UMD Atmos&Ocean Sci @AOSC_UMD
Atmospheric and Oceanic Science at @UofMaryland offering BS/MS/PhD degrees as well as cutting-edge research. RT =/= endorsement. #AtmosFearTheTurtle aosc.umd.edu College Park, MD Joined April 2015-
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Graduate Celebration, Spring 2025
AOSC Senior Research Symposium Awards
Robert Brammer Undergraduate Prize Winners
New study, co-authored by AOSC professor Ross Salawitch and alumnus Laura McBride, investigates the 17-year discrepancy in projections for ozone recovery. essic.umd.edu/high-emissions…
Fall 24 AOSC Virtual Open House Event Information Register here1 --> shorturl.at/j3OKK
AOSC Major Olivia Griffith Awarded 2024 Hollings Scholarship cmns.umd.edu/news-events/ne…
Today, we unveiled the Maryland HydroNet in downtown Annapolis! #UMD's Climate Resilience Network is installing water-level sensors across Maryland to provide real-time data and prepare coastal communities for increased flooding due to #ClimateChange. climate.umd.edu
Congratulations to Emily Wisinski. 1 of 9 CMNS students and alum to be awarded an NSF fellowship. cmns.umd.edu/news-events/ne…
Congratulations to AOSC Undergraduate Malcolm Maas, Named as a 2024 Goldwater Scholar! cmns.umd.edu/news-events/ne…
Study Shows Massive Eruption Thinned Earth’s Protective Ozone Layer today.umd.edu/study-shows-ma…
UMD Scientists ‘Fingerprint’ Methane to Track a Climate Change Culprit today.umd.edu/umd-scientists…
Atmospheric and oceanic science Ph.D. student Samantha Halstead Santez left a six-year museum career to study sea ice. Now, she’s at NASA. cmns.umd.edu/news-events/ne…
Congratulations to our very own Maria Nikolaitchik (Faculty Mentor: Dr. Timothy Canty (@TimCantyAOSC ), Teacher Mentor: Jeremy Brenneman) who was chosen as a 2023-24 Philip Merrill Presidential Scholar! Ceremony takes place today! Read more --> go.umd.edu/40mu8JG
Congratulations to our very own Maria Nikolaitchik (Faculty Mentor: Dr. Timothy Canty (@TimCantyAOSC ), Teacher Mentor: Jeremy Brenneman) who was chosen as a 2023-24 Philip Merrill Presidential Scholar! Ceremony takes place today! Read more --> go.umd.edu/40mu8JG
The first of 70 #WeatherStation towers comprising the Maryland Mesonet has been erected in @HowardCountyMD. @AOSC_UMD graduate student Sam Koehler spoke with @baltimoresun's @CChristine19 about the tower's equipment and functionality. baltimoresun.com/weather/bs-md-…
Thanks to @AOSC_UMD’s Associate Professor Tim Canty for such an engaging Science on Tap lecture! Tim discussed the realities of #ClimateChange and how scientists can work to translate climate models to business models.

Dr. Keenan Eure @Eurediculous
1K Followers 655 Following ☀️🌤⛅️🌥☁️🌩🌧⛈ | B.S. UMD | Ph.D./M.S. Penn State | Data assimilation research scientist @ CIRA/NOAA/GSL | RTs are not endorsements
Dr. Alicia M Bentley @AliciaMBentley
8K Followers 4K Following Atmospheric scientist // Global model evaluator @NWSEMC // Ph.D., M.S., B.S. @UAlbanyDAES // Yoga, NY sports, wine // Restaurant Reviewer // Opinions are mine
Kris Karnauskas @OceansClimateCU
8K Followers 1K Following Climate scientist leading the Oceans & Climate Lab @CUBoulder | Associate Professor @CUBoulderATOC | Fellow @CIRESnews | Editor-in-Chief @theAGU GRL
Capital Weather Gang @capitalweather
1.1M Followers 3K Following D.C.-area and worldwide weather news from the Washington Post | contact: [email protected]
UMD Science @UMDscience
4K Followers 480 Following Science with an impact from the College of Computer, Mathematical, and Natural Sciences @UofMaryland. Follows/posts/reposts ≠ endorsements.
