Talks and Seminars

Invited Seminars

Improving the Ensemble Data Assimilation of Geostationary Satellite Infrared Imagery
Department of Atmospheric Science, Colorado State University (Nov 16, 2023)
Giving an invited seminar on 1) a new high resolution Tropical Mesoscale Convective System Reanalysis (TMeCSR), 2) a novel, efficient, scalable, and easy-to-implement method to improve forecast uncertainty quantification (Probit-space Ensemble Size Expansion for Gaussian Copulas; PESE-GC), and 3) enhancing the impacts of IR data assimilation using a novel efficient bi-Gaussian EnKF.
Improving the analysis and forecasts of tropical mesoscale convective systems by advancing the ensemble data assimilation of satellite infrared imagery (click here to view recording)
Mesoscale and Microscale Meteorology Laboratory, National Center for Atmospheric Research, USA (June 2023)
Gave an invited seminar on 1) improving the analyses and predictions of tropical mesoscale convective systems through assimilating satellite IR observations, 2) a new high resolution Tropical Mesoscale Convective System Reanalysis (TMeCSR), and 3) enhancing the impacts of IR data assimilation using a novel and efficient bi-Gaussian EnKF
Improving the analysis and forecasts of tropical mesoscale convective systems by advancing the ensemble data assimilation of satellite infrared imagery
Naval Research Laboratory, USA (June 2023)
Gave an invited seminar on 1) improving the analyses and predictions of tropical mesoscale convective systems through assimilating satellite IR observations, 2) a new high resolution Tropical Mesoscale Convective System Reanalysis (TMeCSR), and 3) enhancing the impacts of IR data assimilation using a novel and efficient bi-Gaussian EnKF
The Bi-Gaussian Ensemble Kalman Filter (BGEnKF): A Cloud-Aware Ensemble Data Assimilation Method
Environmental Modeling Center, National Center for Environmental Prediction (Dec 2022)
Gave an invited seminar on advancing the data assimilation of geostationary satellite IR observations through advancing an efficient bi-Gaussian EnKF.
Improving the Analyses and Forecasts of Tropical Mesoscale Convective Systems by Advancing the Ensemble Data Assimilation of Geostationary Satellite Infrared Radiances
Center for Climate Research Singapore, Meteorological Service Singapore, Singapore (Nov 2022)
Gave an hour-long invited seminar on 1) improving the analyses and predictions of tropical mesoscale convective systems through assimilating satellite IR observations, and 2) enhancing these improvements through using a novel and efficient bi-Gaussian EnKF
Restraining Tropical Chaos with Satellite Observations
Special Programme in Science, National University of Singapore, Singapore (Sept 2021)
Gave an hour-long informal invited seminar on satellite data assimilation to a mixture of scientists and undergraduates studying life science, chemistry and physics.

Talks and posters

Mitigating the curse of small ensembles with Probit-space Ensemble Size Expansion for Gaussian Copulas (PESE-GC; “peace gee-see”; link to slides)
The 9th International Symposium for Data Assimilation (2023)
The Potential Benefits of Handling Mixture Statistics via a Bi-Gaussian EnKF: Tests with All-Sky Satellite Infrared Radiances (Oral presentation; link to recording)
American Meteorological Society's 27th Conference on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans, and Land Surface (IOAS-AOLS)
On the Importance of Parallel EnKFs for All-sky Infrared Data Assimilation (Oral presentation)
The 8th International Symposium for Data Assimilation (2022)
An Efficient Bi-Gaussian Ensemble Kalman Filter (BGEnKF) for Satellite Infrared Data Assimilation (Oral presentation)
The 8th International Symposium for Data Assimilation (2022)
On the Importance of Parallel EnKFs for All-sky Infrared Data Assimilation (Oral presentation)
American Meteorological Society's 35th Conference on Hurricanes and Tropical Meteorology (2022)
An Efficient Bi-Gaussian Ensemble Kalman Filter (BGEnKF) for Satellite Infrared Data Assimilation (Oral presentation)
American Meteorological Society's 26th Conference on Integrated Observing and Assimilation Systems for Atmosphere, Oceans and Land Surface (2022)
Improving Analyses and Forecasts of a Tropical Squall Line using Geostationary Infrared Observations (Oral presentation; link to recording)
Asia Oceania Geosciences Society's Annual Meeting 2021
An Efficient Bi-Gaussian Ensemble Kalman Filter (BGEnKF) for Satellite Infrared Data Assimilation (Oral presentation)
American Meteorological Society's 25th Conference on Integrated Observing and Assimilation Systems for Atmosphere, Oceans and Land Surface (2021)
Improving Analyses and Forecasts of a Tropical Squall Line using Geostationary Infrared Observations (Oral presentation; link to recording)
American Meteorological Society's 24th Conference on Satellite Meteorology, Oceanography and Climatology (2021)
Improving Analyses and Forecasts of a Tropical Squall Line using Geostationary Infrared Observations (Oral presentation)
Fourth Midwest Student Conference on Atmospheric Research, University of Illinois at Urbana-Champaign (2020)
All-sky Geostationary Infrared Data Assimilation over the Tropics (Oral presentation)
Ninth Annual Young Scientist Symposium on Atmospheric Research, Colorado State University (2019)
Potential impacts of assimilating All-Sky Satellite Infrared Radiances on Convention-Permitting Analysis and Prediction of Tropical Convection (Poster)
Eighth American Meteorological Society Symposium on the Joint Center for Satellite Data Assimilation (JCSDA; 2019)

Other recorded talks

Joseph's PhD Dissertation Defense Presentation (click here)
Joseph's PhD Comprehensive Exam Presentation (click here)