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Developmental Testbed Center (DTC)
@dtc-community.bsky.social
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A joint NCAR-NOAA facility supporting the NWP community through tools, testing, & evaluation of new models & techniques for use in research & operations. dtcenter.org
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ncar-ucar.bsky.social
Grab the hot cocoa! ❄️ Today marks the beginning of meteorological winter, running from December through February. Unlike astronomical seasons determined by the rotation of Earth around the Sun and marked by equinoxes and solstices, meteorological seasons are based on the annual temperature cycle.
The Mesa Lab is surrounded by snow and snowy mountains.
December 1, 2025 at 5:09 PM
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ncar-ral.bsky.social
🎉Congratulations to Curtis Walker on receiving the UCAR Outstanding Accomplishment in Mentoring Award! This award recognizes Dr. Walker’s exceptional, sustained commitment to developing the next generation of Earth-system scientists.👏Thank you for your remarkable commitment to others. Well deserved!
This award recognizes Dr. Walker’s exceptional, sustained commitment to developing the next generation of Earth-system scientists. Since 2020, Dr. Walker has mentored students and postdoctoral fellows from high school through early-career stages, offering technical expertise, career guidance, and steadfast encouragement that have shaped their professional trajectories. His mentees are now on their own successful career paths, leading research projects, proposals, and papers, and they carry forward his example of mentorship grounded in integrity and care.
November 21, 2025 at 6:40 PM
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ncar-ucar.bsky.social
On Nov 20, the NSF NCAR High Altitude Observatory (HAO) celebrated 85 years (you read that right: 85 years!!!) of studying the Sun! Founded in 1940 and then merged with NCAR in 1962, HAO has conducted world-class research, pioneering coronagraph development, eclipse expeditions & more!
A person is adjusting a large telescope inside an observatory dome, reaching upward towards the telescope's mechanism. The background shows a clear sky through the dome's open panels. A researcher looks through lenses on an instrument outdoors. Two female researchers and one male researcher in scrubs work on an instrument in the 1950s.
November 24, 2025 at 5:07 PM
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ncar-ucar.bsky.social
Undergrads & grad students, check out our internships!
Apps due Jan. 4:
🌎 NESSI is open to undergrads looking for research mentorship.
Apps due Jan. 20:
🌐 NSF SOARS bridge and career pathways program open to undergrads to support research.
Text over a photo of Earth that says "Student Opportunities"
November 25, 2025 at 6:05 PM
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ncar-ucar.bsky.social
Undergrads & grad students, we have open internships!
Apps due Jan. 20:
👩🏻‍💻 SIParCS program offers undergrad & grad students HPC research & development opps.
💻 The @ncar-cisl.bsky.social CODE internship provides admin support to SIParCS program.
https://ucar.wd5.myworkdayjobs.com/en-US/UCAR_Careers
Text over a photo of Earth that says "Student Opportunities"
November 25, 2025 at 6:06 PM
dtc-community.bsky.social
📢Announcement of Opportunity! DTC Visitor Program Special Call🎉 We are excited to invite applications for a special opportunity focused on Community Engagement in Advancing the Unified Forecast System (UFS) Hierarchical System Development (HSD). Learn more & apply here! dtcenter.org/visitor-prog...
Announcement of Opportunity (AO) - DTC Visitor Program Special Call This call, which is sponsored by the EPIC Program Office, seeks to engage early-career researchers (within 5 years of degree completion) and graduate students to collaborate with DTC and its partners to expand and enhance the HSD framework. Note: Federal employees are not eligible for this call.
November 20, 2025 at 9:45 PM
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ncar-ucar.bsky.social
Hurricane Melissa produced the fastest hurricane winds to be recorded by a dropsonde, verified by reviewing data at NSF NCAR! Hurricane Melissa’s 252 mph wind gust surpassed the previous record from Typhoon Megi over the Western Pacific in 2010, where a dropsonde measured wind gusts of 248 mph.
November 19, 2025 at 5:37 PM
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ncar-ucar.bsky.social
Let’s explore the NSF NCAR Timeline! In 1961, NCAR found its forever home in Boulder, CO, on Table Mesa. After a vote by Boulder residents in favor of the site, the land on Table Mesa was donated to the NSF by the State of Colorado.

https://www.archives.ucar.edu/exhibits/ncar-timeline
November 20, 2025 at 5:27 PM
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ncar-cisl.bsky.social
We can't wait for tomorrow's events at #SC25! Be sure to stop by Booth #4032 where you can learn more about NSF NCAR's premiere computational science internship program.