Ross Salawitch @Ross_Salawitch
680 Followers 597 Following Scientist specializing in quantification of effect of human activity on climate, the ozone layer, air quality, & the global carbon cycle. Counting the days.
Matt Lanza @mattlanza
60K Followers 9K Following Meteorologist: Words and forecasts @TheEyewallWx and @SpaceCityWx in #Houston. @RutgersU alum. #BHAFC. Views expressed are mine and mine alone.
UMD Research @UMDResearch
6K Followers 3K Following The University of Maryland's Division of Research: A National Research Leader Located at the Center of the Nation's Federal Research Region. RTs≠endorsement
Dr. Kelly Núñez Oca... @KNubez
1K Followers 928 Following Assistant Professor @TAMU_ATMO | Ph.D. @psumeteo | B.S. @UPRM | 🇵🇷 |⛈️ | Views my own
Dr Dani Jones (danijo... @DaniJonesOcean
3K Followers 3K Following Ocean science 🌊 • #UKRIFLF • they/them 🏳️⚧️ • @ClimateSciPod • parent • polyam partner • views mine, but you can borrow them • here to hang w/nerds
UMD Ento Student Orga... @umdeso
169 Followers 263 Following We are the Entomology students of University of Maryland, College Park @UMDEntomology
Amitabh Varshney @VarshneyAmitabh
683 Followers 201 Following Dean of @UMDScience, Professor of @umdcs, Former Director of @UMIACS. Tweets are my own.
Indrani Ganguly @storm_blink
243 Followers 345 Following PhD| Former ASP fellow at NCAR|Atmospheric researcher| Avid Reader|Defense mechanism: humour.
Dan Goldberg, PhD @DGoldbergAQ
1K Followers 630 Following Asst Research Professor @GWpublichealth in the Air, Climate, and Health Lab. @AOSC_UMD & @Laf_ChBE alum. @CTvisit native. Developer: https://t.co/2wkEMv76BJ
UMD Department of Che... @ChemBiochemUMD
688 Followers 129 Following Chemistry and biochemistry research, student and faculty news from @UofMaryland and @UMDscience.
Mike Natoli @meteo_mike
168 Followers 312 Following Meteorologist at NWS Cheyenne | PhD in Atmospheric Science from Colorado State University | Weather Nerd ❄️ | Outdoor Enthusiast | Opinions my own
Yglarhouq @Yglarhouq07208
27 Followers 2K Following
Mitch @Mitch1783805
0 Followers 14 Following
Yue Zhang | 张悦 @AtmosYZ
909 Followers 573 Following Asst. Prof. Texas A&M @TAMU Dept. of Atoms. Sci. @tamu_atmo | Aerosol Chemistry & Physicochemical Properties | Aerosol-Cloud Interactions | Amateur Astronomer
Cutter Martin @CutterMartin
3K Followers 646 Following Weather & eating my way around Maryland ⚡️Meteorologist
Nittough @NittoughzITt
72 Followers 7K Following
Ahsan Ali @AhsanAliZafer
0 Followers 12 Following
Monstar @Monstar843543
46 Followers 4K Following
Manuel Titos Luzón @manuel_titos
37 Followers 135 Following
UMD Public Health @UMDPublicHealth
7K Followers 1K Following University of Maryland School of Public Health (in College Park, Maryland) - Fearlessly Forward for Public Health. Retweets ≠ endorsements.
Alban Sauret @AlbanSauret
2K Followers 1K Following Associate Professor at UMD College Park, Department of Mechanical Engineering - playing with fluids, grains, powders and droplets - Tweets are my own
Dong Huang @DongHuang_02
2 Followers 67 Following
DPManchee @DPManchee
1K Followers 4K Following Deactived X. Find me on Bluesky https://t.co/a1I2rd9SVm
J. Ruff @AltXcrement
72 Followers 249 Following CFB (1.#Dawgsontop 2.Tigers) Braves {Insert rap quote here} Lakers, Sports Risk Mgmt. Aficionado of 2-door SUVs. Viewer of 2018 Cheez-It Bowl
Hongwei Sun @hongwei8sun
170 Followers 617 Following Assistant Prof. @uhmanoa | Postdoc @UWAtmosSci | PhD 2023 @Harvard | Stratosphere, Aerosol-Cloud Interactions, Geoengineering, Multiscale Model Development
Moms Clean Air Force @CleanAirMoms
36K Followers 23K Following We are a community of 1.6 million moms and dads united against air pollution—including the crisis of our changing climate—to protect our children’s health!
