Presented on November 15, 2023, by Pao-Shin Chu, PhDProfessor of Atmospheric SciencesSchool of Ocean and Earth SciencesUniversity of Hawaii at Manoa ABSTRACT Intense tropical cyclones (TCs), which often peak in autumn, have destructive impacts on life and property, making it
Real-Time Operational and High-Resolution Model Forecasts of West Maui Fires on 8 August, 2023
Presented on November 8, 2023, by Derek Wroe, MSNational Weather Service Fire Weather Focal PointHonolulu Forecast Office Yi-Leng Chen, PhDProfessor of Atmospheric SciencesSchool of Ocean and Earth SciencesUniversity of Hawaii at Manoa ABSTRACT The NWS Fire Weather Focal Point will
Climate controls of tropical cyclone size: rotation, Rossby waves, and climate change
Presented on November 1, 2023, by Daniel R. ChavasAssociate Professor of Atmospheric ScienceDepartment of Earth, Atmospheric, and Planetary SciencesPurdue University ABSTRACT Tropical cyclones cause widespread damage and loss of life globally each year. In a future warmer climate, tropical cyclones
The Meteorology of the Maui Firestorm
Presented on October 25, 2023, by Dr. Steven BusingerProfessor of Atmospheric SciencesSchool of Ocean and Earth SciencesUniversity of Hawaii at Manoa ABSTRACT This talk will present preliminary results regarding, i) the role of the large scale weather pattern – e.g.,
Resonance of the Global Atmosphere – from the Marquis de Laplace to the Hunga-Tonga Eruption
Presented on October 11, 2023, by Kevin Hamilton, Emeritus Professor of Atmospheric SciencesSchool of Ocean and Earth SciencesUniversity of Hawaii at Manoa Abstract A fundamental and long-standing issue in dynamical meteorology is how the global atmosphere resonates. Unlike many familiar
Understanding the Recent Increase in Multiyear La Niñas
Presented on September 20, 2023, byBin Wang, Professor Emeritus Department of Atmospheric SciencesSchool of Ocean and Earth SciencesUniversity of Hawaii at Manoa Abstract Five multi-year La Niña (ML) events have occurred since 1998, including two rare ‘triple’ La Nina. The clustered ML
An Overview of Low-Level Jets (LLJs) and Their Roles in Heavy Rainfall over the Taiwan Area during the Early Summer Rainy Season
Yi-Leng (Dave) Chen, ProfessorDepartment of Atmospheric SciencesSchool of Ocean and Earth SciencesUniversity of Hawaii at Manoa Abstract During the early summer rainy season over Taiwan, three types of low-level jets are observed, including a synoptic low-level jet (SLLJ) situated in
Why does rapid eyewall contraction precede rapid intensification in hurricanes?
Yuqing WangDepartment of Atmospheric Sciences and International Pacific Research CenterSchool of Ocean and Earth SciencesUniversity of Hawaii at Manoa Abstract In this presentation, the relationship between the observed rapid eyewall contraction (in terms of the radius of maximum wind–RMW) and
A Novel Approach to Characterize Tropical Moisture Exports in Atmospheric Rivers
Presented on May 3, 2023, by José Martínez-ClarosPostdoctoral scholarScripps Institution of OceanographyLa Jolla, CA Abstract Atmospheric rivers (ARs) are large-scale moisture transport systems in the atmosphere, commonly associated with an extratropical cyclone. Two key variables are used to characterize ARs
The Gulf Stream Convergence Zone
Presented on April 5, 2023, by Niklas SchneiderDirector, International Pacific Research CenterProfessor, Department of OceanographyUniversity of Hawai’i at Mānoa Abstract: The Gulf Stream Convergence Zone is a dipole of long-term averaged surface-wind divergence and convergence over the cold and warm