"Snow-covered area in January across the western United States was 66 percent below average, at 401,000 square kilometers (155,000 square miles) of snow cover, ranking last in the 26-year satellite record."' #SnowDrought Read more in @nsidc.bsky.social's Snow Today: nsidc.org/snow-today/m...

NSF NCAR researchers will go to the ends of the Earth to collect data. The SCARGO project is wraps up this week, but for the last couple of months, the SCARGO instrument has been hitching a ride on flights to the South Pole to collect data on the Southern Ocean. Learn more: https://bit.ly/4auVMLB

Join Us Today! 2-3 PM (MT) 🌆 Aaron Alexander, Postdoctoral Researcher, UW Madison presents: 🌆 Current Plans & Future Heat Extremes: Modeling Nature-Based Solution Impacts on Urban Eco-hydrometeorology in Milwaukee, WI 🌎 RAL Seminar Series - Explore, Learn, Connect 🌎 Watch Live: ral.ucar.edu/live

🦎 Join us for the 6th Chameleon User Meeting: Infrastructure for AI Research & Education in Computer Science 🖥️ Call for presentations due Feb 13 and travel support available for presenters. www.eventbrite.com/e/6th-chamel...

Did you have to choose between two or more great sessions to attend at #AMS2026? Why not watch both? Online access is now available for all attendees 📽️ Catch any sessions you missed on the online program: https://bit.ly/49vV2Uo

Estuaries are among the most productive ecosystems on Earth! Where rivers meet the sea, fresh and saltwater mix to create dynamic environments that support wildlife, protect shorelines, and help keep our water systems healthy.

📢 AI-driven global weather prediction model output is now available in NSF Unidata! We're pleased to announce AI-driven global weather prediction model output in NSF Unidata datastreams thanks to a partnership with NOAA and NWS. Learn more: https://bit.ly/45HHDYt

That flow tho.

That’s a wrap for #AMS2026! 🌟 We’re grateful for the opportunity to connect, collaborate, and learn alongside such an inspiring and supportive community. See you next year in Denver. Until then, please reach out and continue to connect with us! NSF NCAR RAL • Science Serving Society • ral.ucar.edu

Our Sun is a very active place! ☀️ Scorching, swirling plasma and shifting magnetic fields create stunning solar phenomena, including solar flares and coronal mass ejections that drive solar storms. Solar activity also changes over time, cycling between a minimum and a maximum about every 11 years.

Last day of #AMS2026 - don’t miss it. ✅ Explore our full schedule today and connect with us to learn more about the latest DTC research bridging research and operations. Join our DTC Team members: Man Zhang, Louisa Nance, Molly Smith, and Kathryn Newman!

Let's finish strong #AMS2026! 🌟 Please join us today and keep the conversations going! ral.ucar.edu/ams2026

Join Scott Landolt Today! 12-2 CST at the NSF NCAR Exhibit Booth #119 & learn more about our Transportation Meteorology Applications Program-TMAP #AMS2026 Let's Chat! ➕ Discover more about our Research to Advance Global Transportation Safety & Efficiency with Tailored Weather Tools ral.ucar.edu/tmap

Here's to an excellent Wednesday #AMS2026 ✅ Hope you can join us! • Dustin Swales 9:15-9:30, 352A lnkd.in/dYJzPxv4 • Will Mayfield 15-16:30, Hall B3 lnkd.in/d5zrv_TK • Jeff Beck 17:45-18, 371A lnkd.in/dVPVkWcw dtcenter.org

Join us at #AMS2026 to learn about one of NSF NCAR’s signature initiatives, the Convergence Science Program. We're bringing together the community to overcome barriers and advance what is possible for convergence and translational science for our community. https://bit.ly/4k5b24J

#AMS2026 Wednesday - We're already halfway! 🌟 Let's keep rolling, take a look at today’s lineup and connect with us. ral.ucar.edu/ams2026

🌎 Explore, Learn, Connect - RAL Seminar Series 🌎 🌆 Current Plans & Future Heat Extremes: Modeling Nature-Based Solution Impacts on Urban Eco-hydromet in Milwaukee 🌆 Aaron Alexander, Postdoctoral Researcher, UW-Madison 🌆 Wed, Feb 4, 2026 | 2-3 PM (MT) | Free Hybrid Event ral.ucar.edu/events/2026/...

Check out our full #AMS2026 schedule today! ✅ Join us to discuss the latest DTC research: "Empowering Earth system science & predictions by developing model testing & evaluation solutions that bridge research & operational communities." ams.confex.com/ams/106ANNUA...

