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The Cooperative Institute for Research in Environmental Sciences (CIRES) at CU Boulder is a world leader in environmental research. We've partnered with NOAA since 1967. https://cires.colorado.edu/ 📸: Lianna Nixon
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Prolific Poster

We've made an update to our 2025 show! We're pleased to announce our collaboration with Brittany Bell Surratt and Hip Hop Caucus!

An open letter to our federal colleagues and collaborators from CIRES Director Waleed Abdalati: cires.colorado.edu/news/cires-s... "While the value of what you do may not be obvious to some, it benefits all. Your work is so important, and it is a true privilege being on the same team as you."

Colorado is at 90% of median SWE, Utah is at 87% of median SWE, and Wyoming is at 100% of median SWE as of February 28. ❄️ wwa.colorado.edu/resources/in...

The latest mass firing by the Trump administration is hitting hundreds of scientists and other workers at @noaa.gov. While you might not be familiar with the agency's name, you probably benefit from NOAA’s work every day. NOAA’s work makes weather forecasts possible, in addition to vital research

Watch and learn about social and behavioral science work @noaa.gov. The video was created by Cole Vaughn, a social scientist in NOAA's Global Systems Laboratory.

🌍 We’re thrilled to announce the Discovering, Exploring, and Sharing Climate Resources webinar series! 🎉 Join CLEAN and ISKME featuring top climate experts, actionable resources, and a community of passionate K-12 educators. 📅 Register now and be part of the conversation!: forms.gle/iDUQvEeWVe7m...

The Atlantic Niño, a climate pattern that shapes global weather, has two types. Scientists found that one forms from subtropical warming, and the other from shifting ocean waves—insights that improve climate forecasting. Read more: www.climate.gov/news-feature...

For today's #HumansOfCIRES, meet Cayla Jones, a travel specialist on the CIRES administration team. Cayla is a lifelong learner and artist — and her favorite vacation was the time she spent in Ireland during an undergraduate study abroad program. Read more: cires.colorado.edu/spotlights/t...

Twila Moon, deputy lead scientist @nsidc.bsky.social and researcher at CIRES, shares the challenges U.S. polar scientists face with fewer NSF program officers to support their work.

Our researchers put in years of software development engineering behind the scenes. Then, during Hurricane Helene, the weather forecast office in Charleston, South Carolina successfully tested the software to issue 67 warnings. Read more ➡️ www.cira.colostate.edu/cira-admin/n...

🌍✨ How fiber-optic cables are changing earthquake science! Dr. Jimmy Atterholt presents: Imaging Big Things at Fine Scales with Fiber-Measured Earthquake Wavefields 🏔️📡 📅 Feb 26, 2025 📍 Benson 380 | 12:20 - 1:20 PM ☕ Snacks & coffee at noon outside Benson 380!

Check out our new Polar Vortex Blog! Though parts of the US have been very cold and snowy, experts do not think there's much evidence that the polar vortex is the main driver of our winter weather so far this year. www.climate.gov/news-feature...

Next week, the region (CO, UT, WY) will likely see warmer and drier than normal conditions. Ridging over the western US favors increased probabilities for below normal #precipitation. wwa.colorado.edu/resources/in...

Fieldwork in cold, remote places presents unique challenges. In 2016, a team of glaciologists dealt with broken gear near the mighty calving front of the Barne Glacier, Antarctica. #FieldworkFriday 📸 : @alibanwell.bsky.social / CIRES

Join us April 22nd for our 10th annual ITG climate comedy show! We’re delighted to have worked with and around many comedians over the years, and are excited for those of which have yet to come!

“This paper is really, really important because it provides direct observations of how much water is not immediately making its way out to the ocean.” Twila Moon, deputy lead scientist @nsidc.bsky.social and researcher at CIRES, co-authored the paper featured in this story!

