Effects of joint assimilation of FY-4A AGRI and ground-based microwave radiometer on heavy rainfall prediction

Y Shi, Z Luo, X Chen, Q Zhang, Y Liu… - Frontiers in Environmental …, 2023 - frontiersin.org
As the latest generation of Chinese Geostationary Weather Satellites, Fengyun-4 carries the
Advanced Geosynchronous Radiation Imager (AGRI), which has more spectral bands and …

Comparison of the performance of HYBRID ETKF-3DVAR and 3DVAR data assimilation scheme on the forecast of tropical cyclones formed over the Bay of Bengal

G Kutty, R Gogoi, V Rakesh, M Pateria - Journal of Earth System Science, 2020 - Springer
This study compares the performance of hybrid ensemble transform Kalman filter–three
dimensional variational data assimilation (HYBRID) system and three dimensional …

Impact of assimilating lidar water vapour and temperature profiles with a hybrid ensemble transform Kalman filter: Three‐dimensional variational analysis on the …

R Thundathil, T Schwitalla, A Behrendt… - Quarterly Journal of …, 2021 - Wiley Online Library
We discuss the analysis impact of the ensemble‐based assimilation of differential
absorption lidar observed water vapour and Raman lidar observed temperature profiles into …

Helicity evolution during the life cycle of tropical cyclones formed over the North Indian Ocean

A Munsi, AP Kesarkar, JN Bhate, VPM Rajasree… - Advances in Space …, 2023 - Elsevier
Tropical cyclones (TCs) are violent multiscale convections occurring in the atmosphere. The
destructive impact of the TCs is commensurate to the helicity associated with their evolution …

Impacts of Fengyun-4A and Ground-Based Observation Data Assimilation on the Forecast of Kaifeng's Heavy Rainfall (2022) and Mechanism Analysis of the Event

J Zhang, Z Gao, Y Li, Y Jiang - Remote Sensing, 2024 - mdpi.com
The advancement of Numerical Weather Prediction (NWP) is pivotal for enhancing high-
impact weather forecasting and warning systems. However, due to the high spatial and …

Appraisal of data assimilation techniques for dynamical downscaling of the structure and intensity of tropical cyclones

P Malakar, AP Kesarkar, J Bhate… - Earth and Space …, 2020 - Wiley Online Library
The dynamical downscaling technique is used for the understanding of physical
mechanisms associated with the atmospheric phenomena. We have developed high …

Impact of INSAT-3D satellite-derived wind in 3DVAR and hybrid ensemble-3DVAR data assimilation systems in the simulation of tropical cyclones over the Bay of …

RB Gogoi, G Kutty, A Borgohain - Modeling Earth Systems and …, 2022 - Springer
The present study examines the impact of assimilation of atmospheric motion vectors (AMV)
from the INSAT-3D satellite in two different data assimilation (DA) systems using the …

Improved skill of NCMRWF Unified Model (NCUM-G) in forecasting tropical cyclones over NIO during 2015–2019

S Kumar, A Dube, S Kumar, SI Rani, K Sharma… - Journal of Earth System …, 2022 - Springer
Operational forecasting of tropical cyclone (TC) track and intensity in the India
Meteorological Department (IMD) relies more and more on the numerical weather prediction …

Impact of a very severe cyclonic storm 'OCKHI'on the vertical structure of marine atmospheric boundary layer over the Arabian Sea

FP Paul, A TJ, R Ramachandran - Bulletin of Atmospheric Science and …, 2020 - Springer
Although considerable progress has been made in improving the early predictability of the
tropical cyclones, our knowledge of the vertical structure of the marine atmospheric …

[PDF][PDF] Atmospheric and Ocean characteristics associated with NIO tropical cyclones: a comprehensive review vis-à-vis the intensity and movement

J Panda, D Paul, A Routray, RK Giri - Depression (D), 2023 - imetsociety.org
This paper provides a comprehensive review of the characteristic features associated with
the North Indian Ocean (NIO) tropical cyclones (or TCs), with a primary focus on their …