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UW–Madison Department of Atmospheric & Oceanic Sciences

@uwmad-aos.bsky.social
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News and information from the Department of Atmospheric and Oceanic Sciences at the University of Wisconsin–Madison.

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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 14h
Today at 3:30 CT! Ian Eisenman, professor at @scrippsocean.bsky.social, will discuss "Reevaluating Arctic Amplification and Climate Sensitivity Across Climates from Snowball Earth to an Ice-Free Hothouse." Livestream: www.youtube.com/watch?v=Qp17...
AOS colloquium with Ian Eisenman, Monday, Oct. 12
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Wisconet @wisconet.bsky.social · 07/10/2026
Need something to do next weekend? We're hosting the 3rd Annual Wisconsin Weather Festival on October 17 between 10 am and 1 pm! Be sure to stop by @uwenergy.bsky.social to visit with a lot of great weather and climate-related exhibits. More details: wisconet.wisc.edu/events/weath...
wisconet.wisc.edu
Wisconet
Wisconet is a statewide network of weather and soil monitoring stations in Wisconsin, delivering high-quality data every 5 minutes to support research, agriculture, and public safety.
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 07/10/2026
Join us today for an AOS seminar/MS presentation at 2:30 CT! Sulei Wang, AOS graduate student, will discuss "El Niño-Southern Oscillation Diversity Impacts on Madden-Julian Oscillation Teleconnections." Livestream: www.youtube.com/watch?v=hDZI...
AOS seminar with Sulei Wang, Wed, Oct 7
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 05/10/2026
Join us today for an AOS-CPEP joint colloquium at 3:30 CT! Miguel Hilario, researcher at the UW-Madison Space Science and Engineering Center, will discuss "Measurements of the July 2026 Canadian Wildfire Smoke Event by the SPARC Mobile Laboratory." Livestream: www.youtube.com/watch?v=ulIZ...
AOS-CPEP colloquium with Miguel Hilario, Monday, Oct 5
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 02/10/2026
Fill the Hill is off to a great start! Thanks to our generous supporters, AOS is currently in the top 25 leaderboard across all of campus. Visit uwflamingos.com/aos and help us finish strong before 5 pm CDT!
uwflamingos.com
Atmospheric and Oceanic Sciences - Fill The Hill
Since 1948, the Department of Atmospheric and Oceanic Sciences (AOS) has been at the forefront of weather, climate, and ocean science, with nationally recognized graduate and undergraduate programs. O...
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 01/10/2026
Fill the Hill is here! Be part of the feathered fun Oct 1–2 and support AOS at uwflamingos.com/aos. Gifts directly support students in ways that extend beyond the classroom, including conference travel grants, hands-on research opportunities, and scholarships. Will you join our AOS flock?
Lawn flamingo in front of atmospheric, oceanic, and space sciences building
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 30/09/2026
Join us today for an AOS seminar/MS presentation at 3:00 CT! Jonathan Chambers, AOS graduate student, will discuss "Cloud Mass Meridional Transport Events." Livestream: go.wisc.edu/uwaos-youtube
AOS seminar with Jonathan Chambers, Wed, Sept 30
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 28/09/2026
Join us today for an AOS-CPEP joint colloquium at 3:30 CT! Adam Sobel, professor at Columbia University’s Lamont-Doherty Earth Observatory, will discuss "Usable Climate Risk Science: Motivation, Examples, and a Proposal." Livestream: go.wisc.edu/uwaos-youtube
AOS colloquium with Adam Sobel, Monday, Sept 28
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 23/09/2026
The 🦩🦩🦩 are coming! Will you help us Fill the Hill Oct 1–2? Each pink flamingo on Bascom Hill represents the support of the extended Badger community, whose philanthropy plays a vital role in keeping AOS and the UW strong. Join in the feathered fun at uwflamingos.com/aos.
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 23/09/2026
Today at 2:30 CT! Emily Glazer, PhD candidate in Earth and Environmental Sciences at Columbia University, will discuss "An Investigation of Ice-Shelf Stability Through Remote Sensing, Numerical Modeling, and (Soon!) In-Situ Observations." Livestream: www.youtube.com/watch?v=rO31...
