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GOLD Observations of the Merging of the Southern Crest of the Equatorial Ionization Anomaly and Aurora During the 10 and 11 May 2024 Mother's Day Super Geomagnetic Storm

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dc.contributor.authorKaran, Deepak Kumaren
dc.contributor.authorMartinis, Carlos R.en
dc.contributor.authorDaniell, Robert E.en
dc.contributor.authorEastes, Richard W.en
dc.contributor.authorWang, Wenbinen
dc.contributor.authorMcClintock, William E.en
dc.contributor.authorMichell, Robert G.en
dc.contributor.authorEngland, Scott L.en
dc.date.accessioned2024-08-23T17:31:08Zen
dc.date.available2024-08-23T17:31:08Zen
dc.date.issued2024-08-09en
dc.description.abstractUsing NASA's Global‐scale Observations of the Limb and Disk (GOLD) imager, we report nightside ionospheric changes during the G5 super geomagnetic storm of 10 and 11 May 2024. Specifically, the nightside southern crest of the Equatorial Ionization Anomaly (EIA) was observed to merge with the aurora near the southern tip of South America. During the storm, the EIA southern crest was seen moving poleward as fast as 450 m/s. Furthermore, the aurora extended to mid‐latitudes reaching the southern tips of Africa and South America. The poleward shift of the equatorial ionospheric structure and equatorward motion of the aurora means there was no mid‐latitude ionosphere in this region. These observations offer unique insights into the ionospheric response to extreme geomagnetic disturbances, highlighting the complex interplay between solar activity and Earth's upper atmosphere.en
dc.description.sponsorshipThis research was supported by NASA contract 80GSFC18C0061 to the University of Colorado. CM acknowledges the support of NSF Aeronomy Grant 2152365. CM thanks the Director and personnel of SANSA (South African National Space Agency) for supporting the Sutherland all‐sky imager. CM thanks the Director of EARG (Estacion Astronomica Rio Grande) and Jose Luis Hormaechea for their continuing support of the Rio Grande ASI. The National Center for Atmospheric Research is Sponsored by the National Science Foundation.WWis also supported in part by the NASA award 80NSSC22M0163 and Grant 80NSSC20K0356.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationKaran, D. K., Martinis, C. R., Daniell, R. E., Eastes, R. W., Wang, W., McClintock, W. E., et al. (2024). GOLD observations of the merging of the Southern Crest of the equatorial ionization anomaly and aurora during the 10 and 11 May 2024 Mother's Day super geomagnetic storm. Geophysical Research Letters, 51, e2024GL110632. https://doi.org/10.1029/ 2024GL110632en
dc.identifier.doihttps://doi.org/10.1029/ 2024GL110632en
dc.identifier.urihttps://hdl.handle.net/10919/121000en
dc.identifier.volume51en
dc.language.isoenen
dc.publisherWileyen
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.titleGOLD Observations of the Merging of the Southern Crest of the Equatorial Ionization Anomaly and Aurora During the 10 and 11 May 2024 Mother's Day Super Geomagnetic Stormen
dc.title.serialGeophysical Research Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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