Faculty

Julie Laughing

Julie Lundquist

Professor, ATOC • Fellow, Renewable and Sustainable Energy Institute • Affiliate Faculty, Department of Applied Mathematics
Dept. of Atmospheric and Oceanic Sciences

Graduate Student

Nathan Agarwal

Nathan Agarwal

Ph.D. Student
Department of Atmospheric and Oceanic Sciences
Ph.D. Student in Atmospheric and Oceanic Sciences, University of Colorado Boulder, B.A. Physics, Colorado College. Nathan explores questions around how large-eddy simulations and mesoscale modeling can improve the description of complex flow patterns around offshore wind turbines. Prior to joining the Lundquist group, Nathan served as a technical resource for a renewable development company, driving different power systems, energy market, and resource assessment analyses. In his free time, he loves...
Muna smiling with cherry blossoms

Muna Hafsah

PhD student in Climatology at the University of Delaware co-advised by Dr. Dana Veron, BSc in Mechanical Engineering from Bangladesh University of Engineering and Technology (BUET). Enthusiastic about offshore wind energy. Currently working on sensitivity analysis of PBL schemes of WRF in simulating low-level jets.
Andrew Kumler

Andrew Kumler

Ph.D. Student
Department of Atmospheric and Oceanic Sciences
Ph.D. Student in Atmospheric and Oceanic Sciences, M.S. Atmospheric Sciences University of Illinois Urbana-Champaign, B.S. (Double Major: Earth Systems, Environment, and Society; Atmospheric Sciences) University of Illinois Urbana-Champaign. Andrew is currently a research scientist at NREL, focusing on wind and solar resource assessment and forecasting. For his Ph.D., he will be exploring various forecasting techniques for on and offshore wind energy, from numerical weather prediction (NWP) to ensemble methods incorporating...
Camden Plunkett

Camden Plunkett

M.S. Student
Department of Atmospheric and Oceanic Sciences
Atmospheric and Oceanic Sciences, B.S. Applied Meteorology, Embry-Riddle Aeronautical University 2017. Camden is using WFIP2 lidar observations to compare evaluate formations for wind speed in the wind turbine rotor layer. In summer 2018, he deployed our lidars to support the ISARRA LASPE-RATE unmanned aerial system field campaign in southern Colorado. Camden is now working as a meteorologist with the National Weather Service in Pendleton, OR.

Ph.D. Alum

Matthew Aitken

Matt Aitken

Ph.D. Alum
Department of Physics
Ph.D. Physics CU Boulder, 2014; M.S. North Carolina State University in Aerospace Engineering, B.S. University of North Carolina in Physics: Matt studied wind turbine wakes via Doppler lidar observations and large eddy simulations. He has characterized the performance of lidars ( Aitken et al. 2012 ), developed approaches for quantifying wake characteristics from scanning lidar and CFD models ( Aitken et al. 2014 JTech ), quantified wakes from nacelle-based lidar...
Nicola Bodini

Nicola Bodini

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Ph.D. Atmospheric and Oceanic Sciences 2019, M.Eng. University of Trento, Environmental and Land Engineering, B.Eng. University of Trento, Environmental and Land Engineering. Nicola is studying turbulence dissipation rate measurements from lidars ( AMT2018 ) in complex terrain ( ACP2019 ) and offshore ( GRL2019 ). He has applied machine learning methods to better represent turbulence in atmospheric models. He has also used scanning lidar data to characterize wind turbine wakes...
Joseph Lee

Joseph Cheuk-Yi Lee

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Ph.D. in Atmospheric and Oceanic Sciences, 2018; B.S. Cornell University in Atmospheric Sciences with minor in Applied Economics. Joseph evaluated how the evening transition of the atmospheric boundary layer affect wind turbine wakes ( BLM 2017 ) and then tested how well a mesoscale wind farm parameterization captured actual power production in an onshore wind farm ( GMD 2017 ). He then focused on evaluating how interannual variability is considered...
Laura Mazzaro

