AOS prof Tracey Holloway and UW–Milwaukee environmental health sciences prof Amy Kalkbrenner are exploring the link between air pollution and asthma-related visits to school nurses in Milwaukee Public Schools:

We're thrilled to welcome Fraser King to our faculty as an assistant professor. Learn more in a brief Q&A with Fraser about his background, research, and what excites him about UW–Madison and AOS: www.aos.wisc.edu/news/q&a_fra...

AOS professor Michael Morgan is the new L&S Associate Dean for Research. He brings a wealth of experience, having held numerous departmental, campus, and federal leadership roles, and is well positioned to help address the challenges facing academic research today. Congratulations, Michael!

NCAR has been the magic sauce that has made weather/climate studies and advances in US and the world over great. madison.com/news/local/e... www.jsonline.com/story/news/e...

We’re thrilled to announce our 2025 alumni award winners! John Knox is the recipient of the AOS Distinguished Alumni Award for Outstanding Achievement: go.wisc.edu/9xt2po Melissa Breeden is the recipient of AOS Early Career Alumni Award: go.wisc.edu/r5ae23 Congratulations to you both!

Here is Ecometeorology and colleague AGU 25 line up - lots of good stuff here: flux.aos.wisc.edu/projects/202...

Join us today for our Colloquium Series at 3:30 CST! Hao Fu, associate professor, School of Atmospheric Sciences, Nanjing University, will discuss "The Fluid Dynamics of Spontaneous Tropical Cyclogenesis." Livestream: www.youtube.com/watch?v=trXb...

Please join us for the last Weather Watch of the fall semester at 12:15 PM CST (1815 UTC) today, December 5, 2025, streaming online at go.wisc.edu/uwaos-wxwatch Hope to see you there!

UW–Madison‘s statewide network of hyper-local weather stations gives Wisconsin growers a powerful tool called Wisconet to reduce costs and improve yields.

Featuring AOS prof. @alopezlang.bsky.social!

Join us today for our Colloquium Series at 3:30 CST! Elizabeth Yankovsky, assistant professor of earth and planetary sciences, Yale University, will discuss "Geophysical Fluid Dynamics Perspectives on Marine Carbon Dioxide Removal." Livestream: go.wisc.edu/uwaos-youtube

Join us today for our Colloquium Series at 3:30 CST! John Albers, research scientist at NOAA Physical Sciences Laboratory and AOS alumnus, will discuss "Real-Time Identification of ‘Forecasts of Opportunity’ to Improve Subseasonal Forecast Guidance." Livestream: www.youtube.com/watch?v=tIiy...

Please join us for Weather Watch of at 12:15 PM CST (1815 UTC) today, November 21, 2025, streaming online at go.wisc.edu/uwaos-wxwatch Hope to see you there! There will be no Weather Watch next week, the Friday after Thanksgiving.

PhD defense seminar from Nikaan Koupaei-Abyazani from Ecometeorology lab @uwmad-aos.bsky.social today at 1 pm CST - watch online: Title: A Different Peat Perspective: Quantifying Tropical Peatland Ecosystem Variables from the Ground and from Space www.youtube.com/watch?v=TnY3...

It’s always great to chat about the stratosphere. The last major sudden stratospheric warming event to occur in November was in 1968! We might do it again this year. We’ve had a few minor events in since then (e.g., 1996, 2000, 2009, 2016) and they hint at an active wintery December!

Join us today for a Department Seminar at 2:30 CST! Doreen Mwara Anande, AOS graduate student, will discuss "Unpacking Africa's Hydroclimatic Volatility: A Climatology of Rapid Change Events and Their Large-Scale Drivers." Livestream: www.youtube.com/watch?v=Cp8D...

Join us today for an AOS-CPEP joint colloquium at 3:30 CST! LuAnne Thompson, professor of oceanography, University of Washington, will discuss "Impacts, Tracking, and Predicting Marine Heatwaves." Note: This will be a remote presentation. Livestream: go.wisc.edu/uwaos-youtube

Please join us for Weather Watch of at 12:15 PM CST (1815 UTC) today, November 14, 2025, streaming online at go.wisc.edu/uwaos-wxwatch Remember that we are starting at 12:15 PM this semester because there is a class in the room right before Weather Watch. Hope to see you there!

