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Related papers: A Study of a Dryline Convective Downburst

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(Abridged) We use optical spectroscopy to investigate the disk, wind, and accretion during the 2008 ZCMa NW outburst. Over 1000 optical emission lines reveal accretion, a variable, multi-component wind, and double-peaked lines of disk…

Solar and Stellar Astrophysics · Physics 2020-10-28 A. Sicilia-Aguilar , J. Bouvier , C. Dougados , K. Grankin , J. -F. Donati

Prediction of power outages caused by convective storms which are highly localised in space and time is of crucial importance to power grid operators. We propose a new machine learning approach to predict the damage caused by storms. This…

Signal Processing · Electrical Eng. & Systems 2019-07-03 Roope Tervo , Joonas Karjalainen , Alexander Jung

Thunderstorm-driven power outages are difficult to predict because most storms do not cause damage, convective processes occur rapidly and chaotically, and the available public data are noisy and incomplete. Severe convective storms now…

Machine Learning · Computer Science 2026-01-08 Iryna Stanishevska , Seth Guikema

Recent observations of convection in the jovian atmosphere have demonstrated that convection is strongly concentrated at specific locations on planet. For instance, observations of lightning show that the cyclonic features (e.g,. belts and…

Earth and Planetary Astrophysics · Physics 2025-05-26 Ramanakumar Sankar , Michael H Wong , Csaba Palotai , Shawn Brueshaber

Three-dimensional special relativistic magnetohydrodynamic simulations are performed to investigate properties of the downstream turbulence generated by the interaction between a relativistic shock wave and multiple clumps. We analyze the…

High Energy Astrophysical Phenomena · Physics 2025-04-24 Kanji Morikawa , Yutaka Ohira , Takumi Ohmura

In this article we present examples of a wider study of space-time correlation of electron precipitation event of the Van Allen belts with the position and time of occurrence of strong (M>6.5) earthquakes. The study is based on the analysis…

Geophysics · Physics 2010-12-17 G. Anagnostopoulos , V. Rigas , E. Vassiliadis

Moist heatwaves and convective storms frequently co-occur, posing compound risks. Although historically concentrated in the tropics, these moist weather extremes are projected to intensify substantially towards the midlatitudes, with…

Atmospheric and Oceanic Physics · Physics 2026-04-07 Funing Li , Talia Tamarin-Brodsky

We present a detailed study of McNeil's nebula (V1647 Ori) in its ongoing outburst phase starting from September 2008 to March 2013. Our 124 nights of photometric observations were carried out in optical V, R, I and near-infrared J, H, K…

Solar and Stellar Astrophysics · Physics 2015-06-17 J. P. Ninan , D. K. Ojha , B. C. Bhatt , S. K. Ghosh , V. Mohan , K. K. Mallick , M. Tamura , Th. Henning

The environments of severe thunderstorms that produced hail were examined using 171 proximity soundings (2005-2024) archived in the 3rd Data Release of Project SWAP. These soundings were categorized based on their geographical occurrence…

Atmospheric and Oceanic Physics · Physics 2026-03-17 Generich H. Capuli

DXL (Diffuse X-rays from the Local Galaxy) is a sounding rocket mission designed to quantify and characterize the contribution of Solar Wind Charge eXchange (SWCX) to the Diffuse X-ray Background and study the properties of the Local Hot…

We report the observations of a moderate but relatively intense geo-effective solar eruption on 2015 November 4 from the peripheral diffusive polarities of active region 12443. We use space-borne Solar Dynamics Observatory and ACE…

Solar and Stellar Astrophysics · Physics 2018-08-22 Rui Wang , Ying D. Liu , Huidong Hu , Xiaowei Zhao

The conventional Ekman model of the tropical boundary layer neglects nonlinear momentum advection and breaks down near the equator, where Coriolis effects are weak. During South Asian monsoon onset, we identify a dynamical regime transition…

Atmospheric and Oceanic Physics · Physics 2026-03-10 Rajat Masiwal , Ashwin K Seshadri , Vishal Dixit

This paper addresses the challenges of an early flood warning caused by complex convective systems (CSs), by using Low-Earth Orbit and Geostationary satellite data. We focus on a sequence of extreme events that took place in central Vietnam…

Image and Video Processing · Electrical Eng. & Systems 2024-09-09 Tran-Vu La , Thanh Huy Nguyen , Patrick Matgen , Marco Chini

We study spectroscopic observations of chromospheric evaporation mass flows in comparison to the energy input by electron beams derived from hard X-ray data for the white-light M2.5 flare of 2006 July 6. The event was captured in high…

Solar and Stellar Astrophysics · Physics 2015-05-19 A. M. Veronig , J. Rybak , P. Gömöry , S. Berkebile-Stoiser , M. Temmer , W. Otruba , B. Vrsnak , W. Pötzi , D. Baumgartner

Microbursts are short duration intensifications in precipitating electron flux that are believed to be a significant contributor to electron losses in the magnetosphere. Microbursts have been observed in the form of bouncing electron…

High Energy Astrophysical Phenomena · Physics 2023-12-08 Wyatt Wetzel , John Sample , Eric Engel , Mykhaylo Shumko

Global climate models (GCMs), typically run at ~100-km resolution, capture large-scale environmental conditions but cannot resolve convection and cloud processes at kilometer scales. Convection-permitting models offer higher-resolution…

Atmospheric and Oceanic Physics · Physics 2026-05-12 Hungjui Yu , Lander Ver Hoef , Kristen L. Rasmussen , Imme Ebert-Uphoff

Recent testing and validation have found that the GOES microburst products are effective in the assessment and short-term forecasting of downburst potential and associated wind gust magnitude. Two products, the GOES sounder Microburst…

Atmospheric and Oceanic Physics · Physics 2010-03-05 Kenneth L. Pryor

Certain forms of solar wind transients contain significant enhancements of dynamic pressure and may effectively drive magnetosphere dynamics, including substorms and storms. An integral element of such driving is the generation of a wide…

The $24^{\circ}$ N jet borders the North Tropical Belt and North Tropical Zone, and is the fastest prograde jet on Jupiter, reaching speeds above $170$ m/s. In this region, observations have shown several periodic convective plumes, likely…

Earth and Planetary Astrophysics · Physics 2021-06-22 Ramanakumar Sankar , Chloe Klare , Csaba Palotai

We present the results of local, vertically stratified, radiation MHD shearing box simulations of MRI turbulence appropriate for the hydrogen ionizing regime of dwarf nova and soft X-ray transient outbursts. We incorporate the…

High Energy Astrophysical Phenomena · Physics 2014-04-29 Shigenobu Hirose , Omer Blaes , Julian H. Krolik , Matthew S. B. Coleman , Takayoshi Sano