We will be at the SC25 Job Fair at booth JF10 from 10:30 am – 3 pm CST.
⭐ Learn more: www.cisl.ucar.edu/events/nsf-n...
NSF NCAR @SC25: See how we're powering Earth Systems Science | Computational and Information Systems LabNSF NCAR @SC25: See how we're powering Earth Systems Science | Computational and Information Sys...
www.cisl.ucar.edu
November 18, 2025 at 9:17 PM
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ncar-cisl.bsky.social
🌟 ☁️Introducing CIRRUS: NSF NCAR'S new on-prem cloud service!

CIRRUS is designed to seamlessly integrate with NSF NCAR's existing HPC infrastructure, support software development, and host various research applications for Earth system science.

➡️ Learn more: www.cisl.ucar.edu/news/introdu...
Introducing CIRRUS: NSF NCAR’s new on-prem cloud service | Computational and Information Systems LabIntroducing CIRRUS: NSF NCAR’s new on-prem cloud service | Computational and Information Systems La...
www.cisl.ucar.edu
November 12, 2025 at 6:21 PM
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ncar-ucar.bsky.social
Serving up a fresh, new update to Fast Eddy! 🍕 @ncar-ral.bsky.social is introducing Fast Eddy 4.0, an open source, GPU-enabled microscale model filled with all new features...
November 11, 2025 at 9:23 PM
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ncar-ral.bsky.social
Join Us Today! 1-2PM (MT) 🌧️ Zhe Zhang, NSF NCAR presents: 🌧️ Benchmarking MPAS-NoahMP for S2S Prediction: A Long-Term Assessment of Key Global Meteorological Pattern and Land-Atmosphere Interactions
🌎 RAL/MMM Seminar Series - Explore, Learn, Connect 🌎
Watch Live: ral.ucar.edu/live
ncar-ral.bsky.social NSF NCAR Research Applications Laboratory @ncar-ral.bsky.social · 27d
🌎 Explore, Learn, Connect - RAL/MMM Seminar Series 🌎
✈️Benchmarking MPAS-NoahMP for S2S Prediction: A Long-Term Assessment of Key Global Meteorological Pattern & Land-Atmosphere Interactions
✈️Zhe Zhang, NSF NCAR
✈️WED, Nov 12 | 1-2 PM (MT) | Free hybrid event
Show me more! ral.ucar.edu/events/2025/...
RAL/MMM SEMINAR: Benchmarking MPAS-NoahMP for S2S Prediction: A Long-Term Assessment of Key Global Meteorological Pattern and Land-Atmosphere Interactions
November 12, 2025 at 3:21 PM
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ncar-ral.bsky.social
🌎 Explore, Learn, Connect - RAL/MMM Seminar Series 🌎
✈️Benchmarking MPAS-NoahMP for S2S Prediction: A Long-Term Assessment of Key Global Meteorological Pattern & Land-Atmosphere Interactions
✈️Zhe Zhang, NSF NCAR
✈️WED, Nov 12 | 1-2 PM (MT) | Free hybrid event
Show me more! ral.ucar.edu/events/2025/...
RAL/MMM SEMINAR: Benchmarking MPAS-NoahMP for S2S Prediction: A Long-Term Assessment of Key Global Meteorological Pattern and Land-Atmosphere Interactions
November 6, 2025 at 4:29 PM
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ucarscied.bsky.social
This weekend heroes assembled at the @ncar-ucar.bsky.social Mesa Lab for an action-packed day of science and fun! Thank you to everyone who joined us for Super Science Saturday—we had incredible weather and a super turnout from our community. 💥
A scientist in a blue shirt doing a demonstration with a dropsonde outside in front of a large crowd A person holding a plasma ball in a dark room with a large projection of the plasma ball on a screen behind them Two scientists doing demonstration with a leaf blower and toilet paper Looking down at a large crowd gathered around a science experiment outside
November 5, 2025 at 7:16 PM
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ncar-ral.bsky.social
✨ A BIG THANK YOU to our RAL Superhero Volunteers who helped make UCAR’s Super Science Saturday at the Mesa Lab a success! Over 1,400 visitors joined in celebrating! We’re proud to support this community event & grateful to all who help inspire the next generation of scientists and innovators. ✨
This year’s “Heroes Assemble!” theme featured our NSF NCAR RAL Wizards: Christina Kalb (“Bolt from the Blue”), Tracy Hertneky (“Gale Force”), and Jared Lee (“Waldo the Super-Hider”), along with volunteer Matt Wilson.
November 5, 2025 at 6:08 PM
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ncar-ral.bsky.social
Join Us Today! 1-2PM (MT) ✈️ Larry Cornman, NSF NCAR RAL - The National Center for Atmospheric Research presents: ✈️ Energy Dissipation Rate Estimation From a Statistical Signal Processing Perspective
🌎 RAL Seminar Series - Explore, Learn, Connect 🌎
Watch Live: ral.ucar.edu/live
ncar-ral.bsky.social NSF NCAR Research Applications Laboratory @ncar-ral.bsky.social · Oct 29
🌎 Explore, Learn, Connect - RAL Seminar Series 🌎
✈️ Energy Dissipation Rate Estimation From a Statistical Signal Processing Perspective
✈️ Larry Cornman, NSF NCAR RAL - National Center for Atmospheric Research
✈️ WED, Nov 5 | 1-2 PM (MT) | Free hybrid event
More! ral.ucar.edu/events/2025/...
Energy Dissipation Rate Estimation From a Statistical Signal Processing Perspective - Larry Cornman, NSF NCAR RAL - National Center for Atmospheric Research
November 5, 2025 at 3:55 PM
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ucarscied.bsky.social
Join us at CSU Spur in Denver this Friday November 7th for the Colorado Science Conference!
A group of six staff members smiling standing behind the UCAR Center for Science Education booth
November 4, 2025 at 5:24 PM
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ncar-ral.bsky.social
🌟 A huge THANK YOU RAL Advisory Panel members! 🌟
We had the pleasure of hosting our panel meeting, an energizing exchange of ideas & perspectives from leaders across the academic & operational sectors. We’re honored to have your expertise & continued collaboration. ral.ucar.edu/about/ral-ad...
RAL Advisory Panel 2025
October 31, 2025 at 3:44 PM
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ncar-ucar.bsky.social
Undergraduate opportunity! 📣 The NSF SOARS program is open for applications! SOARS is an undergrad-grad bridge program focusing on promoting and supporting research, mentoring, and community.