Laura Mazzaro

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Ph.D. Atmospheric and Oceanic Sciences 2019; M.S. Environmental Engineering University of California Berkeley, B.S. Engineering Mechanics University of Illinois Urbana-Champaign. Laura has studied methods for improving atmospheric simulations by coupling mesoscale and large-eddy simulation models ( JAMES 2017 ) and for generating turbulence within nested large-eddy simulations using perturbation methods ( JAMES 2019 ). Laura also collected data during the Perdigão field campaign . Dr. Mazzaro is now an Applied Scientist at Descartes Labs .
Stephanie Redfern

Stephanie Redfern

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Ph.D. Atmospheric and Oceanic Sciences 2021, M.S. Civil & Environmental Engineering Stanford University, M.A. Global Policy Studies University of Texas Austin, B.S. Mechanical Engineering University of Texas Austin. Stephanie has implemented and evaluated improvements to the WRF Wind Farm Parameterization ( MWR 2019 ) as a graduate research fellow at CIRES and applied WRF-FIRE to simulating wildland and urban fires ( JGR 2021 ). In the summer of 2018 she...
Rachel Robey in blue shirt

Rachel Robey

Ph.D. Alum
Department of Applied Mathematics
Ph.D. in Applied Math (2024), B.S. Applied Math University of Colorado Boulder. Rachel built and extended a virtual lidar simulator for WRF-LES ( Robey and Lundquist 2022) to better understand flow over complex terrain, focusing on data from the Perdigão 2017 field campaign ( Robey and Lundquist 2024 ). She is also developing and testing new optimal grids for resolving ocean boundary layers. Her research is supported by the DOE...
Dave Rosencrans

Dave Rosencrans

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Dave employs mesoscale modeling with the WRF Wind Farm Parameterization (WFP) to assess the potential wind resource offshore of the US East Coast ( Rosencrans et al. 2024a ), whether or not the presences of wind farms affects occurrences of freezing sea spray ( Rosencrans et al. 2024b, in review ), and how wind farm wakes affect the wind resource potential in future wind energy buildouts. He has also explored...
Alex Rybchuk

Alex Rybchuk

Ph.D. Alum
Department of Mechanical Engineering
Ph.D. in Mechanical Engineering co-advised by Prof. Greg Rieker, B.E. Mechanical Engineering Cooper Union. Alex models the impact of energy infrastructure on the atmospheric boundary layer. He has evaluated the ability of WRF-LES to accurately simulation emissions from natural gas infrastructure ( Rybchuk et al. 2021 a), and he has used these simulations to characterize monitoring systems. He has also used WRF to build wind resource assessment databases for offshore...
Miguel Sanchez Gomez

Miguel Sanchez Gomez

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Ph.D. in Atmospheric and Oceanic Sciences, 2023; M.S. Mechanical Engineering 2019, University of Colorado Boulder. Miguel is interested in the technological and resource assessment aspects of renewable energies, primarily from wind energy. He has assessed how wind veer affects wind turbine power production in the CWEX-13 dataset (Sanchez Gomez and Lundquist 2020a , 2020b ), used WRF-LES to assess upwind blockage effects from wind farms ( Sanchez Gomez et al...
Clara St. Martin

Clara St. Martin

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Ph.D. in Atmospheric and Oceanic Sciences, 2017; B.S. The Pennsylvania State University in Meteorology with minor in Energy Engineering: Clara has studied atmosphere - wind energy interactions on a range of scales. She studied continental-scale correlations of winds and power production ( ERL 2015 ). She assessed the relationship between upwind measurements of winds and the measurements on turbine nacelles ( WES 2017 ), as well as atmospheric stability and...
Jessica Tomaszewski

Jessica Tomaszewski

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Ph.D. Atmospheric and Oceanic Sciences 2020, M.S. Atmospheric and Oceanic Sciences 2018, B.S. Meteorology University of Oklahoma. Jessica has used large-eddy simulations of wind turbine wakes to demonstrate that wind turbine wakes do not pose hazards to small aircraft ( WES2018 ). She has also used mesoscale modeling to evaluate interactions between wind farms ( NE2018 , AMS talk ) and defined optimal settings for simulating wind farms in WRF...
Brian Vanderwende