AOS Seminar with Emily Glazer, Wednesday, Sept 23, 2026
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 21/09/2026
Today at 3:30 CT! Melissa Breeden, atmospheric scientist and 2025 AOS Early Career Alumni Award recipient, will discuss "Subseasonal-to-Seasonal Prediction and its Application to Famine Early Warning." Livestream: www.youtube.com/watch?v=qsSJ...
AOS colloquium with speaker Melissa Breeden on Monday, September 21, 2026 at 3:30 pm CT
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 16/09/2026
Join us today for an AOS seminar at 2:30 CT! Jaf Kongkaeo, AOS graduate student, will discuss "The Role of Noise Seasonality in ENSO Variance via a Cyclostationary Linear Inverse Model." Watch the livestream: go.wisc.edu/uwaos-youtube
AOS seminar with Jaf Kongkaeo, Sept 16, 2026
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 14/09/2026
Today at 3:30 CST! Ken Takahashi Guevara, Principal Scientific Researcher at the Geophysical Institute of Peru, will discuss "Idealized Modeling of Amazon Forest-Atmosphere Interactions: Preliminary Results from the AmazClim Project." Livestream: go.wisc.edu/uwaos-youtube
Flyer for AOS-CPEP joint colloquium with Ken Takahashi Guevara
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American Meteorological Society @ametsoc.org · 02/09/2026
What can Earth’s climate past tell us about its future? In this Award Recipient Spotlight, Bette L. Otto-Bliesner, 2026 AMS Syukuro Manabe Climate Research Award recipient, discusses paleoclimate modeling, climate models, collaboration and why Earth’s deep history matters: bit.ly/3T2BjaK
bit.ly
Bette L. Otto-Bliesner on Understanding Earth’s Climate Past to Inform Its Future
In recognition of her groundbreaking contributions to paleoclimate modeling and her work advancing understanding of Earth’s climate system across time scales, Otto-Bliesner is the recipient of the…
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 25/08/2026
Please join us in congratulating Professor Dan Vimont, who has been named the new chair of AOS! Read the full announcement: go.wisc.edu/q5j0q8 📸: Althea Dotzour / UW–Madison
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Ankur Desai @profdesai.bsky.social · 17/08/2026
During my 5-year term as chair of @uwmad-aos.bsky.social that ended last week, I collected thoughts and advice for new department chairs and leaders. The first full draft is now online, feel free to read/share/comment! flux.aos.wisc.edu/how-to-chair
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 17/08/2026
Today at 1:00 pm CT! Noah Lang, AOS graduate student, will defend his MS thesis and discuss "Investigating Causes of Recent Wisconsin Climate Change Using Self-Organizing Maps." Watch the livestream:
youtube.com
UW-AOS Department Seminar - August 17, 2026 - Noah Lang
YouTube video by UW-AOS UW Madison
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Dr. Stephanie Henderson @drsahenderson.bsky.social · 07/08/2026
It’s always a good night when the Sundogs are playing, featuring our very own @uwmad-aos.bsky.social prof celebrities Jon Martin and Grant Petty! Great show!!
Sundogs band playing an awesome show
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Reposted by UW–Madison Department of Atmospheric & Oceanic Sciences
Dr. Robin Tanamachi 🌪️ @tornatrix.bsky.social · 04/08/2026
I was honored to visit @uwmad-aos.bsky.social for an alumni-only tour over lunch today! I finally got my #RooftopSelfie. I also found my senior thesis still in the library. I still have some Badger blood left in me! #AMSMadisonSummit
Me standing in front of the AOS&S building sign.The spine of my senior thesis from 2001.Me on the AOS&S rooftop with the Madison skyline in the background.In one of my old classrooms (1411) which looks very different today than it did in 1999.
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 03/08/2026
We’re thrilled to share that Prof. Ángel Adames Corraliza has been awarded the 2027 Clarence Leroy Meisinger Award by AMS! He was recognized for his “innovative and impactful contributions to the development of moisture mode theory that has advanced fundamental understanding of tropical dynamics.”