Learn more about eligibility and the app process:
ucar.wd5.myworkdayjobs.com/en-US/UCAR_C...
2026 NSF SOARS® First-Year Protege
Job Description Summary: UCAR is excited to announce the application opening of the U.S. National Science Foundation (NSF) Significant Opportunities in Atmospheric Research and Science (SOARS) program...
ucar.wd5.myworkdayjobs.com
November 3, 2025 at 8:57 PM
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ncar-cisl.bsky.social
@ncar-ucar.bsky.social @SC25 Conference: See how we're powering Earth Systems Science 🌎 . Check out Booth #4032 schedule to meet our Experts, find out about staff engagement, hear some intern presentations, and learn more about the work we do. See you in 2 weeks! www.cisl.ucar.edu/events/nsf-n...
NSF NCAR @SC25: See how we're powering Earth Systems Science | Computational and Information Systems LabNSF NCAR @SC25: See how we're powering Earth Systems Science | Computational and Information Sys...
www.cisl.ucar.edu
November 3, 2025 at 8:42 PM
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ncar-ucar.bsky.social
Flying over New York City, the NSF NCAR C-130 aircraft traversed the skies of the tri-state area to collect data on urban air quality for the Greater New York Oxidant, Trace Gas, Halogen, and Aerosol Airborne Mission (GOTHAAM). 🧵
October 29, 2025 at 10:09 PM
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ncar-ral.bsky.social
🚀 Announcing FastEddy® 4.0! The latest release of this groundbreaking, open source GPU-based model. Extensions include explicit incorporation of models for buildings, wind turbine effects & more. Check it out! ral.ucar.edu/news/just-re...
October 27, 2025 at 8:38 PM
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ucarscied.bsky.social
Visit our website to register for upcoming sessions and sign up to be notified as new workshops are added. We can't wait to share our toolbox for inspiring student investigation!
#TeacherPD #K12 #NGSS #ScienceEducation
Ten people standing in a circle talking and holding packets of paper on an overcast day. They are standing in a lush green field with tall pine trees in the distance and the Flatiron mountains in the background.
October 23, 2025 at 8:05 PM
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ncar-ucar.bsky.social
On Wed., Nov. 12 from 7-8:30 PM MT, NSF NCAR scientists Kristen Krumhardt and Alice DuVivier will discuss how Earth System Models are used to investigate polar ecosystem change for the next Explorer Series lecture. Join us virtually or in-person at the Mesa Lab!

www.eventsquid.com/event.cfm?id...
October 27, 2025 at 9:25 PM
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ucarscied.bsky.social
Ready for an adventure, perfect for classrooms or home learning? 🎲 In our Nitrogen Cycle Game, you will take on the role of nitrogen and explore how it moves through Earth's systems. Roll the dice to discover where your journey takes you!
scied.ucar.edu/interactive/...
A screenshot from the beginning of the game saying "station 1: live plants. You are currently solid nitrogen inside a living plant." with a white flower growing in the center of the screen A screenshot from the end of the game showing a full passport of stamps collected from locations and stations throughout the game
October 17, 2025 at 4:35 PM