Noon today at #AMS2026! Join our Kimberly Fewless to learn more about the NSF NCAR Convergence Program, along with colleague Julie Demuth at the NSF NCAR Exhibit Booth #119. Let's Chat! ams.confex.com/ams/106ANNUA...

Happy Tuesday! 🌟 #AMS2026 is underway, and the conversations are just getting started. Check out our Tuesday lineup and connect with us! ral.ucar.edu/ams2026

Today (Jan. 27) at 5:30 PM in Room 362C and virtually, I will be presenting about the @dtc-community.bsky.social METplus verification package and how it helps bridge research and operations! 🌎🌤️📊 #AMS2026

Great conversations are already underway at #AMS2026! A highlight today⚡ Stefano Alessandrini presenting J3.2 - Comparison of AIFS with IFS, GFS, and HRRR over CONUS. 👉 More about the session here: ams.confex.com/ams/106ANNUA... Explore the full #17Energy program: ams.confex.com/ams/106ANNUA...

Want to learn more about the latest advances in the Model Evaluation Tools (METplus) system? ✅ Join Christina Kalb today at #AMS2026 • Expanding Verification Capabilities: New Advances in the METplus System • MON 17:30 - 17:45 (CST), 342F

Weather nerds unite! 👊🦸‍♀️⚡️ We're so thrilled to be in Houston for #AMS2026. We hope you'll swing by our booth during the Exhibit Hall Opening Reception tonight and say hi! We can't wait to see you. Check out our events and presentations: https://bit.ly/4a9S0Xn

Today at 5:00 CST in 340B and online I'll be presenting some preliminary work we're doing at @ncar-ral.bsky.social to run the Current Icing Product (CIP) every 1 minute to provide rapidly updating in-flight icing information for tactical aviation users! #ams2026 #uas #uam #uav #avgeek #aviation

Welcome to #AMS2026! 🌟 We’re excited to connect - check out our Monday lineup and join the conversations. ral.ucar.edu/ams2026

Excited to be heading to Houston next week for #AMS2026! 🌟 Join us as we present our latest research. Stay tuned for daily highlights and explore our full presentation schedule. Looking forward to great conversations and connections! ral.ucar.edu/ams2026

Calling front range homeschool families, co-ops, and small groups! You are invited to our Homeschool Day: Windy Weather Wonders, a day of free activities, hands-on learning, and fun at the @ncar-ucar.bsky.social Mesa Lab! 🌬️ 🗓️ Thursday, February 26, 2026 📍 NSF NCAR Mesa Lab

In 1964 under the shadow of the Flatirons, ground was broken on Table Mesa for the Mesa Lab site! The NSF NCAR Archives meticulously restored and housed the video reel of the groundbreaking silent film, which can be viewed on YouTube! https://www.archives.ucar.edu/exhibits/ncar-timeline

🤠 JOIN US at #AMS2026! Check out our staff's presentations, and don't miss us at the Career Fair this Saturday and Sunday in Houston, Texas at table 39! cpaess.ucar.edu/ams-2026-cpa...

Join Us Today! 3-4 PM (MT) 🌐 Zhonghua Zheng, Assistant Professor, Data Science & Environmental Analytics, University of Manchester, UK presents: 🌐 Towards More Accessible, AI-Enabled Urban Land Surface Modeling 🌎 RAL Seminar Series - Explore, Learn, Connect 🌎 Watch Live: ral.ucar.edu/live

Join this town hall at the 106th Annual Meeting to hear the latest news on National Science Foundation National Center for Atmospheric Research, federal appropriations, and their impacts on the Weather Water and Climate Enterprise. Learn more about this #AMS2026 session: https://bit.ly/3NNXHS5

Join Us Today! 1-2 PM (MT) 🌀 Jennifer DeHart, Research Scientist, Colorado State University presents: 🌀 Radar Synthesis Tools for Real-Time Hurricane and Heavy Rainfall Analysis 🌎 RAL Seminar Series - Explore, Learn, Connect 🌎 Watch Live: ral.ucar.edu/live

Are you familiar with the NSF NCAR Explorer Series? 🤔 The series brings world-class research to students, educators, and the public through free presentations, videos, and participatory science initiatives. Check out this recap from last year and stay tuned for details about 2026 events!

Looking for ways to connect science with real-world problem solving in the classroom? Join us for a free, virtual professional development session, hosted by NSTA, exploring technology and innovations in road weather science. 📆Feb. 19, 2026 🕔 5:00–6:00 pm MST 💻 Virtual

For National Mentoring Month, we’re excited to highlight our NSF SOARS program!

