graph time series of daily sea surface temperature anomalies in the Nino3.4 region. Years are shown from 1982 to 2025 in shades of blue to light yellow, and 2026 is shown in red. Climatologically, the largest anomalies are during the boreal winter in terms of magnitude. Data is from OISSTv2.1.

Map of September 28, 2026 average sea surface temperature anomalies in the ENSO monitoring regions. Data is from NOAA OISSTv2.1 with anomalies relative to a 1991-2020 baseline.

Graphic showing the 2-week change in sea surface temperature anomalies across the tropical eastern Pacific Ocean from September 14, 2026 to September 28, 2026. Data is from NOAA OISSTv2.1

Graphic showing the 4-week change in sea surface temperature anomalies across the tropical eastern Pacific Ocean from August 29, 2026 to September 28, 2026. Data is from NOAA OISSTv2.1

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Alaska Public Media @alaskapublic.org · 30/09/2026

Heavy autumn rains have rivers running unusually high across Interior and Western Alaska, with some approaching water volume records set during the catastrophic 1967 Tanana Valley Flood.

akpub.io

An unusually wet autumn has pushed some Alaska rivers to near-record volumes

A UAF climatologist said they could cause problems heading into winter.

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Matt Phelps @themattphelps.bsky.social · 30/09/2026

First snowflakes of the season at FAI ❄️ 👀

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Kim Wood @drkimwood.bsky.social · 29/09/2026

Accumulated cyclone energy to date: -- CNP (140°W-180°): second highest after 1994 -- ENP (140°W eastward): second highest after 1992 -- ATL: lowest Yes, you read that right. No ATL hurricane season during 1971-2025 produced lower ACE through September 29.

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Rick Thoman @alaskawx.bsky.social · 29/09/2026

Rain early Tuesday morning has pushed Fairbanks over four inches of rain for September, the first time that's happened in 101 years. This is the second wettest September in 122 years of climate observations in the Golden Heart City. #akwx #Climate @carrieinfbx.bsky.social @leahwrenn.bsky.social

Bar chart of the top ten wettest Septembers in Fairbanks between 1905 and 2026 with this year highlighted as the second wettest.

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Rick Thoman @alaskawx.bsky.social · 29/09/2026

High temperatures (ºF) in and around Alaska on Monday. Still mild for the season in Southcentral and upper Bristol Bay. Generally cooler than recent days north of the Alaska Range. #akwx #weather @climatologist49.bsky.social

Map centered on Alaska showing site-specific high temperatures (ºF) on Monday, September 28, 2026. Plotted temperatures range from 28F at Toolik Lake, AK to 64F at Fort Laird, NT.

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Rick Thoman @alaskawx.bsky.social · 28/09/2026

Binational ACCAP webinar on Tuesday at 11am AKDT/1pm MDT: a review of the very unusual northern North America 2026 wildfire season, with experts from Alaska and Canada. Free registration and recording available afterwards. #Wildfire #ntwx #akwx @jkanadisk.bsky.social uaf-accap.org/event/2026-f...

uaf-accap.org

One North, Two Fire Seasons: A Review of the 2026 Wildfire Season in Alaska, Yukon, and Northwest Territories | ACCAP

Speakers: Rick Thoman (Alaska Center for Climate Assessment and Preparedness), Heidi Strader and Jonathan Chriest (Alaska Interagency Coordination Center Predictive Services), Mike Smith (Canadian …

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Debbie Jones @mothluna.bsky.social · 29/09/2026

Gorgeous walk today at Eklutna Lake, Alaska! 🌞

Bold Peak above Eklutna Lake Trail, Alaska

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Itunk Tanka @raccoonx.bsky.social · 28/09/2026

Last of the fireweed.

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Zack Labe @zacklabe.com · 28/09/2026

Check out the total extent of the ocean warmth from last month... Data from NOAA OISSTv2.1 🌊

Global map showing sea surface temperature anomalies in August 2026 relative to 1982 to 2010. Most areas are warmer than average. Red is shown for warmer sea surface temperatures, and blue is shown for colder sea surface temperatures. Data is from NOAA OISSTv2.1.

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Rick Thoman @alaskawx.bsky.social · 28/09/2026

Early look at September temperature departures (°C) from the 1981-2010 baseline around the Arctic courtesy @khaustein.bsky.social. With the notable exception of Greenland, above average almost everywhere, and western Siberia especially warm, as it was during the summer. #Arctic #Climate

Map centered on the North Pole showing estimated September 2026 average temperature difference (°C) from the 1981-2010 baseline.