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Dr. Stephanie Henderson @drsahenderson.bsky.social · 03/08/2026
New paper alert! We look at the impact of MJO, ENSO, and blocking on North Pacific jet forecasts. From the role of MJO+ENSO teleconnection interference to the difficulty of forecasting blocking events, we take a deep look into understanding what drives forecast skill changes. doi.org/10.1175/WAF-...
doi.org
The Influence of Subseasonal-to-Seasonal Modes of Variability on Medium-Range North Pacific Jet Stream Forecasts
Abstract The state and evolution of the North Pacific jet (NPJ) stream exert considerable influence on weather conditions across North America. The NPJ is modulated by several multiscale processes dur...
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Andrea Lopez Lang @alopezlang.bsky.social · 16/07/2026
The wildfire smoke plume in Madison WI. I can smell the smoke inside today. Photos taken looking SW from @uwmad-aos.bsky.social
View looking SW on a clear day in October 2025 from AOSS in Madison WIView looking SW on 16 July 2026 from AOSS in Madison WIAir quality map of PM2.5 in Madison, with values exceeding 400
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 08/07/2026
New research from AOS Prof. Tracey Holloway and collaborators shows how NASA satellite data can enhance our understanding of local air quality:
lung.org
New Research Based on NASA Data Shows Potential for Satellites to Monitor Air Pollution
Two studies published in GeoHealth explore use of satellite-derived data to track pollution in areas without ground-based monitors
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 30/06/2026
Today at 1:30 CT! Adrianna Modelska, AOS graduate student, will defend her MS thesis and discuss "Contrasting North and South African Easterly Waves: Governing Processes and Impacts." Livestream link below:
go.wisc.edu
UW-AOS Department Seminar - June 30, 2026 - Adrianna Modelska
Speaker: Adrianna Modelska, AOS graduate student Title: Contrastin...
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National Center for Science Education @ncse.bsky.social · 23/06/2026
Please amplify this news and spread the word: A valuable climate resource has returned. Climate.us is a private version of a former federal resource shut down by the current administration dedicated to making trusted, evidence-based climate information accessible to all. #climatesky #edusky #scisky
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American Meteorological Society @ametsoc.org · 17/06/2026
💫 Registration for the 2026 #AMSMadisonSummit is NOW open! Join us at one of the largest joint meteorological conferences to explore topics from tornado risk and response to orographic clouds and survey methodology. Explore the program and register now: bit.ly/4efZ1a6
Graphic for the 2026 AMS Madison Summit featuring session topics, date, and location of the meeting.
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 08/06/2026
Need a distraction? Take a few minutes to browse stunning images of weather phenomena from the 16th AOSS Photo Contest. Shout-out to AOS Assistant Professor Fraser King for the winning entry!
ssec.wisc.edu
2026 AOSS Photo Contest
Around the world, the atmosphere and the weather connects us all. From the most energetic events, to subtle transformations, these captured moments reveal the complexity underlying our natural world a...
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American Meteorological Society @ametsoc.org · 01/06/2026
Hurricane season begins today in the Atlantic and Central Pacific, and a burgeoning El Niño is expected to dominate both regions, tamping down the numbers of named storms and hurricanes in the Atlantic while amplifying them in the Central Pacific, including for Hawaii. More: bit.ly/4o4lT0X
headlines.ametsoc.org
2026 Atlantic Hurricane Season Begins
Today kicks off this year’s six-month hurricane season in both the Atlantic and Central Pacific regions, and a highly energizing El Niño that is rapidly taking shape will at least in part drive how…
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Wisconsin Energy Institute @uwenergy.bsky.social · 29/05/2026
Mesonet, a local weather station network, is helping to ensure everyone in the state is within 20 miles of the nearest station to improve weather data accuracy. Read more: energy.wisc.edu/news/your-lo...