Ivar @kuroyasume44120
45 Followers 4K Following
MeteoMdWX @MeteoMdWX
420 Followers 791 Following Teenager from Maryland fascinated with the weather || Weekend forecaster for @DMVFirstWarn
Emily Hunt @emilypaigehunt
575 Followers 600 Following OU Alumni ⛈️ | UMD PhD Student 🐢 | Harry Styles enthusiast
Jahangir ali @Jahangirali09
1K Followers 5K Following PhD candidate in Geosciences|University of Arkansas. AI in weather and climate
us_Kaitlyn_ @KaitlynUs62857
24 Followers 1K Following
Sandeep Pattnaik @spt_met
0 Followers 1K Following
Liam Parfitt @FreyaloggingInc
253 Followers 242 Following Freya Logging Inc is Western Canada's largest selective logger and owned by immigrant women. Good change is upon us.
Yang Han @ynghnaa
4 Followers 52 Following
Justin Selig 🌪️�... @SevereWeatherPA
2K Followers 5K Following 🔴Severe Weather Videographer & YouTube Streamer | Live Storms Media |📍Berks County, PA.
Philip Meyer @Phleyer
90 Followers 203 Following MS in Atmospheric and Oceanic Science (UMD 2021). Switching to electrical engineering at CU Boulder. American Baptist Church parishioner.
Da'Vel Johnson @Da_VelJ
851 Followers 2K Following #NOLA Native & @NWS Meteorologist. I'm into: Science | Politics | Economics | Finance I Data | Photography | Capoeira | Français | Español +more. Enjoy life. ⚜
Jason Liu @jichengliu
11 Followers 71 Following
Kevin Kinnally @KKinnally_MACo
2K Followers 3K Following Legislative Director at @MDCounties, we represent County governments and their front-line public services across MD. #GirlDad. Co-host of the @Conduit_St_Pod.
Amsale @AmsaleEjigu
94 Followers 246 Following Data assimilation and land surface processes, infectious disease epidemiology, ecology.
Luis P. Valencia @Luti0
64 Followers 421 Following OCEANOGRAPHER 🇨🇱 | PhD. Student in Oceanography and Global Change, ULPGC 🇪🇦 | OFYGA 🇪🇦 | Ocean Mixing | Husband & Dad ❤️
Kareem Ahmed @KareemA97141937
0 Followers 44 Following
Aaron Zeeb @Zeebwx
218 Followers 1K Following PhD student @CMUniversity researching left-moving supercells | M.S. and B.S. in Meteorology @NIUlive | Quasi-storm/aurora chaser.
Trk-tzz @sytanach4555
3 Followers 96 Following
⛈Josh WX⛈ @WX_JOSH
144 Followers 406 Following Penn State Meteorology ‘28 Future meteorologist and storm chaser! ⚡️Trained Skywarn Spotter⚡️ ***Spotter ID: MTPA-238***
Tamara Hendershot @TamaraHend29070
0 Followers 8 Following
Rena Surana-Nirula @RenaSNUMD
0 Followers 19 Following
Jackie Clark @Geo_JackJack
793 Followers 2K Following Assistant Research Scientist at UMD, avgeek, runner, parent & occasional rock licker. Will take strike & dip measurements for fun.
Hassan♥Sakran @hassanSakran2
66 Followers 537 Following اللهم لا اله إلا أنت سبحانك إني كنت من الظالمين♥♥♥
Dr. Keenan Eure @Eurediculous
1K Followers 655 Following ☀️🌤⛅️🌥☁️🌩🌧⛈ | B.S. UMD | Ph.D./M.S. Penn State | Data assimilation research scientist @ CIRA/NOAA/GSL | RTs are not endorsements
Dr. Darryll J. Pines @President_Pines
9K Followers 252 Following President of @UofMaryland, the State's flagship and a land-grant institution | Father, husband, educator, author, and proud Terp | He/Him/His
American Meteorologic... @ametsoc
40K Followers 431 Following AMS is a professional organization that advances the atmospheric and related oceanic and hydrologic sciences in service to society.