Fewer wildfires burn in North American forests today than in previous centuries, according to research led by the U.S. Forest Service and CIRES. But that's not good news — less fire means more fuel, creating conditions for more severe fires. Read the story: https://buff.ly/4hKplcM

The registration deadline for the 2025 NNA Annual Community Meeting has been EXTENDED! Registration will now close on Friday, February 28 at 11:59pm MT. We can't wait to see you in Boulder next month! 🔗https://sites.google.com/colorado.edu/2025nnameeting/register

Scientists from @ncas-uk.bsky.social, CIRES, Menapia Ltd, and Polar Field Services are building an innovative polar observatory, which will deliver critical insights into the impacts of climate change in some of the most remote and under-sampled regions of the Arctic.

A game-changing polar observatory is coming! Automated, using clean energy, and built for extreme Arctic conditions, it will track atmosphere-ice conditions in Greenland in real time - filling critical data gaps in climate science. ncas.ac.uk/arctic-harde... @aria-research.bsky.social

NOAA ‘s publicly funded satellites, airplanes, radar, and weather stations provide the data behind most U.S. #weather forecasts. Atmospheric scientists explain why private companies would struggle to match this essential system, which Project 2025 has proposed privatizing.

On a statewide basis, February 1st snow-water equivalent (SWE) conditions in Colorado were near normal (90%) and below normal in Wyoming (85%) and Utah (76%). ❄️ Learn more from our latest briefing: wwa.colorado.edu/resources/in... #snow

ICYMI — the National Snow and Ice Data Center (NSIDC) @nsidc.bsky.social is on Bluesky! NSIDC, a part of CIRES at CU Boulder, has been advancing knowledge of Earth's frozen regions since 1976. Follow for news, data insights, fun facts, and more. 📸: Jeff Deems/NSIDC and CIRES

On June 27, 2013, a camera hitched a ride on an ozonesonde balloon launched from Boulder, Colorado, and snapped a picture from 87,000 feet. #FieldworkFriday 📸: Patrick Cullis, a former CIRES research scientist (now with NOAA GML)

New CIRES-led research outlines how beavers impact critical zone processes in river systems and demonstrates the importance of integrating animal behavior into critical zone science. @colorado.edu https://www.frontiersin.org/journals/water/articles/10.3389/frwa.2025.1547094/full

For this week's #HumansOfCIRES, meet Jianhao Zhang (@jianhaoz.bsky.social), a CIRES research scientist in NOAA’s Chemical Sciences Laboratory. Jianhao studies clouds, he's done research in Namibia, and he loves to play basketball! Read more: https://cires.colorado.edu/spotlights/flying-high-sky

(1 of 5) JUST IN: January temperature marks a new global milestone. Arctic sea ice coverage near record low. bit.ly/3Qd7FdP #StateOfClimate @climate.noaa.gov

Fewer wildfires burn in North American forests today than in previous centuries, according to research led by the U.S. Forest Service and CIRES. But that's not good news — less fire means more fuel, creating conditions for more severe fires. Read the story: cires.colorado.edu/news/fewer-f...

"NOAA is taxpayer-funded, so it is a public good – its services provide safety and security for everyone, not just those who can pay for it." CIRES' @cwiedinm.bsky.social and Kari Bowen explain @noaa.gov's role in U.S. weather forecasts. @us.theconversation.com @colorado.edu

On the same theme as my post yesterday afternoon, here are some friendly chinstrap #penguins I met near @bas.ac.uk Rothera station #Antarctica in late 2022. 🧪 @cires.colorado.edu @nsidc.bsky.social @protectourwinters.bsky.social

(1 of 6) JUST IN: Raging wildfires, Arctic blast struck the U.S. last month. #January 2025 was the nation’s 6th driest on record. More: bit.ly/3CKEdc3 @climate.noaa.gov

Now for some lighter, non-political Sunday afternoon viewing… A video I took (sped up x2) leaving @bas.ac.uk Rothera station, Adelaide Island, #Antarctica in December 2022 on a Dash-7 ✈️. Beautiful. 😎 🧪 @cires.colorado.edu @nsidc.bsky.social @protectourwinters.bsky.social

Join us for our 10th annual Stand Up for Climate Comedy Event celebrating the power of comedy to ignite climate awareness and action!

