A5085646323- Tropical and Extratropical Cyclones Research
- Meteorological Phenomena and Simulations
- Ocean Waves and Remote Sensing
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Climate variability and models
- Geological and Geophysical Studies
- Franchising Strategies and Performance
- Cryospheric studies and observations
- Precipitation Measurement and Analysis
- Coastal and Marine Dynamics
- Crystallography and molecular interactions
- Medical Research and Treatments
- Coral and Marine Ecosystems Studies
- Innovation Policy and R&D
- Aerospace Engineering and Energy Systems
- Criminal Law and Evidence
- Myeloproliferative Neoplasms: Diagnosis and Treatment
- Hydrology and Drought Analysis
- Planetary Science and Exploration
- China's Socioeconomic Reforms and Governance
- Intellectual Property and Patents
- Environmental and Agricultural Sciences
- Aerospace and Aviation Technology
- Mineralogy and Gemology Studies
University of Alabama in Huntsville
2023-2024
Affiliated Hospital of Southwest Medical University
2024
Shanghai Academy of Spaceflight Technology
2024
Southwest University
2024
NOAA Atlantic Oceanographic and Meteorological Laboratories
2022-2023
Fujian Electric Power Survey & Design Institute
2023
Northern Gulf Institute
2022
Stennis Space Center
2022
Mississippi State University
2022
Nanjing University
2005-2021
Abstract The typical synoptic flow patterns and environmental factors that favor the rapid intensification (RI) of tropical cyclones (TCs) in South China Sea (SCS) have been identified based on all TCs formed SCS between 1981 2011. quantity RI is defined as 24-h increase maximum sustained surface wind speed by 15 m s−1 previous studies, which close to 95th percentile intensity change samples excluding those after landfall. There are 4.9% (2.3%) depressions (tropical storms) experienced RI....
Abstract This study analyzes the microphysics of convective cells in an outer rainband Typhoon Nida (2016) using data collected by a newly upgraded operational polarimetric radar China. The life cycle these is divided into three stages: developing, mature, and decaying according to intensity corresponding updraft. Composite analysis shows that deep columns ZDR KDP collocate well with enhanced updraft as develop their mature stage. A layered microphysical structure observed ice region riming...
Abstract Unique data from seven flights of the Coyote small unmanned aircraft system (sUAS) were collected in Hurricanes Maria (2017) and Michael (2018). Using NOAA’s P-3 reconnaissance as a deployment vehicle, sUAS high-frequency (>1 Hz) measurements turbulent boundary layer hurricane eyewalls, including wind speed, direction, pressure, temperature, moisture, sea surface which are valuable for advancing knowledge structure process intensification. This study presents an overview...
Abstract Cloud microphysics significantly impact tropical cyclone precipitation. A prior polarimetric radar observational study by the authors revealed ice-phase microphysical processes as dominant mechanisms responsible for heavy precipitation in outer rainband of Typhoon Nida (2016). To assess model performance regarding microphysics, three double-moment schemes (i.e., Thompson, Morrison, and WDM6) are evaluated performing a set simulations same case. While these capture rainband’s general...
This document summarizes the physics schemes used in two configurations of first version operational Hurricane Analysis and Forecast System (HAFSv1) at NOAA NCEP. The package HAFSv1 is same as that NCEP global forecast system (GFS) 16 except for an additional microphysics scheme modifications to sea surface roughness lengths, boundary layer scheme, entrainment rate deep convection scheme. Those are specifically designed improving simulation tropical cyclones (TCs). mainly differ adopted...
Introduction: Immunotherapy in DLBCL (diffuse large B-cell lymphoma disease) has become an active research area with great value and potential. However, bibliometric this is still sparse. Through analysis, we aimed to visualize the hot spots trends of immunotherapy disease help understand future development basic clinical research. Methods: The Web Science Core Collection database was searched for articles reviews related from 2004 2024. VOSviewers, CiteSpace, R package “bibliometrix” were...
In Part I of this study, the role environmental monsoon flow in onset rapid intensification (RI) Typhoon Vicente (2012) was discussed. II, key inner-core processes that effectively resist vertical wind shear during RI are investigated. The convective precipitation shield (CPS) embedded downshear convergence zone plays a vital preconditioning tropical cyclone (TC) vortex before RI. CPS induces mesoscale positive vorticity band (PVB) characterized by vortical hot tower structures upstream and...
Abstract The notable prelandfall rapid intensification (RI) of Typhoon Mujigae (2015) over abnormally warm water with moderate vertical wind shear (VWS) is investigated by performing a set full-physics model simulations initialized different sea surface temperatures (SSTs). While all experiments can reproduce RI, tropical cyclones (TCs) in cooler initiate the RI 13 h later than those warmer experiments. A comparison structural changes preceding onset two representative and SSTs (i.e., CTL...
Abstract Understanding physical processes leading to rapid intensification (RI) of tropical cyclones (TCs) under environmental vertical wind shear is key improving TC intensity forecasts. This study analyzes the thermodynamic that help saturate inner core before RI onset using a column‐integrated moist static energy (MSE) framework. Results indicate nearly saturated in lower‐middle troposphere achieved by an increase MSE, as column water vapor accumulates while mean temperature cools. The...
