ARM User Facility

ARM User Facility ARM is a U.S. Department of Energy scientific user facility and a contributor to atmospheric research. S.

The Atmospheric Radiation Measurement (ARM) User Facility is a multi-laboratory, U. Department of Energy (DOE) scientific user facility, and a key contributor to national and international atmospheric research efforts. ARM was the first atmospheric research user facility to deploy a comprehensive suite of cutting-edge instruments to continually measure cloud and aerosol properties and their impact

s on Earth’s energy balance. This strategy revolutionized scientists’ ability to collect long-term statistics of detailed cloud properties and now serves as a model for similar programs around the world. ARM provides:

• Data – Access more than 30 years of atmospheric data gathered from fixed-location observatories and field campaigns

• Observatories – Use heavily instrumented fixed-location atmospheric observatories in Oklahoma, Alaska, and the
Azores, including aerial (crewed and uncrewed) and mobile facilities

​• Instruments – Explore more than 400 instruments that collect data at locales spanning diverse meteorological regimes

• Campaigns – Conduct atmospheric science in strategic locations around the world

• Models – Retrieve large-eddy simulation modeling data, simulations, and analysis tools

• Publications – Discover ARM-related research on clouds and aerosols, their interaction with the Earth’s energy balance, and representation in earth system models.

🎉 Today marks 6️⃣ years since the Cold-Air Outbreaks in the Marine Boundary Layer Experiment (COMBLE) completed operatio...
05/31/2026

🎉 Today marks 6️⃣ years since the Cold-Air Outbreaks in the Marine Boundary Layer Experiment (COMBLE) completed operations in northern Norway on May 31, 2020.

Set against the striking backdrop of the Arctic Ocean ice edge and the Norwegian Sea, COMBLE, led by Bart Geerts, University of Wyoming, collected detailed measurements of winds 💨, temperature 🌡️, cloud properties 🌧️, atmospheric structure, and rare high-latitude aerosol data, including ice-nucleating particles that influence cloud formation.

Scientists continue to leverage COMBLE’s rich data set to improve representations of mixed-phase clouds and cloud organization in earth system models. 🌎🌍

🔗 Explore from : https://bit.ly/4uPr6Mv

📷: An ARM Mobile Facility was deployed on the Norwegian island of Andøya during COMBLE. Photo by David Oaks, Hamelmann Communications.

05/29/2026

📚 We're still on cloud nine after wrapping up our 2026 Big Open Data Science Summer School in Norman, Oklahoma!

A huge thank you to the National Weather Center and the Cooperative Institute for Severe and High-Impact Weather Research and Operations (CIWRO) for helping make last week's summer school a success, and to all the students, instructors, mentors, and organizers who made it such a memorable experience.

We're already looking forward to our 2027 summer school, Open Science in the Desert, held in conjunction with the Desert-Urban SysTem IntegratEd AtmospherIc Monsoon (DUSTIEAIM) field campaign in Phoenix, Arizona. 🌵⛈️

See you next year!

05/28/2026

From hands-on ✋ activities using ARM data to collaborative discussions focused on artificial intelligence ✨, ARM's 2026 Big Open Data Science Summer School brought together the next generation of atmospheric researchers to explore the power of open science. 🌦️💻

Watch this video for a behind-the-scenes look at the scientific questions tackled by graduate student Ashlynne Gary, The University of Arizona, and her project team at this year’s summer school! 🎥

That’s a wrap on ARM's 2026 Big Open Data Science Summer School! ☁️📈 After an incredible week, we want to thank all of t...
05/23/2026

That’s a wrap on ARM's 2026 Big Open Data Science Summer School! ☁️📈

After an incredible week, we want to thank all of the students, instructors, mentors, speakers, and staff who helped make this year’s summer school such a success at the National Weather Center in Norman, Oklahoma. 💻

From hands-on work with atmospheric data sets, open science tools, and artificial intelligence to new connections and shared ideas, this week showcased the power of collaboration within the scientific community. We’re excited to see where these students take their new skills and experiences next!

