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The effect of aerosol emissions on the properties and distribution of clouds is a large source of uncertainty in predictions of weather and climate. These aerosol-cloud interactions depend critically on the ability of aerosol particles to…

Atmospheric and Oceanic Physics · Physics 2022-10-31 Jesse C. Anderson , Payton Beeler , Mikhail Ovchinnikov , Will Cantrell , Steven Krueger , Raymond A. Shaw , Fan Yang , Laura Fierce

Aerosol interactions with clouds represent a significant uncertainty in our understanding of the Earth system. Deep convective clouds may respond to aerosol perturbations in several ways that have proven difficult to elucidate with…

In present models cloud based lightning forms as a consequence of the earth's gravitational and/or electromagnetic fields. Our simplified field-free model probes the random aggregation of a neutral ensemble consisting of a random…

Computational Physics · Physics 2018-07-03 M. Tsouchnika , M. Kanetidis , P. Argyrakis , R. Kopelman

Recent advances in AI-based weather forecasting models, such as FourCastNet, Pangu-Weather, and GraphCast, have demonstrated the remarkable ability of deep learning to emulate complex atmospheric dynamics. Building on this momentum, we…

Machine Learning · Computer Science 2025-08-13 Minjong Cheon

This study introduces and validates a cloud condensation model on insoluble nuclei using a novel comparative analysis of simultaneous radiosonde and ceilometer data. A transformation of the radiosonde's temperature and relative humidity…

Atmospheric and Oceanic Physics · Physics 2026-01-27 Rani Arielly , Adva Baratz , Ran Aharoni , Ofir Shoshanim

Cloud-aerosol interactions remain a major obstacle to understanding climate and severe weather. Observations suggest that aerosols enhance tropical thunderstorm activity; past research, motivated by the importance of understanding aerosol…

Atmospheric and Oceanic Physics · Physics 2021-02-02 Tristan H. Abbott , Timothy W. Cronin

Formation of a lightning within a cloud, between clouds and towards the earth is studied as an application of sociophysics. The three dimensional society is sky or cloud, which has members as electrically charged clouds (in sky) or patches…

Physics and Society · Physics 2007-05-23 Caglar Tuncay

{It is necessary to understand the dynamics of the atomic gas to use complex modeling and to carry out detailed comparisons between theoretical models and observations.}{In a companion paper, we present high resolution bidimensional…

Astrophysics · Physics 2007-05-23 P. Hennebelle , E. Audit , M. -A Miville-Deschenes

A multifactor parameterization is described to permit the efficient calculation of collision efficiency (E) between electrically charged aerosol particles and neutral cloud droplets in numerical cloud and climate models. The four parameter…

Atmospheric and Oceanic Physics · Physics 2015-10-28 S. N. Tripathi , S. Vishnoi , S. Kumar , R. G. Harrison

This study employs a high-resolution (10m) System for Atmospheric Modeling (SAM) coupled with the Spectral Bin Microphysical (SBM) scheme to thoroughly investigate the processes governing the evolution of aerosol properties within and…

Atmospheric and Oceanic Physics · Physics 2024-05-28 Yael Arieli , Alexander Khain , Ehud Gavze , Orit Altaratz , Eshkol Eytan , Ilan Koren

Key aerosol properties that shape climate -- such as CCN activity, scattering and absorption, and ice nucleation efficiency -- are difficult to infer from measurements that typically capture only a part of the aerosol state. We develop a…

Atmospheric and Oceanic Physics · Physics 2025-11-19 E. Saleh , S. Ghaffari , J. H. Curtis , L. Patel , P. A. Bosler , N. Riemer , M. West

We have performed three-dimensional thunderstorm real simulations using the two-moment and three-moment bulk microphysics schemes in the Weather Research and Forecasting (WRF) model. We have analyzed three cases to understand the potential…

Atmospheric and Oceanic Physics · Physics 2024-11-08 Chandrima Mallick , Ushnanshu Dutta , Moumita Bhowmik , Greeshma M. Mohan , Anupam Hazra , S. D. Pawar , Jen-Ping Chen

The representation of cloud processes in weather and climate models is crucial for their feedback on atmospheric flows. Since there is no general macroscopic theory of clouds, the parameterization of clouds in corresponding simulation…

Atmospheric and Oceanic Physics · Physics 2018-11-29 Nikolas Porz , Martin Hanke , Manuel Baumgartner , Peter Spichtinger

Turbulent mixing and entrainment at the boundary of a cloud is studied by means of direct numerical simulations that couple the Eulerian description of the turbulent velocity and water vapor fields with a Lagrangian ensemble of cloud water…

Fluid Dynamics · Physics 2013-10-14 Bipin Kumar , Joerg Schumacher , Raymond A. Shaw

The article is devoted to electromagnetic phenomena in the atmosphere. The set of experimental data on the thunderstorm activity is analyzed. It helps to identify a possible physical mechanism of lightning flashes. This mechanism can…

Plasma Physics · Physics 2024-02-07 S. N. Artekha , A. V. Belyan

Considering turbulence is crucial to understanding clouds. However, covering all scales involved in the turbulent mixing of clouds with their environment is computationally challenging, urging the development of simpler models to represent…

Sparse representations of atmospheric aerosols are needed for efficient regional- and global-scale chemical transport models. Here we introduce a new framework for representing aerosol distributions, based on the quadrature method of…

Atmospheric and Oceanic Physics · Physics 2018-03-14 Laura Fierce , Robert L. McGraw

Cloud droplets containing ice-nucleating particles (INPs) may freeze at temperatures above the homogeneous freezing threshold temperature. This process, referred to as immersion freezing, is one of the modulators of aerosol-cloud…

Cloudy atmospheres produce electric discharges, including lightning. Lightning, in turn, provides sufficient energy to break down air molecules into reactive species and thereby affects the atmospheric composition. The climate of tidally…

Earth and Planetary Astrophysics · Physics 2025-08-28 Denis E. Sergeev , James W. McDermott , Lottie Woods , Marrick Braam , Jake K. Eager-Nash , Ian A. Boutle

Using the adaptive mesh refinement code MG, we perform 3D hydrodynamic simulations of a supernova-cloud interaction in the "large cloud regime". The cloud is initially atomic and evolving due to the thermal instability (TI) and gravity. We…

Astrophysics of Galaxies · Physics 2022-05-16 M. M. Kupilas , J. M. Pittard , C. J. Wareing , S. A. E. G. Falle
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