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Wisconsin Center for Origins Research @wicor.bsky.social · 18/05/2026
Welcome to Madison, #AbSciCon26 attendees! Stop by our booth on level 1 to learn more about the Wisconsin Center for Origins Research and our member departments! #abscicon #astrobiology #madisonwi #WiCOR
Photo of the WiCOR booth at AbSciCon2026, with an inflatable Bucky Badger in front
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 12/05/2026
From gazing up at airplanes in rural Puerto Rico as a child to flying them over the Madison isthmus as a student pilot, Prof. Mayra Oyola has always been drawn to flight. Explore how her passion for aviation has shaped her research in the latest edition of “Fueling Discovery” from the WSJ and L&S.
madison.com
The changing trends of aircraft turbulence
With a research specialty in severe weather and aviation hazards, it might surprise you to know that I didn’t step onto my first airplane until I was 20 years old.
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Wisconet @wisconet.bsky.social · 05/05/2026
It's here! It's here! Check out the NEW Wisconet Almanac pages! Lots of great new data providing context to the measurements we collect every day. wisconet.wisc.edu/stations/alm...
New Almanac Page is here!

Explore the last 80 years of Wisconsin weather data with our new Almanac page! Dive into interactive graphs and tables that span from 1945 to today.Charts showing soil texture composition at 5 depths.Dashboard showing the measured temperature compared to climatology for 2026.Dashboard showing the 1945 - 2025 climate stripes, as well as the top-10 warmest and coldest years.
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Wisconet @wisconet.bsky.social · 04/05/2026
There's still time to apply to become Wisconet's next Data Infrastructure Developer! If you've got experience with object-oriented Python, AWS, and databases for large datasets, and you're interested in environmental data...we want to hear from you! jobs.wisc.edu/jobs/wiscone...
jobs.wisc.edu
Wisconet Data Infrastructure Developer - Madison, Wisconsin, United States
Current Employees: If you are currently employed at any of the Universities of Wisconsin, log in to Workday to apply through the internal application process.Job Category:Academic StaffEmployment Type...
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 01/05/2026
Please join us for the final Weather Watch of the spring semester today at 12:15 PM CDT (1715 UTC) today, May 1, 2026, streaming online at go.wisc.edu/uwaos-wxwatch Hope to see you there!
go.wisc.edu
UW-AOS UW Madison
Weather Watch - May 1, 2026
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 29/04/2026
Today at 2:30 CT! Leo Balcer, AOS graduate student, will defend his MS thesis and discuss "Noisy Waters: Multi-Model Insights on the Internal Variability of a Changing Arctic Sea Surface." Watch the livestream: www.youtube.com/watch?v=dVLu...
Flyer for AOS Seminar with Leo Balcer, AOS graduate student, on Wednesday, April 29 at 2:30 pm CT
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 27/04/2026
Today at 3:30 CT! Ian Beckley, AOS graduate student, will defend his PhD thesis and discuss "Production Mechanisms for Inertial Instability in the Upper Troposphere." Watch the livestream: www.youtube.com/watch?v=xS8c...
Flyer for AOS colloquium with Ian Beckley, AOS graduate student, on Monday, April 27, 3:30 pm
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 23/04/2026
A really interesting line of convective clouds formed and moved through Madison on Tuesday. This line persisted and eventually triggered a severe thunderstorm warning for hail in southeast Wisconsin. Here's the view to the northwest as it formed. youtu.be/QQ_PX6Yn0G8
youtu.be
2026 April 21 - Convective line - Northwest view
YouTube video by AOSSRooftopCameras
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 21/04/2026
We’re thrilled to share that AOS professor Dan Vimont was one of six recipients of the inaugural Faculty Award for Excellence in Graduate Student Mentoring last week. Congratulations and well deserved, Dan!
grad.wisc.edu
Graduate School announces the inaugural winners of the Faculty Award for Excellence in Graduate Student Mentoring
The Graduate School is pleased to present six UW–Madison professors with the Faculty Award for Excellence in Graduate Student Mentoring. This new award recognizes faculty who demonstrate exceptional c...
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Wisconet @wisconet.bsky.social · 21/04/2026
Have you ever seen a weather station on stage with a string quintet?