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Rick Thoman @alaskawx.bsky.social · 28/09/2026

High temperatures (ºF) in and around Alaska on Sunday. Near to a bit above normal in most of the region. Rainy and cool in Southeast Alaska. #akwx #weather @climatologist49.bsky.social

Map centered on Alaska showing site-specific high temperatures (ºF) on Sunday, September 27, 2026. Plotted temperatures range from 31F at Kaktovik, AK to 64F at Fort Laird, NT.

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ᒪᑰᓯ Mark Springer @markspringer.bsky.social · 28/09/2026

My Grandson's First Moose! Caught today up behind Three Step Mountain.

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Zack Labe @zacklabe.com · 28/09/2026

Monday ice update - #Arctic sea ice extent is currently the 16th lowest on record (JAXA data) • about 320,000 km² above the 2010s mean • about 720,000 km² below the 2000s mean • about 1,890,000 km² below the 1990s mean • about 2,590,000 km² below the 1980s mean More: zacklabe.com/arctic-sea-i...

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Climatologist49 @climatologist49.bsky.social · 28/09/2026

Area moose inspecting the fall colors. 🫎🍂

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Rick Thoman @alaskawx.bsky.social · 28/09/2026

An early taste of mid-October inbound for Fairbanks, except with more daylight.🌞 Getting to be that time of year when there's often a big variation in the daily temperature forecasts, especially after the first few days. #akwx #weather

Violin plots of forecast high temperatures each day September 27 to October 10, 2026 from 82 separate weather models. Also shown is the 1991-2020 normal and the median daily forecast high temperature.

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Lee Petersen @leepetersen.bsky.social · 28/09/2026

Had a great day in the Alaska Range yesterday. Full of glaciers, snow, crevasses, glacier caves, ponds, and grizzly bears. Write-up with more photos coming soon in my Field Notes From The North: lwpetersen.substack.com #alaska #hiking #glacier #glaciercave

Inside a glacier cave, a person stands silhouetted on a jumble of ice blocks, small against the surrounding walls of ice. Bright daylight floods in through an opening on the left, flaring almost white and throwing a haze of light across the cave. The ice walls arch overhead and around the space in deep blues, their surfaces textured and streaked, some patches smooth and glassy, others rough and shattered. The figure gives a sense of the cave's scale, with jagged blocks of ice filling the foreground below.

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Rick Thoman @alaskawx.bsky.social · 27/09/2026

Sea ice extent is increasing quickly now in the seas north of Alaska, though most of the growth is still north of 75°N in NSIDC data. The annual sea ice minimum extent in the Chukchi Sea occurred on Sep 15 and in the Beaufort Sea on Sep 20. Neither were a "top ten" lowest. #akwx #Arctic #SeaIce

Left: Daily sea ice extent for the combined Chukchi and Beaufort Seas 1979-2026 with the past two years and the smoothed 1991-2020 median highlighted. Right: NWS Alaska Sea Ice Program sea ice concentration analysis to September 26, 2026.

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Matt Phelps @themattphelps.bsky.social · 27/09/2026

Denali from Murphy Dome yesterday evening. I love this angle of her.

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Rick Thoman @alaskawx.bsky.social · 27/09/2026

High temperatures (ºF) in and around Alaska on Saturday. Warm for the season in parts of the Interior and Southcentral, with a record high for Sept 26 of 62F (16.7C) at McGrath. Milder on the North Slope than recent days. Rainy and cool around Prince William Sound and Southeast. #akwx #weather

Map centered on Alaska showing site-specific high temperatures (ºF) on Saturday, September 26, 2026. Plotted temperatures range from 38F at Kaktovik and Wainright, AK to 62F at McGrath, AK and Fort Laird, NT.

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Dr. Merritt Rae Turetsky @queenofpeat.bsky.social · 27/09/2026

I am a mom and scientist begging everyone to look closer at the muck. We’ve been conditioned to see wetlands as wastelands. But three decades of research, I see a fiercely defiant wilderness. The boreal mire is a dynamic carbon-trapping vault that in some places has outlasted ice ages. 1/

A woman scientist - me! - standing over the boreal forest in interior Alaska.

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Angutekaraq Qakvalria @angutekaraq.bsky.social · 27/09/2026

I CRAVE dry fish...

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Zack Labe @zacklabe.com · 27/09/2026

Last month showed unusually warm sea surface temperatures across much of the #Arctic Ocean, especially in the Kara Sea, Baffin Bay, & Labrador Sea. There's been an interesting contrast in ocean temperature departures across the East Siberian Sea, as well as some lingering ice Data: NOAA OISSTv2.1 🌊

Polar stereographic map showing sea surface temperature anomalies in August 2026 relative to 1982 to 2010. Most areas are warmer than average. Sea-ice cover is also shown if sea-ice concentration is at least 15% per each grid point. Red is shown for warmer sea surface temperatures, and blue is shown for colder sea surface temperatures. Data is from OISSTv2.1.

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