Thank you to everyone who was part of this unforgettable week. 🎉

As ARM’s 2026 Big Open Data Science Summer School wraps up today, we want to extend a huge THANK YOU to the Advanced Rad...
05/22/2026

As ARM’s 2026 Big Open Data Science Summer School wraps up today, we want to extend a huge THANK YOU to the Advanced Radar Research Center for providing a tour and to Cooperative Institute for Severe and High-Impact Weather Research & Operations CIWRO for hosting us at the National Weather Center in Norman, Oklahoma. Your collaboration 🤝 helped create an unforgettable experience for our students and instructors alike. Thank you for helping foster the next generation of atmospheric researchers! 🌦️🌩️🎓

Day 4 of ARM’s 2026 Big Open Data Science Summer School continued with students finalizing projects using ARM data sets ...
05/22/2026

Day 4 of ARM’s 2026 Big Open Data Science Summer School continued with students finalizing projects using ARM data sets to tackle scientific questions involving water v***r, cloud and precipitation properties, aerosol classification, particle formation, and cloud representation in models. Tomorrow’s presentations will highlight the innovative work completed by the students throughout the week. Good luck to all of the presenters! 🎓🗣️

05/21/2026

💥 Day 4 at ARM summer school means it’s hackathon time! 💻

This week’s participants are putting their new skills to work by collaborating on projects and using open science tools to tackle real-world research challenges. From coding and visualization to teamwork and problem-solving, the energy in the room has been incredible to watch. 🌎📊

Check out the video to see this year’s students in action as they dive deeper into the ARM summer school experience at the National Weather Center!

05/20/2026

🤠 What is one of the highlights of this year's ARM summer school? Visiting the Southern Great Plains atmospheric observatory in Oklahoma! 🌾🌦️️

This week, students had the opportunity to see ARM science operations in action by exploring the observatory, learning about the instruments that collect important atmospheric measurements, and getting a firsthand look at how data are gathered to support research around the world. 🌎

Watch the video for a behind-the-scenes look at their visit and experience a little of the excitement alongside this year’s ARM summer school participants!

ARM’s 2026 “Big Open Data Science Summer School” kicked off Monday, May 18, for a week full of open science, artificial ...
05/19/2026

ARM’s 2026 “Big Open Data Science Summer School” kicked off Monday, May 18, for a week full of open science, artificial intelligence-focused ✨ discussions, and hands-on 🖐️ learning using ARM data. A big THANK YOU 🎉 to the ARM staff who are serving as instructors and mentors as part of summer school! Your time, creativity, and expertise play an essential role in creating a valuable and engaging experience for students. 🏫

ARM 2026 summer school mentors and instructors:

•Joe O'Brien, Scott Collis, Robert Jackson, Bhupendra Raut, Adam Theisen, and Maria Cadeddu, Argonne National Laboratory
•Bill Gustafson and Jingjing Tian, Pacific Northwest National Laboratory
•Hsi-Yen Ma, Lawrence Livermore National Laboratory
•Chirag Shah, Oak Ridge National Laboratory
•Connor Flynn, University of Oklahoma
•Andrew Dzambo, Cooperative Institute for Severe and High-Impact Weather Research and Operations (CIWRO)
•Alyssa Sockol, University of Oklahoma/CIWRO

05/19/2026

📚 Day 2 is underway at ARM Summer School: Big Open Data Science!

Today’s sessions are bringing students deeper into the world of atmospheric science through hands-on data exploration, open-source tools, artificial intelligence, and collaborative problem-solving at the National Weather Center in Norman, Oklahoma. 🌎✨

From building new skills to making new connections, it’s exciting to watch this year’s group learn together throughout the week. 🧠💻

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902 Battelle Boulevard
Richland, WA

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+15093752111

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