"These changes will devastate infrastructure, ecosystems, vulnerable communities, and wildlife.” What will the #Arctic look like in 2100? A new review paper, led by NSIDC's Julienne Stroeve, investigates. Learn more: nsidc.org/news-analyse...

Are you interested in data set announcements and updates, new research, fun facts about the frozen parts of the planet, and cryosphere news? Sign up for the monthly NSIDC newsletter here: eepurl.com/idIjvL. Photo credit: Twila Moon, NSIDC

From 2006 - 2009, CIRES scientists and colleagues traveled to Unimak Island in Alaska to measure deformation caused by the islands' four active volcanoes and the related subduction zone. Enjoy a few of the photos from their expeditions! #FieldworkFriday 📸: David Mencin/CIRES

A new review paper, led by NSIDC's Julienne Stroeve, paints a picture of what the Arctic may look like in 2100. "These changes will devastate infrastructure, ecosystems, vulnerable communities, and wildlife," Stroeve said. Read the story from @nsidc.bsky.social: https://buff.ly/3EsZO9w

The recording of last Friday's webinar about the environmental impact of LA fires is now up on YouTube: youtu.be/VBg7wBCoSW8?...

I was interviewed for this article in @sciencenews.bsky.social on the aftermath of the LA fires. Thanks to @thsaey.bsky.social for her work on this topic. www.sciencenews.org/article/toxi...

"Nobody likes to hear about constraints but at the same time, do we want our neighborhoods to burn down? There are things that we can do and should be doing to mitigate that risk." CIRES Fellow Jennifer Balch is featured in this recent @npr.org story about the LA fires. www.npr.org/2025/01/30/n...

TOMORROW: Join @noaa.gov's National Integrated Drought Information System for the February Intermountain West drought and climate outlook webinar 🗓️: Feb. 3 🕐: 1 - 2 pm MT 🔗: www.drought.gov/events/inter...

Wow, George VI Ice Shelf on the #Antarctic Peninsula looks very wet 💦 this melt season! Possibly even more so than in the 2019/2020 summer when we mapped a 32-year record high extent in meltwater ponding? 🤔 🧪 #climatechange @cires.colorado.edu

Led by postdoc Devon Dunmire, our new study in @agu.org Earth & Space Science is published: shorturl.at/88oXD We present a new #machinelearning time series classification method to categorize draining, refreezing, and buried lakes on a #greenland ice-sheet-wide scale 🧪 @cires.colorado.edu

In December, CIRES Fellow Xinzhao Chu and a team of undergrad and grad students arrived in Antarctica to make Lidar measurements of space & the atmosphere. The trip is Chu's 18th visit to Antarctica — and January 2025 marks the 15th year of continuous Lidar observations at McMurdo! #FieldworkFriday

I was interviewed for this column in the @latimes.com about the clean-up from the LA fires. Thanks @anitachabria.bsky.social for your work on this topic. www.latimes.com/politics/new...

This public webinar is tomorrow at 2 PM PST. I will talk about lessons learned from the #MarshalFire. Other speakers from Caltech and NASA JPL will show data on the environmental impacts from the #EatonFire. Current registration stands at 1600. scienceexchange.caltech.edu/connect/fire...

ICYMI: Artificial intelligence allows scientists to assess the warming effect of reduced sulfur pollution in the shipping industry. Read the recent story from @noaa.gov about the work, led by @jianhaoz.bsky.social, a CIRES research scientist at NOAA CSL. https://buff.ly/3PyGrOF

Register today for the 2025 NNA Annual Community Meeting! Registration for this in-person meeting is free and open until Feb 23. We encourage all attendees to also attend ASSW / ICARP IV during March 20-28, 2025 in Boulder. sites.google.com/colorado.edu...