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The disturbance storm time (Dst) index is an important and useful measurement in space weather research. It has been used to characterize the size and intensity of a geomagnetic storm. A negative Dst value means that the Earth's magnetic…

Machine Learning · Computer Science 2022-05-06 Yasser Abduallah , Jason T. L. Wang , Prianka Bose , Genwei Zhang , Firas Gerges , Haimin Wang

We present a new model for the probability that the Disturbance storm time (Dst) index exceeds -100 nT, with a lead time between 1 and 3 days. $Dst$ provides essential information about the strength of the ring current around the Earth…

Space Physics · Physics 2022-09-07 A. Hu , C. Shneider , A. Tiwari , E. Camporeale

Models based on neural networks and machine learning are seeing a rise in popularity in space physics. In particular, the forecasting of geomagnetic indices with neural network models is becoming a popular field of study. These models are…

Machine Learning · Computer Science 2022-03-15 Brecht Laperre , Jorge Amaya , Giovanni Lapenta

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

Geomagnetic storms resulting from high-speed streams can have significant negative impacts on modern infrastructure due to complex interactions between the solar wind and geomagnetic field. One measure of the extent of this effect is the…

Solar and Stellar Astrophysics · Physics 2020-05-04 R. L. Bailey , C. Möstl , M. A. Reiss , A. J. Weiss , U. V. Amerstorfer , T. Amerstorfer , J. Hinterreiter , W. Magnes , R. Leonhardt

Geomagnetic storms, caused by solar wind energy transfer to Earth's magnetic field, can disrupt critical infrastructure like GPS, satellite communications, and power grids. The disturbance storm-time (Dst) index measures storm intensity.…

Artificial Intelligence · Computer Science 2025-10-17 Md Abrar Jahin , M. F. Mridha , Zeyar Aung , Nilanjan Dey , R. Simon Sherratt

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

Long-term forecasting of multivariate urban data poses a significant challenge due to the complex spatiotemporal dependencies inherent in such datasets. This paper presents DST, a novel multivariate time-series forecasting model that…

Machine Learning · Computer Science 2025-08-28 Amirhossein Sohrabbeig , Omid Ardakanian , Petr Musilek

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

Technical analysis is considered the oldest, currently omnipresent, method for financial markets analysis, which uses past prices aiming at the possible short-term forecast of future prices. In the frame of complex systems, methods used to…

Data Analysis, Statistics and Probability · Physics 2021-06-02 Stelios M. Potirakis , Pavlos I. Zitis , Georgios Balasis , Konstantinos Eftaxias

Accurate short-term forecasting of air temperature and relative humidity is critical for urban management, especially in topographically complex cities such as Chongqing, China. This study compares seven machine learning models: eXtreme…

Machine Learning · Computer Science 2026-03-25 Jiaqi Dong

Magnetic storms constitute the most remarkable large-scale phenomena of nonlinear magnetospheric dynamics. Studying the dynamical organization of macroscopic variability in terms of geomagnetic activity index data by means of complexity…

This paper develops a new method for voltage instability prediction using a recurrent neural network with long short-term memory. The method is aimed to be used as a supplementary warning system for system operators, capable of assessing…

Systems and Control · Electrical Eng. & Systems 2019-08-16 Hannes Hagmar , Lang Tong , Robert Eriksson , Le Anh Tuan

The accurate wind speed series forecast is very pivotal to security of grid dispatching and the application of wind power. Nevertheless, on account of their nonlinear and non-stationary nature, their short-term forecast is extremely…

Machine Learning · Computer Science 2024-04-23 Haojian Huang

Continuous stress forecasting could potentially contribute to lifestyle interventions. This paper presents a novel, explainable, and individualized approach for stress prediction using physiological data from consumer-grade smartwatches. We…

Machine Learning · Computer Science 2026-02-24 Xueyi Wang , Claudine J. C. Lamoth , Elisabeth Wilhelm

We present geomagnetic storms (GSs) selected from three solar cycles, spanning the years 1995 to 2022. We studied the development of the main phase of storms within disturbance storm time (Dst) amplitudes ranging from Dst =-64 nT to Dst=-…

Solar and Stellar Astrophysics · Physics 2024-02-07 Osman M. Ahmed , Badruudin Zaheer Ahmad , Moncef Derouich

The increasing demand of large scale wind integration in the conventional power system brings a lot of challenges. One of them is the stability of the power system when subjected to a large disturbance, such as a fault. This paper proposes…

Systems and Control · Electrical Eng. & Systems 2022-05-10 Umair Shahzad

What one commonly considers for reproducing the recovery phase of magnetosphere, as seen by the Dst index, is exponential function. However, the magnetosphere recovers faster in the first hours than in the late recovery phase. The early…

Earth and Planetary Astrophysics · Physics 2014-05-21 J. Aguado , C. Cid , E. Saiz , Y. Cerrato

Stress tracing is an important research domain that supports many applications, such as health care and stress management; and its closest related works are derived from stress detection. However, these existing works cannot well address…

Human-Computer Interaction · Computer Science 2024-10-15 Jia Xu , Teng Xiao , Pin Lv , Zhe Chen , Chao Cai , Yang Zhang , Zehui Xiong

The prediction of high-resolution hourly traffic volumes of a given roadway is essential for transportation planning. Traditionally, Automatic Traffic Recorders (ATR) are used to collect this hourly volume data. These large datasets are…

Applications · Statistics 2019-09-26 MD Zadid Khan , Sakib Mahmud Khan , Mashrur Chowdhury , Kakan Dey
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