Capital Weather Gang @capitalweather
1.1M Followers 3K Following D.C.-area and worldwide weather news from the Washington Post | contact: [email protected]
UMD Science @UMDscience
4K Followers 480 Following Science with an impact from the College of Computer, Mathematical, and Natural Sciences @UofMaryland. Follows/posts/reposts ≠ endorsements.
NWS Weather Predictio... @NWSWPC
306K Followers 302 Following Official X account for the National Weather Service Weather Prediction Center. Details: https://t.co/5axlhIg7dP
Ross Salawitch @Ross_Salawitch
680 Followers 597 Following Scientist specializing in quantification of effect of human activity on climate, the ozone layer, air quality, & the global carbon cycle. Counting the days.
Univ. of Maryland @UofMaryland
105K Followers 1K Following 2 Nobel laureates, 6 Pulitzer recipients, scores of Fulbright scholars, one cute turtle and a bike ride away from our nation's capital! RTs ≠ endorsements.
Matt Lanza @mattlanza
60K Followers 9K Following Meteorologist: Words and forecasts @TheEyewallWx and @SpaceCityWx in #Houston. @RutgersU alum. #BHAFC. Views expressed are mine and mine alone.
Maryland Men’s Bask... @TerrapinHoops
256K Followers 284 Following The home of the Terrapins. 2002 National Champions. 11 Conference Championships. 65 NBA Draft Picks.
National Weather Serv... @NWS
3.1M Followers 323 Following Official X account for @NOAA's National Weather Service. A list of official NWS accounts can be found at https://t.co/nG1wK2Kcru
UMD Research @UMDResearch
6K Followers 3K Following The University of Maryland's Division of Research: A National Research Leader Located at the Center of the Nation's Federal Research Region. RTs≠endorsement
AGU (American Geophys... @theAGU
83K Followers 3K Following AGU is a global community supporting more than half a million advocates and professionals in Earth and space sciences.
NSF National Center f... @NCAR_Science
27K Followers 7K Following At @NSF NCAR, we study the Earth system, from oceans to exosphere: weather, water, climate, air quality, space weather + more. Operated by @UCAR_News #NSFfunded
Dr. Kelly Núñez Oca... @KNubez
1K Followers 928 Following Assistant Professor @TAMU_ATMO | Ph.D. @psumeteo | B.S. @UPRM | 🇵🇷 |⛈️ | Views my own
NOAA Climate.gov @NOAAClimate
127K Followers 379 Following Toward a Climate-Smart Nation. The official @NOAA account hosted by the Climate Program Office. Follow for #climate news, #science, #data, resources, and more!
NWS Storm Prediction ... @NWSSPC
522K Followers 163 Following Official Twitter account for the National Weather Service Storm Prediction Center. Details: https://t.co/mRyGMdRYT3
Amitabh Varshney @VarshneyAmitabh
683 Followers 201 Following Dean of @UMDScience, Professor of @umdcs, Former Director of @UMIACS. Tweets are my own.
Dan Goldberg, PhD @DGoldbergAQ
1K Followers 630 Following Asst Research Professor @GWpublichealth in the Air, Climate, and Health Lab. @AOSC_UMD & @Laf_ChBE alum. @CTvisit native. Developer: https://t.co/2wkEMv76BJ
UMD Department of Che... @ChemBiochemUMD
688 Followers 129 Following Chemistry and biochemistry research, student and faculty news from @UofMaryland and @UMDscience.
Carbon Lockdown @CarbonLockdown
203 Followers 104 Following Durable CDR via Wood Harvest and Storage (WHS)🪵🪵🪵 DOE Carbon Negative Shot Pilot awardee. DOE CDR Purchase Pilot Prize Semifinalist. XPRIZE Top 100.
DAWN Project @DawnProj
130 Followers 93 Following The DAWN project is an effort funded by @USDA_NIFA to develop a decision-making tool that will increase agricultural productivity and profitability.
