Characteristics of the Evolution of Rapidly Intensifying and Slowly Intensifying Events in Tropical Cyclones

Authors

Xinxi WangFollow

Document Type

Dissertation

Degree

Doctor of Philosophy (PhD)

Major/Program

Earth Systems Science

First Advisor's Name

Haiyan Jiang

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Hugh Willoughby

Second Advisor's Committee Title

Committee Member

Third Advisor's Name

Ping Zhu

Third Advisor's Committee Title

Committee Member

Fourth Advisor's Name

Wei Wang

Fourth Advisor's Committee Title

Committee Member

Keywords

Tropical Cyclones, Rapid Intensification, Slow Intensification

Date of Defense

6-22-2023

Abstract

It is crucial to improve the understanding of the characteristics of the evolution of the rapidly intensifying (RI) and slowly intensifying (SI) events in tropical cyclones (TC). Firstly, the climatology of RI and SI events as well as their time evolutions of climatological and persistence, and environmental parameters for TC are examined in both North Atlantic and Eastern North Pacific basins based on 35-yr (1982-2016) best track and Statistical Hurricane Intensity Prediction Scheme data. Eighteen parameters including storm-related variables and climatological and persistence variables are quantitatively investigated in different event-relative stages. Significantly differences are presented between climatological and persistence and environmental characteristics of RI events and that of SI events. Secondly, the relationship is refined between TC intensification rate and precipitation and convective features in the inner core by decoupling the dependency of precipitation and convection parameters on TC intensity and that on TC intensification rate using a 16-yr Tropical Rainfall Measuring Mission Microwave Imager (TMI) observations. Precipitation and convection parameters including rain rate, 85-GHz polarization corrected brightness temperature, and occurrence of various types of precipitation parameters and their axisymmetric index is to be quantified in different intensity change stage of various intensity categories. Last but not least, the evolution of precipitation and convection during RI and SI events is compared. The surface rainfall data is from the TMI rainfall product. An axisymmetric parameter of rainfall is examined. Convective proxies are derived from the inter-calibrated TMI 37 GHz and 85-91 GHz brightness temperatures. The radial distribution of azimuthal mean and 2-D shear-relative composites of these precipitation and convective parameters is compared during the evolution of RI verses SI events.

Identifier

FIDC011136

ORCID

https://orcid.org/0009-0009-2422-7000

Previously Published In

Wang, X. and Jiang, H. 2021: Contrasting Behaviors between the Rapidly Intensifying and Slowly Intensifying Tropical Cyclones in the North Atlantic and Eastern Pacific basins. Journal of Climate, 34, 987-1003, https://doi.org/10.1175/JCLI-D-19-0908.1.

Recommended Citation

Wang, Xinxi, "Characteristics of the Evolution of Rapidly Intensifying and Slowly Intensifying Events in Tropical Cyclones" (2023). FIU Electronic Theses and Dissertations. 5439.
https://digitalcommons.fiu.edu/etd/5439