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The geomagnetic Kp index is derived from the K index measurements obtained from thirteen stations located around the Earth geomagnetic latitudes between $48^\circ$ and $63^\circ$. This index is processed every three hours, is…

The accurate forecasting of geomagnetic activity is important. In this work, we present a novel multimodal Transformer based framework for predicting the 3 days and 5 days planetary Kp index by integrating heterogeneous data sources,…

Machine Learning · Computer Science 2025-04-01 Beibei Li

Geomagnetic storms (GS) occur when solar winds disrupt Earth's magnetosphere. GS can cause severe damages to satellites, power grids, and communication infrastructures. Estimate of direct economic impacts of a large scale GS exceeds $40…

Machine Learning · Computer Science 2024-01-22 Iris Yan

Predicting geomagnetic conditions based on in-situ solar wind observations allows us to evade disasters caused by large electromagnetic disturbances originating from the Sun to save lives and protect economic activity. In this study, we…

Space Physics · Physics 2022-10-12 Ryozo Kitajima , Motoharu Nowada , Ryotaro Kamimura

Coronal holes (CHs) are the source of high-speed streams (HSSs) in the solar wind, whose interaction with the slow solar wind creates corotating interaction regions (CIRs) in the heliosphere. Whenever the CIRs hit the Earth, they can cause…

Solar and Stellar Astrophysics · Physics 2023-01-18 Simona Nitti , Tatiana Podladchikova , Stefan J. Hofmeister , Astrid M. Veronig , Giuliana Verbanac , Mario Bandić

Many systems used by society are extremely vulnerable to space weather events such as solar flares and geomagnetic storms which could potentially cause catastrophic damage. In recent years, many works have emerged to provide early warning…

Machine Learning · Computer Science 2020-11-24 Charles Topliff , Morris Cohen , William Bristow

To understand the global-scale physical processes behind coronal mass ejection (CME)-driven geomagnetic storms and predict their intensity as a space weather forecasting measure, we develop an interplanetary CME flux rope-magnetosphere…

Solar and Stellar Astrophysics · Physics 2023-07-04 Souvik Roy , Dibyendu Nandy

Forecasting geomagnetic storms is highly important for many space weather applications. In this study we review performance of the geomagnetic storm forecasting service StormFocus during 2011--2016. The service was implemented in 2011 at…

Space Physics · Physics 2018-02-20 Tatiana Podladchikova , Anatoly Petrukovich , Yuri Yermolaev

Geomagnetic storms, disturbances of Earth's magnetosphere caused by masses of charged particles being emitted from the Sun, are an uncontrollable threat to modern technology. Notably, they have the potential to damage satellites and cause…

Machine Learning · Computer Science 2022-04-13 Kyle Domico , Ryan Sheatsley , Yohan Beugin , Quinn Burke , Patrick McDaniel

Records of Dst, Kp and Sym-H indexes are analyzed looking for evidences of possible precursors for magnetic storms. To accomplish this task the main magnetic storms were located and some periods immediately before storms and some periods…

Geophysics · Physics 2007-05-23 Vitor H. A. Dias , Jorge O. O. Franco , Andres R. R. Papa

Geomagnetic indices derived from ground magnetic measurements characterize the intensity of solar-terrestrial interaction. The \textit{Kp} index derived from multiple magnetic observatories at mid-latitude has commonly been used for space…

Using the reconstruction of power input to the magnetosphere given in Paper 1 (arXiv:1708.04904), we reconstruct annual means of geomagnetic indices over the past 400 years to within a 1-sigma error of +/-20 pc. In addition, we study the…

Earth and Planetary Astrophysics · Physics 2018-01-09 Mike Lockwood , Mathew J. Owens , Luke A. Barnard , Chris J. Scott , Clare E. Watt , Sarah Bentley

This study addresses the prediction of geomagnetic disturbances by exploiting machine learning techniques. Specifically, the Long-Short Term Memory recurrent neural network, which is particularly suited for application over long time…

Geomagnetic storms (GSTs) driven by solar wind-magnetosphere coupling can severely disrupt technological systems, motivating the need for improved prediction accuracy and longer warning times. In this study, we develop a physics-informed…

Solar and Stellar Astrophysics · Physics 2025-12-29 Zongyuan Ge , Chenwaner Zhang , Wei Zhou , Hongyu Zeng , Guiping Zhou

Solar radio flux along with geomagnetic indices are important indicators of solar activity and its effects. Extreme solar events such as flares and geomagnetic storms can negatively affect the space environment including satellites in…

Kp-Index is a very important factor for determining how the Sun's magnetic field is affecting the Earth's magnetic field and help us prepare for the worst (like solar or geomagnetic storms). Currently there are around thirteen observation…

Space Physics · Physics 2024-05-16 Ayushman Dash , Reena Monica P

The main objective of the study is to determine the probability distributions of the geomagnetic Dst index as a function of the coronal mass ejection (CME) and solar flare parameters for the purpose of establishing a probabilistic forecast…

Geomagnetic storms are large-scale disturbances of the Earth's magnetosphere driven by solar wind interactions, posing significant risks to space-based and ground-based infrastructure. The Disturbance Storm Time (Dst) index quantifies…

Computational Engineering, Finance, and Science · Computer Science 2025-04-28 Stefano Markidis , Jonah Ekelund , Luca Pennati , Andong Hu , Ivy Peng

A regression modeling method of space weather prediction is proposed. It allows forecasting Dst index up to 6 hours ahead with about 90% correlation. It can also be used for constructing phenomenological models of interaction between the…

Space Physics · Physics 2010-01-12 Aleksei Parnowski

The relationship between moderate and extremely high levels of geomagnetic activity, represented by the Kp index (2- to 5+ and 6- to 9), and solar wind conditions during southward IMF intervals was revealed utilizing a newly developed…

Space Physics · Physics 2025-09-03 Ryozo Kitajima , Motoharu Nowada , Ryotaro Kamimura
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