Jobs @ GESTAR II @JobsAtGESTARII
497 Followers 3K Following GESTAR II researchers create opportunities for breakthroughs in earth & atmospheric science, through observational, experimental & theoretical research.
Katie Mack @AstroKatie
373K Followers 3K Following Cosmologist, pilot, author, connoisseur of cosmic catastrophes. She/her. Dr. Personal account; not representing employer or anyone else.
Ellen Buckley @ellenmbuckley
141 Followers 204 Following Postdoc in fluid and thermal sciences at @brownengin. Studying remote sensing of Arctic sea ice and particularly interested in summer melt
Earle Wilson @eadoubleu
538 Followers 485 Following Assistant Professor @StanfordEarth | ice-ocean interactions and high-latitude climate
Jobs in Atmos. Chem. ... @AtmChemAeroJobs
3K Followers 1 Following We have moved! Come find us on Bluesky! (same handle)
Letters & Sciences @LTSCAdvising
325 Followers 194 Following Letters and Sciences is the academic advising home for undergraduates at the University of Maryland who are deciding on a degree-granting major.
BlackInData @BlkInData
5K Followers 194 Following 📍 Join us for a Global Celebration 📳 #BlackInDataWeek 16-21 Nov 🤓 #Informatics #Tech #Coding🖱️#DataScience #SocialScience 📧 [email protected]
SOLESS @GeoSpaceLatinx
2K Followers 2K Following A community dedicated to increasing and reinforcing the representation of Latinxs in the Earth and Space Sciences through outreach, networking, & mentorship.
Midwest Student Conf.... @MSCAR_Illinois
315 Followers 317 Following The Midwest Student Conference on Atmospheric Research (MSCAR) is meant for students to present their research in a conference setting. Sept 30th-Oct 1st, 2023
ADSE_UMD @adse_umd
69 Followers 68 Following The UMD Chapter of the Alliance for Diversity in Science and Engineering, who aims to showcase and broaden the experiences of minorities in STEM fields.
BlackInGeoscience @BlkinGeoscience
10K Followers 160 Following To support & amplify Black Geo, Earth & Planetary Scientists🌎 #BlackInGeoscience #BiGeo #BlackGeoscientist RT≠ endorsement 📧: [email protected]
Daniel Tong @silentspring9
257 Followers 342 Following Earth scientist working on air quality and climate trend issues.
Patrick T. Brown @PatrickTBrown31
14K Followers 4K Following Head of Climate Analytics @IBKR; Adjunct faculty (lecturer) in Energy Policy & Climate @JohnsHopkins; Sr. Fellow @TheBTI
Andrew Dessler @AndrewDessler
36K Followers 666 Following Prof of Atmospheric Sciences & climate scientist @ Texas A&M; AGU and AAAS Fellow; Native Texan; find out what I think at https://t.co/UNGW2rqvbo
Dr. Rashawn Ray @SociologistRay
25K Followers 9K Following Senior Fellow @BrookingsInst • VP of AOF • Sociology Professor • Articles in @washingtonpost @nytimes @Politico @thehill @businessinsider
bear bear @robertnulrich
6K Followers 2K Following Scientist studying how living things make their hard parts @biomineralogist | @biomineralogy.bsky.social
Minorities in STEM @MinoritySTEM
17K Followers 1K Following UK Network promoting & supporting ethnic minority individuals studying & working in sci, tech, engineering & maths (STEM)--Tweets this week by
Reclaiming STEM Insti... @ReclaimingSTEMI
6K Followers 478 Following An organization building community, capacity, and power for and with scientists from across diverse and historically marginalized communities.
Maryland Transportati... @MarylandTransp1
50 Followers 51 Following Bringing together interdisciplinary transportation expertise from across Maryland universities to develop and deploy innovative transportation solutions.