Brian Vanderwende

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Ph.D. in Atmospheric and Oceanic Sciences, 2015; M.S. University of Colorado at Boulder in Atmospheric and Oceanic Sciences, B.S. The Pennsylvania State University in Meteorology: Brian has quantified atmospheric stability impacts on wind turbine power production ( ERL 2012 ), assessed if wind turbine power production is related to nearby crops ( BLM 2016 ), assessed lidar obsevations and mesoscale simulations of nocturnal low-level jet behavior in the midwest (...
Rochelle Worsnop

Rochelle Worsnop

Ph.D. Alum
Department of Atmospheric and Oceanic Sciences
Ph.D. in Atmospheric and Oceanic Sciences, 2018; M.S. in Atmospheric and Oceanic Sciences, 2016, B.S. in Meteorology from Florida State University with minors in Mathematics and Geography. Rochelle used large-eddy simulations to study turbulence in hurricanes with applications to offshore wind energy ( BLM2017 , GRL2017 ), and then focused on how to improve statistical forecasts of wind energy ramping events ( WES 2018) . While at CU, Rochelle helped...

M.S. Alum

Serena Lipari-DiLeonardo smiling in the mountains

Serena Lipari-DiLeonardo

M.S. Alum
Department of Applied Mathematics
M.S. Student in Applied Mathematics, University of Colorado Boulder (2023), M.S. Environmental Science and B.S. Mathematics, CUNY College of Staten Island. Serena quantified a climatology of downslope windstorms in the Front Range. In her free time, Serena loves venturing into the mountains, painting, baking and astrophotography.
Andrew Metz

Andrew Metz

M.S. Alum
Department of Atmospheric and Oceanic Sciences
M.S. in Atmospheric and Oceanic Sciences 2022, B.S. Mechanical Engineering 2019, University of Massachusetts Amherst. Andrew is interested in the behavior of wildfire smoke, using WRF-Fire. Andrew is also interested in resource analysis for wind and solar energy. Free time finds him trail running and playing baroque continuo.
Michael Rhodes

Michael Rhodes

M.S. Alum
Ann & H.J. Smead Department of Aerospace Engineering Sciences
M.S. University of Colorado at Boulder, Aerospace Engineering, B.S. North Carolina State University, Aerospace Engineering: Michael used Doppler lidar to quantify the wind speed deficit and turbulence enhancement of a turbine wake during the CWEX-11 experiment ( BLM 2013 ), and continued to work with our instruments during the TODS, CWEX-13, and LUMEX campaigns. After working at NOAA's Earth Systems Research Laboratory in Boulder, Mike is currently the laboratory manager...
Joey Taylor

Joey Taylor

M.S. Alum
Department of Atmospheric and Oceanic Sciences
M.S. in Atmospheric and Oceanic Sciences, University of Colorado Boulder, 2023. B.S. in Physics, Astronomy from University of Maryland, 2020. Joey is interested in wildfire spread dynamics such as spot fires generated by lofted embers. His graduate research was supported by the DOE Computational Science Graduate Fellowship. Joey is now an Unmanned Aerial System Remote Fire Sensing Scientist/Engineer at CIRES/NOAA in Boulder. In his free time, Joey enjoys hiking, playing...