From the top of the Atmospheric, Oceanic, and Space Sciences building @uwmadison.bsky.social you can get a sense of how great the aurora was last night. This is the west view (not north!) youtu.be/V10uZNIuSCU Thanks @uwmad-aos.bsky.social & @pth1.bsky.social for sharing the video!

Join us today for our Colloquium Series at 3:30 CST! Hannah Vagasky, staff scientist, Atmospheric and Environmental Research, JANUS Research Group, will discuss "Exploring Melting Hail Using One-Dimensional Hail Trajectory Modeling and Observations." Livestream: www.youtube.com/live/8rHOV8R...

Please join us for Weather Watch of at 12:15 PM CST (1815 UTC) today, November 7, 2025, streaming online at go.wisc.edu/uwaos-wxwatch Remember that we are starting at 12:15 PM this semester because there is a class in the room right before Weather Watch. Hope to see you there!

Join us today for a Department Seminar at 2:30 CST! Jonah Shaw, PhD candidate, CU Boulder, and honorary fellow, UW–Madison SSEC, will discuss "New Methods, Tools, and Datasets to Narrow the Model-Observation Gap." Livestream: www.youtube.com/watch?v=tLcv...

We love the “super network” of ASOS, AWOS, RAWS, and Wisconet stations. It provides a very high resolution view of the weather across Wisconsin. All told, it’s close to 200 stations that have almost every acre of Wisconsin land within 20 miles of a weather station.

Join us today for our Colloquium Series at 3:30 CST! Yunji Zhang, assistant professor of meteorology and atmospheric science at Penn State, will discuss "CONUS PBL Observations from NEXRAD: Climatology, Model Verification, and Data Assimilation." Livestream: www.youtube.com/watch?v=HQhf...

📌 Registration for the 106th Annual Meeting is open! Take 5 minutes now to renew your 2026 AMS membership so you can register for the meeting with a deep discount. ➡️Renew your membership now: https://bit.ly/3Ixxpl6

Please join us for last Weather Watch of Daylight Saving time at 12:15 PM CDT (1715 UTC) today, October 31, 2025, streaming online at go.wisc.edu/uwaos-wxwatch Hope to see you there!

Here's a loop of the 1-minute mesoscale visible imagery of Hurricane Melissa from roughly 18 UTC Oct 24 through 15 UTC Oct 29. These are not remapped, so the image jumps when the meso sector moves, usually around 18 UTC each day. youtube.com/shorts/fIuAD...

Here's a loop of the 1-minute mesoscale IR imagery of Hurricane Melissa from roughly 18 UTC Oct 24 through 15 UTC Oct 29. These are not remapped, so the image jumps when the meso sector moves, usually around 18 UTC each day. youtu.be/UDjN0PTnX8Q

Join us today for a Department Seminar at 2:30 CDT! Ally Vizcarra, AOS graduate student, will defend her MS thesis and discuss "Understanding ENSO Seasonality Through Deterministic and Noise-Forced Frameworks." Livestream: www.youtube.com/watch?v=6-Tc...

Oh hey, that's us! Wisconet gets global recognition for user weather tools! energy.wisc.edu/news/wiscone...

Today at 3:30 CDT! Join us for our Colloquium Series with Claire Pettersen, who will discuss "Observing and Characterizing High-Latitude Precipitation Processes: Perspectives from Space and Ground." Livestream: go.wisc.edu/uwaos-youtube

Please join us for Weather Watch at 12:15 PM CDT (1715 UTC) today, October 24, 2025, streaming online at go.wisc.edu/uwaos-wxwatch Remember that we are starting at 12:15 PM this semester because there is a class in the room right before Weather Watch. Hope to see you there!

Today at 3:30 CDT! Join us for an AOS-CPEP joint colloquium with Peggy McNeal, professor, Towson University, who will discuss "Adventures in Atmospheric Science Education Research (ASER): The Role of Cognition in Learning Atmospheric Science." Livestream: www.youtube.com/watch?v=geeB...

Please join us for Weather Watch at 12:15 PM CDT (1715 UTC) today, October 17, 2025, streaming online at go.wisc.edu/uwaos-wxwatch Remember that we are starting at 12:15 PM this semester because there is a class in the room right before Weather Watch. Hope to see you there!

