Geomagnetic Storm of March 2015

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            <localID>StaticDatasetEntry_Geomagnetic_Storm_Of_March_2015</localID>
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            <creationDate>2025-07-08T12:17:00Z</creationDate>
            <lastModificationDate>2025-07-08T12:17:00Z</lastModificationDate>
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    <entryName>Geomagnetic Storm of March 2015</entryName>
    <entryDescription>The magnetic storm of March 2015, named the "St. Patrick&#8217;s day event" (17 March 2015) was the first superstorm of solar cycle 24, with a corresponding Dst index reaching as low as -234 nT.  It was a two-step storm; it's source can be traced back to the solar event on March 15 (a partial halo CME, associated with a C9 flare), while the second intensification was caused by the strong magnetic fields of the magnetic cloud that followed.</entryDescription>
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                    <gml:timePosition frame="#ISO-8601">2015-03-31T23:58:00Z</gml:timePosition>
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