REU Alum

Adrian Garza

Adrian Garza

REU Alum
B.S. in Computer Science, University of Texas Rio Grande Valley, expected in 2023. Adrian participated in the Atmospheric and Oceanic Sciences Research Experience for Undergrads (REU) program in the summer of 2022. Adrian studied how complex terrain affected turbulence profiles in the Perdigão campaign.
Blanca Hernandez Ramirez

Blanca Hernandez Ramirez

REU Alum
Blanca is a Civil Engineering student at The University of Texas Rio Grande Valley, planning to graduate in May 2023. She joined us as a REU student in summer 2021 working on turbulence dissipation rate measurements from LAPSE-RATE.
Kristian Posada and her dog Ranger

Kristian Posada

REU Alum
B.S. in Civil Engineering and Environmental Science at The University of Texas Rio Grande Valley (expected 2024). Kristian is using Weather Research & Forecasting model data to explore the effects of offshore wind energy on the environment, specifically on oceanic surface temperatures and heat flux. Her interests also include the socioeconomic effects of environmental changes and environmental policy relative to the field of science.
Sarah snuggling her child

Sarah Womantree

REU Alum
B.S. in Meteorology, Metropolitan State University of Denver, May 2023. Sarah participated in the Atmospheric and Oceanic Sciences Research Experience for Undergrads (REU) program in the summer of 2022. Sarah studied the dynamics of katabatic and anabatic wind flow patterns near complex terrain, using LIDAR data from the LAPSE-RATE campaign. She is interested in how wind flow over complex terrain generates vorticity and turbulence, and how they influence the creation...

Undergraduate Alum

James Bell

James Bell

Undergraduate Alum
Department of Geography
B.A. University of Colorado Boulder, Geography with a minor in Atmospheric and Oceanic Sciences, 2020. James investigated mountain waves using lidar and turbine measurements from the WFIP2 field campaign . In his free time, he enjoys photography, skateboarding and hiking In the mountains.
Sean Butters

Sean Butters

Undergraduate Alum
Department of Environmental Studies
B.A. summa cum laude University of Colorado Boulder, Environmental Studies, minor in Atmospheric and Oceanic Sciences, 2022 . Sean compared the performance of WRF Numerical Weather Prediction modeling versus ERA5 reanalysis against measured data from lidars to investigate the differences between these methods for characterization of wind resources in complex terrain. He also is interested in the science-policy interface related to renewable energy and the evolution of global energy systems...
Kelley Hestmark

Kelley Hestmark

Undergraduate Alum
Biochemistry and Environmental Engineering
B.S. University of Colorado at Boulder, Biochemistry and Environmental Engineering: During her summer undergraduate research experience in our group in 2012, Kelley analyzed Doppler lidar data from the TWICS-2011 experiment ( JTech 2014 ). Kelley started graduate school at UC Davis in Fall 2014, worked at NREL's National Bioenergy Center in bioplastics, and is now a research technician at Alder Fuels.
Photo of Jay Kong

Jay Kong

Undergraduate Alum
Department of Atmospheric and Oceanic Sciences
B.A. University of Colorado Boulder, Atmospheric and Oceanic Sciences, Astronomy, and GIS-focused Geography, and with Geology, Space, and Data Science minors, May 2023: Jay's interests include astronomy and machine learning, which he is combining with his ATOC honors thesis to study surface aeolian landforms on Mars to reveal the prevalent surface winds on Mars. He will also be simulating winds on Mars with MarsWRF. Jay is now in the Ph.D...
Hannah Livingston

Hannah Livingston

Undergraduate Alum
Ann & H.J. Smead Department of Aerospace Engineering Sciences
B.S. University of Colorado Boulder, Mechanical and Energy Engineering, 2021. Hannah investigated how system of interconnected offshore wind farms off the shore of Massachusetts could provide baseline power for New England toward the interest of determining the viability of a macrogrid ( Livingston & Lundquist 2020 ). With an engineering background, she is interested in both the technical aspects as well as the economic and societal impacts arising from rapid...
Patrick Murphy

Patrick Murphy

Undergraduate Alum
Department of Atmospheric and Oceanic Sciences
B.A. in Atmospheric and Oceanic Sciences, 2018. Patrick joined our group in spring 2017, just in time to join the Perdigão field campaign. After returning to Boulder, he analyzed lidar and surface station data to characterize wind turbine wakes. In summer 2018, he deployed our lidars to support the ISARRA LASPE-RATE unmanned aerial system field campaign in southern Colorado. After an internship at the National Renewable Energy Laboratory analyzing atmospheric...
Anne Nguyen