Typhoon Vicente (2012) underwent an extreme rapid intensification (RI) over the northern South China Sea just before its landfall in south China. The RI, sudden track deflection, and inner- outer-core structures of were reasonably reproduced Advanced Research version Weather Forecasting (WRF-ARW) Model simulation. evolutions axisymmetric inner-core radar reflectivity primary circulation simulated verified against Doppler observations. Two stages identified: 1) asymmetric stage (i.e., RI...
Abstract Horizontal grid spacings of numerical weather prediction models are rapidly approaching O (1 km) and have become comparable with the dominant length scales flows in boundary layer; within such “gray-zone”, conventional planetary layer (PBL) parameterization schemes start to violate basic design assumptions. Scale-aware PBL been developed recently address gray-zone issue. By performing WRF simulations Hurricane Earl (2010) at sub-kilometer spacings, this study investigates effect...
Abstract Boundary layer turbulent processes affect tropical cyclone (TC) structure and intensity change. However, uncertainties in the parameterization of planetary boundary (PBL) under high-wind conditions remain challenging, mostly due to limited observations. This study presents evaluates a framework numerical simulation that can be used for small-domain [O(5 km)] large-eddy (LES) single-column modeling (SCM) TC layer. The builds upon previous uses few input parameters represent vortex...
Abstract This study investigates the precipitation symmetrization preceding rapid intensification (RI) of tropical cyclones (TCs) experiencing vertical wind shear by analyzing numerical simulations Typhoon Mujigae (2015) with warm (CTL) and relatively cool (S1) sea surface temperatures (SSTs). A novel finding is that maintained continuous development deep convection along inward flank a convective shield (CPS), especially in downwind part. Beneath CPS, downdrafts flush boundary layer...
Abstract Parameterizations of turbulent processes in planetary boundary layer (PBL) schemes impact tropical cyclone (TC) forecasts. Existing PBL are mostly designed for low‐wind conditions, and assessing their uncertainties hurricane conditions remains challenging, due to very scarce observations. Using a recently developed framework based on large‐eddy simulations (LES), this study evaluates K ‐profile parameterization (KPP) high‐order conditions. Among KPP schemes, the Global Forecast...
Abstract Understanding how model physics impact tropical cyclone (TC) structure, motion, and evolution is critical for the development of TC forecast models. This study examines impacts microphysics planetary boundary layer (PBL) on forecasts using Hurricane Analysis Forecast System (HAFS), which newly operational in 2023. The “HAFS-B” version specifically evaluated, three sensitivity tests (for over 400 cases 15 Atlantic TCs) are compared with retrospective HAFS-B runs. Sensitivity...
Abstract On 4 October 2015, a miniature supercell embedded in an outer rainband of Typhoon Mujigae produced major tornado Guangdong province China, leading to deaths and up 80 injuries. This study documents the structure evolution tornadic using coastal Doppler radars, sounding, videos, damage survey. is rated at least EF3 on enhanced Fujita scale. It by far strongest typhoon yet documented possessed double funnels near its peak intensity. Radar analysis indicates that this exhibited...
Abstract Accurately representing boundary layer turbulent processes in numerical models is critical to improve tropical cyclone forecasts. A new turbulence kinetic energy (TKE)-based moist eddy-diffusivity mass-flux (EDMF-TKE) planetary scheme has been implemented NOAA’s Hurricane Analysis and Forecast System (HAFS). This study evaluates EDMF-TKE hurricane conditions based on a recently developed framework using large-eddy simulation (LES). Single-column modeling tests indicate that produces...
This contribution summarizes the significant progress in a variety of topic areas related to internal tropical cyclone (TC) intensity change processes over 2018–2022 from WMO Tenth International Workshop on Tropical Cyclones (IWTC-10). These include surface and boundary layer processes; TC structure microphysical and, radiation interactions with TCs. Recent studies better frame uncertainty drag enthalpy coefficients at high wind speeds. parameters greatly impact it is therefore important...
During the 2022 hurricane season, real-time forecasts were conducted using an experimental version of Hurricane Analysis and Forecast System (HAFS). The HAFS detailed in this paper (HAFSV0.3S, hereafter HAFS-S) featured moving nest recently developed at NOAA AOML, also model physics upgrades: TC-specific modifications to planetary boundary layer (PBL) scheme introduction Thompson microphysics scheme. covered a large dataset cases across North Atlantic eastern Pacific seasons, providing...
Abstract This study focused on developing a consensus machine learning (CML) model for tropical cyclone (TC) intensity-change forecasting, especially rapid intensification (RI). CML was built upon selected classical models with the input data extracted from high-resolution hurricane model, Hurricane Weather Research and Forecasting (HWRF) system. The contained 21 or 34 RI-related predictors 2018 version of HWRF (H218). found that TC inner-core can be critical improving RI predictions,...
Abstract Development of accurate planetary boundary layer (PBL) parameterizations in high-wind conditions is crucial for improving tropical cyclone (TC) forecasts. Given that eddy-diffusivity mass-flux (EDMF)-type PBL schemes are designed nonhurricane layers, this study examines the uncertainty MF hurricane by performing three-dimensional idealized simulations. Results show surface-driven plays a dominant role nonlocal turbulent fluxes and comparable to magnitude downgradient momentum middle...