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CliMAS Illinois
@climasillinois.bsky.social
We’re the Department of Climate, Meteorology & Atmospheric Sciences at the University of Illinois Urbana-Champaign.

Weather and Climate with the Power of I.
Today we honored Prof. Jen Kay from CU Boulder as our 2025-2026 Distinguished Richard P. And Linda S. Turco Lecturer
November 18, 2025 at 9:47 PM
Faculty, students, alums - we’ve launched a new CliMAS merch store. Show your CliMAS pride wherever you are.

Check it out!

go.illinois.edu/climas-merch-2025
October 30, 2025 at 1:46 PM
Calling all prospective grad students! 🚨

Come learn about CliMAS during our annual Prospective Graduate Student Webinar - featuring our internationally recognized on campus and online MS and PhD programs.

RSVP here to receive a Zoom link: forms.gle/CYsLWz5uoRNm....
October 9, 2025 at 2:44 PM
Today, CliMAS welcomed Prof. Dan Vimont from University of Wisconsin-Madison AOS for our weekly colloquium, who discussed aerosol-related and oceanic climate dynamics
September 16, 2025 at 8:56 PM
The annual CliMAS graduate student – faculty volleyball match was a ton of fun!

The faculty are happy to report their clean sweep victory, the broken golden rawinsonde trophy will be on the 3rd floor of NHB.

Looking forward to next year’s match!
September 6, 2025 at 2:47 AM
Today we welcomed Scott Collis from Argonne National Laboratory for our weekly colloquium
September 2, 2025 at 8:56 PM
Greetings from the CliMAS Fall 2025 Welcome BBQ!
August 28, 2025 at 11:58 PM
Hey Illini - if you’re looking for a Gen Ed, there’s a 100% chance you’ll love ours. ☀️

Check out ATMS 100, 120, and 140!
August 26, 2025 at 3:40 AM
CliMAS is proud to partner with Illinois Public Media to create a new podcast called Weather Realness - we’ll get real about the what’s and why’s about weather and climate and how it impacts you.

Our first episode airs on WILL-AM 580 at 11 am this Saturday, August 2 and anytime on the WILL app.
July 30, 2025 at 1:42 PM
Our second storm trip is back from the Plains and they saw the goods!

Hear their storm observation stories in 1071 NHB on Friday, June 27 at 9:30 am
June 27, 2025 at 3:38 AM
Today our undergrads measured outflow wind speeds and observed both a squall line and discrete supercell along the Texas-Oklahoma border! Tomorrow marks the final day of our May field course, then it's back home to Urbana 🏠
June 3, 2025 at 1:54 AM
Yesterday marked the halfway point for our May Field Studies of Convection course! Students observed a tornado-warned supercell (and lots of blowing dust) south of Brownfield, TX.
May 31, 2025 at 1:11 AM
Today marked the beginning of our Field Studies of Convection course! Our undergraduate students traveled from Urbana to Colorado where they observed a supercell at sunset as well as a brief tornado
May 24, 2025 at 5:13 AM
CliMAS congratulates the Class of 2025!
May 17, 2025 at 5:55 PM
The UIUC School of Earth, Society and the Environment (SESE) is hosting our annual summer enrichment camp for middle schoolers again this summer! The dates are July 21st and 22nd and the camp is free!

Registration is now open and you can sign up here: earth.illinois.edu/resources/ea...
May 16, 2025 at 7:54 PM
The UIUC School of Earth, Society and the Environment (SESE) is hosting our annual summer enrichment camp for middle schoolers again this summer! The dates are July 21st and 22nd and the camp is free!

Registration is now open and you can sign up here: earth.illinois.edu/resources/ea...
May 16, 2025 at 7:07 PM
Good morning from Morris, Illinois! Students and faculty are supporting Intensive Observing Period #1 of the CROCUS Urban Flooding Campaign.
April 28, 2025 at 12:43 PM
We celebrated excellence this week in CliMAS during our annual Yoshi Ogura Banquet.

Undergraduate and Graduate Student and Faculty honors were followed by a lecture by former Illinois State Climatologist Jim Angel.

📸 CliMAS Major Alyssa Shih
April 26, 2025 at 8:37 PM
Today, we welcomed Prof. Adam Sobel from Columbia University as our Distinguished Ogura Lecturer. He spoke on climate risk science.
April 25, 2025 at 8:41 PM
Congratulations to Kaitlyn Jesmonth (@wxkaitlynj.bsky.social) on the successful completion of her MS Defense, which examined the effects of terrain on precipitation type in a Northeast US winter storm. Kaitlyn is advised by Prof. Steve Nesbitt (@70dbz.bsky.social).
April 22, 2025 at 7:04 PM
We’re excited to share that Dr. Joseph Trujillo-Falcón will join our regular faculty as an Assistant Professor in Fall 2025! He’ll continue his work on effective risk communication in weather and climate.
April 18, 2025 at 5:59 PM
Congratulations to two of our undergraduates who were awarded and honored in the recent National Science Foundation (NSF) Graduate Research Fellowship competition!
April 9, 2025 at 9:55 PM
Final plot from our 21:30z sonde launch.

Some decent 0-1 km shear.

Plot courtesy @ewolffwx.bsky.social
April 2, 2025 at 10:38 PM
Alyssa Shih, junior in CliMAS, was awarded a Barry M. Goldwater Scholarship. She was one of 4 selected campus wide and one of less than 500 nationwide.

Big congratulations to her!
March 29, 2025 at 2:41 AM
An open letter to our fellow meteorologists and climate scientists from our Department Head, Steve Nesbitt
February 28, 2025 at 2:49 PM