Anne Nguyen

Undergraduate Alum
Ann & H.J. Smead Department of Aerospace Engineering Sciences
B.S. University of Colorado Boulder, Aerospace Engineering, expected 2024. Anne investigated Kelvin-Helmholtz instability in the nocturnal stable boundary layer and how it might affect wind turbines. In her free time, she enjoys playing video games, and exploring new places with friends and family.
Daniel Pollak

Daniel Pollak

SOARS Alum
Department of Atmospheric and Oceanic Sciences
M.S. European Wind Energy Master's Program , 2014; B.S. The Pennsylvania State University, Meteorology, 2011: Daniel evaluated the performance of a SODAR instrument during the TWICS-2011 experiment in summer 2011 and carried out simulations of an offshore wind farm in summer 2012. He is now an Associate at REsurety, Inc., working on Valuation & Risk Analytics.
Vincent Pronk

Vincent Pronk

Undergraduate Alum
Department of Atmospheric and Oceanic Sciences
B.A. University of Colorado Boulder, Atmospheric and Oceanic Sciences, 2020. Vincent quantified model skill for high resolution WRF simulations at the Southern Great Plains site in Oklahoma. After graduating, he moved to a SULI internship at NREL and now teaches at STRIVE Prep. In his free time, he enjoys hiking and playing soccer.
Daphne smiling next to a blossom

Daphne Quint

Undergraduate Alum
Department of Atmospheric and Oceanic Sciences
B.A. in Atmospheric and Oceanic Sciences, University of Colorado Boulder, with a minor in Mathematics (2023). Daphne defended an honors thesis on the impacts of offshore wind farms on low-level jets. After graduating, she continued research on the meteorological impacts of offshore wind farms as a SULI intern at NREL. In her free time, Daphne enjoys climbing and exploring caves.
Eva Ramm in the snow for spring graduation

Eva Ramm

Undergraduate Alum
Department of Atmospheric and Oceanic Sciences
B.A. University of Colorado Boulder, Atmospheric and Oceanic Sciences with a minor in Geography, 2024. Eva studied lightning strikes around wind turbines in Oklahoma. She also worked at the CU Mountain Research Station, digging snow pits as part of the Niwot Ridge LTER. In her free time, Eva enjoys climbing, snowboarding, and photography.
Jiwan Rana

Jiwan Rana

Undergraduate Alum
Department of Computer Science
B.S. University of Colorado at Boulder, Computer Science, 2015: Jiwan used python and NCL to provide insight into the atmospheric boundary layer datasets collected by our research group. (Check out his CWEX-13 data page !) He is interested in scientific visualization, parallel computing, and machine learning. In his free time, he enjoys hiking and photography, and spending time with his electric guitar.
Madison Shogrin

Madison Shogrin

Undergraduate Alum
Department of Environmental Studies
B.A. University of Colorado Boulder, Environmental Studies, 2020, with minors in ATOC and Geography. Building on her internship at JPL studying quantifying water vapor in the planetary boundary layer using combined data from OCO-2 and AIRS using ARM SGP products, Madison completed an honors thesis broadening validation regions/datasets using IGRA and others. In her free time, she likes to snowboard and hike. In Fall 2020, she joined Emily Fischer's group...
Photo of Max Silver in sharp blue suit

Max Silver

Undergraduate Alum
Department of Applied Mathematics
BA, Statistics and Data Science (2023). Max defended an honors thesis that investigated changing fire weather in Colorado. He has presented his findings at several conferences including the 104th American Meteorological Society) Annual Meeting, and his paper on his honors thesis is currently in review. Outside of school, Max enjoys racquet sports, swimming, music, baking, and skiing.
Jake Silverstein

Jacob Anthony Silverstein

M.S. Student
Data Science
M.S. in Data Science (expected 2023), B.A. in Environmental Sciences (2021), University of Colorado Boulder. Jacob is investigating how wind turbine wakes behave under differing atmospheric conditions using nacelle-mounted scanning lidar from the National Renewable Energy Laboratory. As a SULI via the U.S. Department of Energy at NREL, he is further investigating the effects of wake steering on yawed wind turbines (Silverstein et al., 2022, in prep). With a robust...

