Satellite-observed lightning hotspots in India and lightning variability over tropical South India

CK Unnikrishnan, S Pawar… - Advances in Space …, 2021 - Elsevier
Lightning characteristics in India are examined with satellite-based Lightning Imaging
Sensor (LIS) and ground-based Indian Lightning Detection Network (ILDN). LIS …

Latitudinal variation in summer monsoon rainfall over Western Ghat of India and its association with global sea surface temperatures

JV Revadekar, H Varikoden, PK Murumkar… - Science of the Total …, 2018 - Elsevier
Abstract The Western Ghats (WG) of India are basically north-south oriented mountains
having narrow zonal width with a steep rising western face. The summer monsoon winds …

Microphysical aspects of tropical rainfall during Bright Band events at mid and high-altitude regions over Southern Western Ghats, India

RK Sumesh, EA Resmi, CK Unnikrishnan, D Jash… - Atmospheric …, 2019 - Elsevier
This study aims to explore the microphysical processes involved in stratiform precipitation,
with in-situ observations carried out during Indian summer monsoon season of 2017, at two …

Role of MJO in modulating rainfall characteristics observed over India in all seasons utilizing TRMM

PC Anandh, NK Vissa… - International Journal of …, 2018 - Wiley Online Library
The present study aims to understand the influence of the Madden–Julian oscillation (MJO)
on the seasonal and diurnal characteristics (amplitude and phase) of rainfall over the Indian …

Spatiotemporal changes of lightning incidence and its relationship with dynamic and thermodynamic factors over a lightning prone tropical region

K Nandhulal, R Vishnu, TS Sreekanth, H Varikoden - Natural Hazards, 2024 - Springer
The study addresses the elevated occurrence of lightning activity and associated incidents
over Kerala, India, where the topography is complex. It aims to systematically investigate the …

Thermodynamic structure of monsoon boundary layer over the west coast of India

BL Sudeepkumar, CA Babu, H Varikoden - Atmospheric Research, 2021 - Elsevier
The study investigates thermodynamic structure of the atmospheric boundary layer (ABL)
over the west coast of India during the southwest monsoon season. Radiosonde profiles at …

Microphysical features of rain and rain events during different seasons over a tropical mountain location using an optical disdrometer

TS Sreekanth, H Varikoden, G Mohan Kumar… - Scientific Reports, 2019 - nature.com
In the present study, seven-year-long observations of rain microphysical properties are
presented using a ground-based disdrometer located at Braemore; a site on the windward …

Classification and seasonal distribution of rain types based on surface and radar observations over a tropical coastal station

TS Sreekanth, H Varikoden, EA Resmi, GM Kumar - Atmospheric Research, 2019 - Elsevier
An attempt has been made to classify stratiform and convective rain using an impact type
disdrometer at a tropical coastal site based on (Testud et al., 2001) method. Using this …

Microphysical characteristics of rainfall during different seasons over a coastal tropical station using disdrometer

TS Sreekanth, H Varikoden, N Sukumar… - Hydrological …, 2017 - Wiley Online Library
Drop size distribution (DSD) over the tropical region exhibit pronounced variations during
different monsoon seasons. Measurements from an impact type Joss–Waldovgel …

Thermodynamic and stability features of the atmospheric boundary layer over Kochi during different monsoon seasons based on radiosonde profiles

T Reshma, H Varikoden, R Vishnu - Journal of Atmospheric and Solar …, 2024 - Elsevier
The characteristics of thermodynamic parameters at different pressure levels have been
studied using radiosonde data for the period 1989–2019 during different seasons …