Presented on April 17, 2024, by Cheng-Ku YuProfessor and ChairDepartment of Atmospheric SciencesNational Taiwan UniversityTaipei, Taiwan ABSTRACT Outer tropical cyclone rainbands (TCRs) are a concentrated region of heavy precipitation and hazardous weather within tropical cyclones (TCs). Outer TCRs pose considerable
The Energetics Analysis of Convectively Coupled Kelvin Waves
Presented on April 10, 2024, by Jia-Yuh Yu, ProfessorDepartment of Atmospheric SciencesNational Central UniversityTaiwan ABSTRACT Using the fifth generation European Center for Medium-range Weather Forecasts (ERA5) reanalysis data, we present a detailed examination of the climatological features of convectively coupled
Direct Numerical Simulation of Lee Vortices in Two-Layer Stratified Flow
Presented on April 3, 2024, by Dr. Richard RotunnoNSF NCAR Senior Scientist ABSTRACT This study considers a two-layer fluid with constant density in each layer connected by a layer of continuously varying density for flows past topography in which hydraulic
Actionable Earth System Science with and for Society
Presented on March 27, 2024, by Dr. Everette Joseph, DirectorNational Center for Atmospheric Research ABSTRACT The National Science Foundation National Center for Atmospheric Research (NSF NCAR) was established by the NSF in 1960 to provide the university community with world-class
A Wildland Fire Spread Prediction System for Hawai’i
Presented on March 20, 2024, by Dr. Francis FujiokaResearch Meteorologist, RetiredUSDA Forest Service, Pacific Southwest Research Station ABSTRACT The National Weather Service fire weather forecast for West Maui on August 8, 2023 predicted dry and windy conditions well before they
Ensemble Cluster Analysis of an Extreme Heavy Rainfall Event Over Northern Taiwan
Presented on March 13, 2024, by Dr. Chieh-Ying KeDepartment of Atmospheric SciencesNational Central UniversityTaoyuan City, Taiwan ABSTRACT A Mei-Yu front with an accumulated rainfall of over 550 mm in 8 hours stagnated in northern Taiwan in the early morning of
Idealized High-Resolution Simulations of a Back-Building Convective System that Causes Torrential Rain
Presented on March 6, 2024, by Prof. Junshi ItoDepartment of GeophysicsGraduate School of ScienceTohoku UniversitySendai, Miyagi, Japan ABSTRACT A quasi-stationary back-building convective system is reproduced using a regional weather prediction model initialized with a single representative sounding in which the
Investigating an intense coastal rainfall event during TAHOPE/PRECIP-IOP3 using a multiscale radar ensemble data assimilation system
Presented on February 21, 2024, by Shu-Chih Yang, Distinguished ProfessorDepartment Chair of Atmospheric SciencesDirector of GPS Science and Application Research CenterNational Central University, Jhongli, Taiwan ABSTRACT A multi-scale radar ensemble data assimilation system has been developed by applying the successive
Foundational Model with Applications for Air-sea Interaction Research
Presented on February 14, 2024, by Yannik GlasserPhD Candidate, Information & Computer ScienceJustin Stopa, Ph.D.Associate Professor Department of Ocean & Resources Engineering Abstract: Synthetic aperture radars (SAR) aboard space-borne satellites measure sub-mesoscale oceanic and atmospheric phenomena at a global scale.
HPC Portable Containers Modeling Environment
Presented on January 24, 2024, by Dr. Tom Robinson, PhDNational Oceanic and Atmospheric AdministrationOak Ridge National LaboratoryGeophysical Fluid Dynamics Laboratory ABSTRACT The Atmosphere Model 4, Coupled Model 4, and Earth System Model 4 developed by the Geophysical Fluid Dynamics Laboratory