Visitor

Martin de Mare

Danish Technological University, visitor Spring 2012
Philipp Gasch

Philipp Gasch

Ph.D. 2021 Karlsruhe Institute of Technology (KIT), M.Sc., KIT, Meteorology, 2016; M.A., Tel Aviv University, Environmental Studies, 2014. Philipp built a simulator in large-eddy simulation codes for airborne lidar measurements of boundary-layer winds to provide uncertainty quantification for those measurements ( AMT 2020 ). Philipp visited our group in Spring 2018.

Emil Hedevang

Aarhus University, visitor Spring 2012
Robert Menke

Robert Menke

Ph.D. 2020 Danish Technical University, M.S. Engineering Physics University of Oldenburg, B. Eng. Engineering Physics University of Oldenburg. Robert managed several of DTU's scanning lidars during the Perdigão field campaign, and has used those data to characterize wind turbine wakes ( WES2018 ) and investigate recirculation zones in the Perdigão valley ( ACP2019 ). Robert visited our group Jan-Jul 2018 and NCAR in 2019. After graduation, Dr. Menke joined the...
Mihael Plut

Mihael Plut

M.S. 2016 European Wind Energy Master's Program. Mihael assessed methods for representing wind farms in WRF. After serving as Lead Performance Engineer at GE Renewables in Barcelona, he is now a project manager at Siemens Gamesa in Copenhagen. Mihael visited our group Jan-Jul 2016.
William Radünz smiling with wind turbine in the background

William Radünz

Visiting Postdoctoral Researcher
Department of Atmospheric and Oceanic Sciences
Postdoctoral Researcher from the Polytechnic Engineering School at the University of São Paulo (USP) in Brazil, interested in the topics of environmental fluid mechanics, turbulence, and wind energy. Currently works on wind farm–atmosphere interactions in stable conditions during low-level jets episodes using multiscale WRF-LES-GAD simulations within the DoE-funded American WAKe ExperimeNt (AWAKEN) project.
Simon Siedersleben

Simon Siedersleben

Ph.D. 2019 Karlsruhe Institute of Technology. Simon is interested in offshore wind farm wakes and participated in the WIPAFF experiment to measure wakes ( NSR2018 ), and he has carried out simulations of those wakes with the WRF wind farm parameterization to assess wind speed deficit predictions ( MZ2018 ) as well as local temperature and moisture impacts ( ERL2018 ) and turbulence kinetic energy changes ( GMD2020 ). Simon visited our group in Fall 2017.
Ken Tay cartwheeling

Ken Tay

Ph.D. 2018 Nanyang Technological University, B.Eng (Aero). Nanyang Technological University in Aerospace Engineering: Ken nested Large-Eddy Simulation techniques within mesoscale weather models for the purpose of improving wind resource assessment. He is now Technical Lead - Project Development and Analytics at DNV . Ken visited CU-Boulder in May-June 2013 and again May 2014 - March 2015.
Wakes simulated by Lukas Vollmer

Lukas Vollmer

Ph.D. 2019 ForWind, Carl-von-Ossietzky Universitat Oldenburg. Lukas uses large-eddy simulations to explore the behavior of wind turbine wakes, and used data from the CWEX-11 field campaign for his large-eddy simulations of wakes in a range of stability conditions ( Visby2017 ). He visited our group in Fall of 2015.
Gao Xiaoxia

Gao Xiaoxia

Ph.D Building Service Engineering, The Hong Kong Polytechnic University, M.S. Hebei University of Enginnering in HVAC, B.S Yanshan University: Gao has studied offshore wind resource assessment near Hong Kong. She quantified wind turbine wake characteristics from the CWEX-13 field campaign. Gao visited CU-Boulder in Apr-Jul 2014.