Join us today for a Department Seminar at 2:30 CDT! Megan Schaaf, AOS graduate student, will defend her MS thesis and discuss "Global Precipitation Efficiency in Deep Convection from a Satellite Perspective." Livestream: www.youtube.com/watch?v=mNOp...

A huge thank you to all the AOS supporters who made last week’s Fill the Hill 🦩 the most fla-mazing one yet, for us and the university! We had a record-breaking campaign, and we’re so grateful to be part of a community that invests in AOS students and their success.

Today @ 3:30! Join us for an AOS colloquium w/ Paul Stoy, prof of biological systems engineering, UW–Madison, who will discuss "Toward Medium-Range Forecasts of Carbon and Water Cycling: Taking Inspiration from Atmospheric Science to Advance Ecosystem Science." Livestream: go.wisc.edu/uwaos-youtube

Please join us for Weather Watch at 12:15 PM CDT (1715 UTC) today, October 10, 2025, streaming online at go.wisc.edu/uwaos-wxwatch Remember that we are starting at 12:15 PM this semester because there is a class in the room right before Weather Watch. Hope to see you there!

Fill the Hill is off to a great start! Each gift makes a difference and provides travel support to professional conferences for students, such as when AOS graduate student Claire Mundi was able to attend the Women in the Sciences Leadership Workshop. Give today before 5 pm CDT! go.wisc.edu/5348a6

Fill the Hill and the flamingos are back! Be part of the feathered fun Oct 9–10, and support AOS at go.wisc.edu/5348a6. Gifts go to our discretionary fund and are used in impactful ways, helping students gain research experience and attend academic conferences. Will you join our AOS flock?

WOO HOO!! Proud to share that TWO @uwmadison.bsky.social faculty were just announced as 2025 MacArthur Foundation “genius grant” recipients. HUGE congrats to Ángel F. Adames Corraliza & Sébastien Phillipe, doing amazing work on tropical storms & nuclear security, respectively.👏

Two extraordinary UW–Madison professors — nuclear security specialist Sébastien Philippe and atmospheric scientist Ángel F. Adames Corraliza — have been named 2025 MacArthur "genius grant" fellows by @macfound.org. Congratulations and On, Wisconsin!

Congratulations to Ángel F. Adames Corraliza, the Ned P. Smith Distinguished Chair of Climatology in @uwmad-aos.bsky.social for being awarded a 2025 MacArthur Foundation Fellowship--also known as "Genius Grants." Fellows receive an $800,000 stipend with no conditions. news.wisc.edu/two-uw-madis...

We are thrilled and proud to share that AOS prof Ángel F. Adames Corraliza has been named a 2025 MacArthur Fellow! Congrats, Ángel! The department is ecstatic for you. In addition to the MacArthur announcement linked below, check out the UW–Madison news release here: go.wisc.edu/r0ff84

Join us today for a Department Seminar at 2:30 CDT! Carolyn Bean, AOS graduate student, will defend her MS thesis and discuss "A Qualitative Far-Infrared Characterization of Convective Cloud-Tops." Livestream: www.youtube.com/watch?v=8ZPP...

We’re going live today! ⏰ Join #ScienceOnThe7th with Tracey Holloway (@uwmad-aos.bsky.social) to learn how satellite remote sensing is helping us better understand and address air quality. 📅 Today, Oct 7 | 🕘 9 AM EDT / 1 PM GMT 🔗 tinyurl.com/4eyxmrmr

Happening tomorrow! Join UW–Madison's 2025 Climate Change Symposium as we explore climate solutions for building resilient communities with a keynote talk, panel discussion, and audience Q & A. Free, open to the public, and registration appreciated: ccr.nelson.wisc.edu/climate-chan...

The flamingos are coming! 🦩 Will you help us Fill the Hill Oct 9–10? Join in the feathered fun and make a gift starting at 5 pm CDT, Thurs, 10/9: uwflamingos.com/campaign/atm....

Please join us for Weather Watch at 12:15 PM CDT (1715 UTC) today, October 3, 2025, streaming online at go.wisc.edu/uwaos-wxwatch Remember that we are starting at 12:15 PM this semester because there is a class in the room right before Weather Watch. Hope to see you there!