A weather station on stage next to a string quintet.
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 20/04/2026
Join us for our colloquium at 3:30 CT! Dillon Amaya, research scientist at the NOAA Physical Sciences Laboratory, will discuss "Computationally Efficient Seasonal Climate Forecasts Using Model-Analogs." Watch the livestream: www.youtube.com/watch?v=9axb...
Flyer for AOS colloquium with Dillon Amaya on Monday, April 20, 3:30 pm CT in AOSS room 811
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 17/04/2026
Please join us for Weather Watch today at 12:15 PM CDT (1715 UTC) today, April 17, 2026, streaming online at go.wisc.edu/uwaos-wxwatch Hope to see you there!
go.wisc.edu
UW-AOS UW Madison
Weather Watch - April 17, 2026
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Wisconet @wisconet.bsky.social · 17/04/2026
The latest severe weather outlook has come out from the Storm Prediction Center and it expands the Level 3/5 risk. Significant severe weather is appearing more likely this afternoon and evening, including strong tornadoes, hail to softball size, and winds >75 mph.
Map showing the severe weather outlook and associated hazards.
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 15/04/2026
Wow! Thanks to our generous supporters, we’ve already met our 50-gift challenge, and we're getting closer to meeting our $10,000 match—will you help us get there? Day of the Badger ends today at 5, so let's keep the momentum going: dayofthebadger.org/aos Pictured: AOS undergrad Liam Schiffer
AOS undergraduate Liam Schiffer next to a research poster
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 15/04/2026
Christi, Ankur, and Pete show off their Day of the Badger spirit (and swag) on the AOSS rooftop. AOS faculty and staff give during DOTB because they see firsthand how gifts support our students and the dept. This year, all DOTB gifts will be matched $ for $ up to $10,000: dayofthebadger.org/aos
Christi, Ankur, and Pete from the UW–Madison AOS Dept stand on the rooftop of the AOSS building and pose with Day of the Badger gear.
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Andrea Lopez Lang @alopezlang.bsky.social · 15/04/2026
From the @uwmad-aos.bsky.social rooftop camera facing north towards Lake Mendota. A timelapse of the tornado-warned cell from the UW-Madison campus on the afternoon of April 14, 2026. Thanks @pth1.bsky.social for keeping these cameras up and running.
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 14/04/2026
Day of the Badger is here! Gifts support meaningful career development opportunities for students, including travel to professional conferences. And this year, your impact will be doubled thanks to a generous match up to $10,000! Make a gift today: dayofthebadger.org/aos
AOS undergraduate student Emma Trask at the American Meteorological Annual Meeting in Houston. Day of the Badger logo is in the top right corner.
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 13/04/2026
Today at 3:30 CT! Ben Rodenkirch, AOS graduate student, will defend his PhD thesis and discuss "Insights into Tropical Oceanic Convection Relationships with Local Environments from Recent Field Campaigns and Through Idealized Numerical Modeling." Livestream: www.youtube.com/watch?v=i3xU...
Flyer for AOS colloquium with AOS graduate student Ben Rodenkirch, who will defend his PhD thesis on Monday, April 13, at 3:30 pm CT
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 10/04/2026
Please join us for Weather Watch today at 12:15 PM CDT (1715 UTC) today, April 10, 2026, streaming online at go.wisc.edu/uwaos-wxwatch Hope to see you there!
go.wisc.edu
Weather Watch - April 10, 2026
A discussion of the past week's weather and the weekend forecast
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 08/04/2026
Today at 2:30 CT! Sam Kimball, AOS graduate student, will discuss "Quantifying Entrainment in the Planetary Boundary Layer Morning Transition." Watch the livestream: www.youtube.com/watch?v=nRM5...
Flyer for AOS seminar with AOS graduate student Sam Kimball on Wednesday, April 8, 2026
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UW–Madison Department of Atmospheric & Oceanic Sciences @uwmad-aos.bsky.social · 07/04/2026
Among the CIRCS team members are AOS professors Andrea Lopez Lang, Tristan L’Ecuyer, Jon Martin, and Angela Rowe.
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