The Geoeffective CMEs and Associated Interplanetary Parameters during Solar Cycle-24

Author(s)	Ms. Geeta Brithwal, Dr. Suman Garia
Country	India
Abstract	In our investigation, we have taken the disk halo geoeffective CME events and their attributes: speed and associated solar flare. Furthermore, we have taken the following associated interplanetary parameters: interplanetary magnetic field (IMF), proton temperature, proton density, plasma flow speed and flow pressure during solar cycle-24. We have noticed the maximum value of the above mentioned interplanetary parameters on the day of storms. We have tried to study the geoeffective disk halo CMEs and related interplanetary parameters in association with geomagnetic storms. We found from our study that there is a low anti-correlation of CMEs speed with Dst index as well as with CMEs travel time (TT). Disk halo CMEs are majorly associated with M- class flares. IMF, proton density and plasma flow pressure majorly gain their maximum value 1hr-20hr, 1hr-22hr and 1hr -18hr before of the storms, respectively. Plasma speed and proton temperature reach their maximum before as well as after the storm for 49.12% and 45.6% events, respectively.
Keywords	Coronal mass ejection, Interplanetary parameters, Geomagnetic storms
Field	Physics > Astronomy
Published In	Volume 7, Issue 6, November-December 2025
Published On	2025-12-05
DOI	https://doi.org/10.36948/ijfmr.2025.v07i06.60781

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