🌎 Explore, Learn, Connect - RAL/EOL Joint Seminar 🌎 🌀 Radar Synthesis Tools for Real-Time Hurricane and Heavy Rainfall Analysis 🌀 Jennifer DeHart, Research Scientist, Colorado State University 🌀 Wednesday, January 21, 2026 | 1-2 PM (MT) | Free Hybrid Seminar ral.ucar.edu/events/2026/...

Four years ago, the underwater Hunga Tonga volcano 🌋erupted causing an explosive event that could be seen from space. Our researchers were among 159 scientists from 21 countries who published a report looking at the eruption’s far-reaching effects. Check out the report: https://bit.ly/4qUIaOW

🌎 Explore, Learn, Connect - RAL Seminar Series 🌎 🌐 Towards More Accessible, AI-Enabled Urban Land Surface Modeling 🌐 Zhonghua Zheng, Asst. Prof. Data Science & Environmental Analytics, University of Manchester, United Kingdom 🌐 TH, Jan. 22, 2026 | 3-4 PM (MT) | Hybrid ral.ucar.edu/events/2026/...

👏 ✈️ “The snow machine provides a controlled laboratory environment where we can reliably & more accurately test deicing fluids any time of the year.” Scott Landolt, NSF NCAR RAL. Full Story: news.ucar.edu/133015/let-i... ➕ Learn more about our Aviation Weather Research 🛩️ ral.ucar.edu/impacts/avia...

In 1962, the merger between the High Altitude Observatory & UCAR was officially completed & it became part of NCAR. Later that year in with Sacramento Peak Observatory, HAO was deployed to New Guinea to observe the solar eclipse. https://www.archives.ucar.edu/exhibits/ncar-timeline

🎉 We signed up for another 5 yrs of working w/ @DENAirport to keep travelers safe when winter wx threatens their plans. ❄️ ✈️ Our researchers have developed advanced 💻 models and AI techniques to forecast snow and ice at specific points on runways. https://bit.ly/3YyQEig 📸 Courtesy DIA

Models of the atmosphere use previous observations and data to build a view of what might happen in the future. Researchers use advanced atmospheric models to simulate precipitation, wind, severe storm potential, and other weather conditions, improving forecasts and enhancing public safety.

Did you catch this announcement? 👋 ICYMI 👀 We’re now accepting applications for a special DTC Visitor Program opportunity focused on ⭐ Community Engagement in Advancing the UFS Hierarchical System Development (HSD). Onsite visit in Boulder, CO. Learn more & apply! dtcenter.org/visitor-prog...

New publication by @ncar-acom.bsky.social scientist Behrooz Roozitalab at JGR Atmospheres: "Impacts of Socio-Economic Development Scenarios on Long-Term Oceanic Emissions and Abundances of Atmospheric #Bromoform and #Dibromomethane" agupubs.onlinelibrary.wiley.com/doi/10.1029/... #chemistry #ozone

Join Us Today! 1-2PM (MT) 💧 Hun Baek, Postdoctoral Researcher, Lawrence Livermore National Laboratory presents: 💧 Extreme Moisture Transport Changes, Variability, and Feedbacks 🌎 RAL Seminar Series - Explore, Learn, Connect 🌎 Watch Live: ral.ucar.edu/live

🌎 Explore, Learn, Connect - RAL Seminar Series 🌎 💧Extreme Moisture Transport Changes, Variability, and Feedbacks 💧Hun Baek, Postdoctoral Researcher, Lawrence Livermore National Laboratory 💧Wednesday, January 7, 2026 | 1-2 PM (MT) | Virtual ral.ucar.edu/events/2026/...

When the forecast calls for precipitation, how do they know if it's going to rain or snow? Predicting what form precipitation will take is actually pretty tricky, a lot can change as it falls thousands of feet to the ground.

🥳Big congratulations to our new RAL Program Directors!🎉 We’re excited to celebrate this outstanding group of leaders: ⭐Ethan Gutmann ⭐Scott Landolt ⭐Scott Swerdlin ⭐Sarah Tessendorf Bringing deep expertise, strong vision, & a shared commitment to Science Serving Society! ral.ucar.edu/news/ral-wel...

What's better than 1 mission into space? 2! 🛰️ 🛰️ NASA has announced that our CMEx small explorer and our STRUVE cubesat missions can advance. Both missions will give us an unprecedented view of the Sun's mysterious chromosphere. https://bit.ly/3ME5amj https://bit.ly/4iYbFwt