Laurie Locascio @lelocascio
247 Followers 277 Following Vice President for @UMDResearch, @UofMaryland. Views are my own | RTs≠endorsement
Dr. Joseph Trujillo F... @LatinWx
3K Followers 2K Following Illinois Distinguished Postdoc @CliMAS_Illinois🌪️/@IllinoisComm⚠️ | Meteorólogo @MyRadarWx 🇵🇪 | Chair, @ametsoc Committee for Hispanic and Latinx Advancement
Peter Goodwin @pgoodwin_UMCES
299 Followers 286 Following Peter Goodwin is past president of the University of Maryland Center for Environmental Science @UMCES
🅱BUSH @_Bushll
43 Followers 130 Following We Are Worth More ✊🏽 | Geographer 🌎 | Gamer 🎮 | Gymmer 🏋🏽♂️
AMS BRAID @amsbraid
1K Followers 49 Following Board on Representation, Accessibility, Inclusion, and Diversity (BRAID) for the @ametsoc | Formerly the Board on Women and Minorities 👩🔬👨🔬🌈🌦
Sumant Nigam @SumantClimate
48 Followers 28 Following Professor of Atmospheric & Oceanic Science University of Maryland, College Park
Emily Blumenauer @emilyblumenauer
71 Followers 166 Following @ousom phd student // if you’re looking for weather tweets you’ve come to the wrong place
Christine Hartzell @dr_hartzell
125 Followers 41 Following Asteroid dust enthusiast, associate professor of aerospace engineering at @UofMaryland @ClarkSchool , STEMinist, tweets/opinions/likes are my own.
MoES GoI @moesgoi
83K Followers 164 Following Official Account of Ministry of Earth Sciences, Government of India. Followings, RTs ≠ Endorsement.
European Geosciences ... @EuroGeosciences
54K Followers 847 Following Official account for the EGU. This account is no longer active or monitored. Visit our website to find out more about our activities or ask a question.
Jim Morhard @jmorhard
4K Followers 136 Following
Columbia Climate Scho... @columbiaclimate
91K Followers 2K Following Developing innovative education, supporting groundbreaking research, and fostering essential solutions for climate and sustainability.
AGU's Eos @AGU_Eos
19K Followers 1K Following Eos is a leading source for trustworthy news and perspectives about the Earth and space sciences and their impact. Published by @theAGU.
Prof Michael E. Mann @MichaelEMann
208K Followers 2K Following Scientist/Author; Pres. Distinguished Prof/Director Center for Science, Sustainability & the Media, U Penn; Nat Academy of Sciences; Royal Society; Tyler Prize
GES DISC @NASA_GESDISC
10K Followers 240 Following News and information on Twitter from the Goddard Earth Sciences Data & Information Services Center (GES DISC) will now be found with @NASAEarthdata
Latinas in Earth and ... @GeoLatinas
10K Followers 4K Following Embracing, Empowering and Inspiring Latinas in Earth and Planetary Sciences. Tweets by @AdriFiigueroa @claraexplores & @CaballeroGill
Reading Meteorology @UniRdg_Met
4K Followers 387 Following Dept. of Meteorology at Uni. of Reading. Undergrad, MSc and PhD courses & top research in Weather & Climate https://t.co/6dVIFqpuJZ
UW-Madison SSEC @UWSSEC
5K Followers 442 Following The official account for the Space Science and Engineering Center at UW-Madison. Innovators in satellite meteorology, earth and space science since 1965.
Capital Climate 🇺�... @capital_climate
2K Followers 2K Following Climate & capital in Nation's Capital WUSA9 Weather Explorers MS Meteorology/MIT MS CompSci/UMD BA Math&Physics/Yale AMS,NWA,RMetSoc,ACM,IEEE Comp Soc,Skywarn
UW-Madison CIMSS @UWCIMSS
27K Followers 312 Following NOAA's Cooperative Institute for Meteorological Satellite Studies (since 1980) at the University of Wisconsin-Madison, the birthplace of satellite meteorology.
TAMU Meteorology @TAMUMeteorology
956 Followers 36 Following
Scott Weaver @ClimateWeave
615 Followers 416 Following Founder CLIMET Consulting / Former White House Executive Director of Meteorology / Former National Director for Windstorm Impact Reduction
TroyArcomano @TroyArcomano
296 Followers 898 Following Postdoc at @argonne integrating machine learning with climate models. Texas A&M and UMD alumni. Coder, storm chaser, and all around weather nerd.
Christopher Pérez, P... @possibleperez
3K Followers 4K Following This is a personal account ! Proud #GradTerp !