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Dear Colleagues, </p>
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<font color="#242424" face="Helvetica Neue"><span style="font-size: 15px;">We invite submissions to the <span data-markjs="true" class="markexmgit71q" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="border: 0px; font-variant-caps: inherit; font-stretch: inherit; line-height: inherit; font-size-adjust: inherit; font-kerning: inherit; font-variant-alternates: inherit; font-variant-ligatures: inherit; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-position: inherit; font-feature-settings: inherit; font-optical-sizing: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px;">special</span> <span data-markjs="true" class="markgb2bgze0v" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="border: 0px; font-variant-caps: inherit; font-stretch: inherit; line-height: inherit; font-size-adjust: inherit; font-kerning: inherit; font-variant-alternates: inherit; font-variant-ligatures: inherit; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-position: inherit; font-feature-settings: inherit; font-optical-sizing: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px;">issue</span> on
 "<b>Impacts of the Extreme Gannon Geomagnetic Storm of May 2024 throughout the Magnetosphere-Ionosphere-Thermosphere System</b><span style="border: 0px; font-variant-caps: inherit; font-stretch: inherit; line-height: inherit; font-size-adjust: inherit; font-kerning: inherit; font-variant-alternates: inherit; font-variant-ligatures: inherit; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-position: inherit; font-feature-settings: inherit; font-optical-sizing: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px;">”: </span><a shash="LVaJe4swDN9JWYLMyD7bCP3+xFwWvfKFTtBoh8zY2RNhwbP25mGHw4nqOuFM4vJtuyKUNqDxWCXqzP6wljjh94Bepxh7Fimc99rEscDEa4OMmJogdPvW04n/v2ZhV5Y9ZyDRcHp5sqWddrHJgWM24FPA4/UAtsaMkycS9oN61Lg=" originalsrc="https://www.frontiersin.org/research-topics/65596/impacts-of-the-extreme-gannon-geomagnetic-storm-of-may-2024-throughout-the-magnetosphere-ionosphere-thermosphere-system" data-auth="Verified" rel="noopener noreferrer" target="_blank" href="https://www.frontiersin.org/research-topics/65596/impacts-of-the-extreme-gannon-geomagnetic-storm-of-may-2024-throughout-the-magnetosphere-ionosphere-thermosphere-system" title="Original URL: https://www.frontiersin.org/research-topics/65596/impacts-of-the-extreme-gannon-geomagnetic-storm-of-may-2024-throughout-the-magnetosphere-ionosphere-thermosphere-system. Click or tap if you trust this link." data-linkindex="0" style="border: 0px; font-variant-caps: inherit; font-stretch: inherit; line-height: inherit; font-size-adjust: inherit; font-kerning: inherit; font-variant-alternates: inherit; font-variant-ligatures: inherit; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-position: inherit; font-feature-settings: inherit; font-optical-sizing: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px;">https://www.<span data-markjs="true" class="markpyiirhxu9" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="border: 0px; font-variant-caps: inherit; font-stretch: inherit; line-height: inherit; font-size-adjust: inherit; font-kerning: inherit; font-variant-alternates: inherit; font-variant-ligatures: inherit; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-position: inherit; font-feature-settings: inherit; font-optical-sizing: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px;">frontiers</span>in.org/research-topics/65596/impacts-of-the-extreme-gannon-geomagnetic-storm-of-may-2024-throughout-the-magnetosphere-ionosphere-thermosphere-system</a> </span></font></div>
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<font color="#242424" face="Helvetica Neue"><span style="font-size: 15px;">We seek to advance our understanding of extreme geomagnetic storms and collect relevant papers in one place. The May 2024 storm provides an exemplary event. The remit of the <span data-markjs="true" class="markexmgit71q" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="border: 0px; font-variant-caps: inherit; font-stretch: inherit; line-height: inherit; font-size-adjust: inherit; font-kerning: inherit; font-variant-alternates: inherit; font-variant-ligatures: inherit; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-position: inherit; font-feature-settings: inherit; font-optical-sizing: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px;">special</span> <span data-markjs="true" class="markgb2bgze0v" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="border: 0px; font-variant-caps: inherit; font-stretch: inherit; line-height: inherit; font-size-adjust: inherit; font-kerning: inherit; font-variant-alternates: inherit; font-variant-ligatures: inherit; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-position: inherit; font-feature-settings: inherit; font-optical-sizing: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px;">issue</span> is
 thus fairly broad to cover a large range of topics:</span></font></div>
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<span style="font-kerning: none; font-size: 15px;"><font color="#242424" face="Helvetica Neue">- solar activity, including the active regions that generated the solar flares and CMEs</font></span></p>
<p style="margin: 0px; font-variant-caps: normal; font-stretch: normal; line-height: normal; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">
<span style="font-kerning: none; font-size: 15px;"><font color="#242424" face="Helvetica Neue">- solar wind, IMF, and energetic particle observations near the Sun, at 1 AU, and beyond</font></span></p>
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<span style="font-kerning: none; font-size: 15px;"><font color="#242424" face="Helvetica Neue">- inner magnetosphere response: radiation belts, plasma populations, and magnetic field at geosynchronous distance</font></span></p>
<p style="margin: 0px; font-variant-caps: normal; font-stretch: normal; line-height: normal; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">
<span style="font-kerning: none; font-size: 15px;"><font color="#242424" face="Helvetica Neue">- ionospheric response: plasma bubble, ionospheric irregularities, and impacts on Global Navigation Satellite System (GNSS)</font></span></p>
<p style="margin: 0px; font-variant-caps: normal; font-stretch: normal; line-height: normal; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal;">
<span style="font-kerning: none; font-size: 15px;"><font color="#242424" face="Helvetica Neue">- thermospheric response: satellite orbital drag at low-Earth orbit</font></span></p>
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<span style="font-kerning: none; font-size: 15px;"><font color="#242424" face="Helvetica Neue">- auroral observations around the world (optical instruments and naked eye) </font></span></p>
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<span style="font-kerning: none; font-size: 15px;"><font color="#242424" face="Helvetica Neue">- ground magnetic field response, effects on technologies and observations of Geomagnetically Induced Currents (GICs).</font></span></p>
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<span style="font-kerning: none; font-size: 15px;"><font color="#242424" face="Helvetica Neue">We encourage submissions that compare many local/global events in May 2024 with historical events (e.g., March 1989, the Halloween events of 2003, St. Patrick’s Day
 storms of 2013 and 2015). We also encourage studies focusing on the interaction of the main CME with other planets and solar wind bodies (moons) and other regions of the heliosphere. Contributions focusing on simulation studies are also encouraged. Finally,
 we encourage submissions with focus on predictions of extreme geomagnetic storms for the remaining period of solar cycle 25 and beyond. Thus, the main goal of this Research Topic is to advance our understanding of extreme geomagnetic storms including the comparison
 of the May 2004 storm with other historical events.</font></span></p>
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<span style="font-kerning: none; font-size: 15px;"><font color="#242424" face="Helvetica Neue">We wish to name that event as the Extreme Gannon Geomagnetic Storm of May 2024 after Dr. Jennifer Gannon, who unfortunately passed away a week before the event. This
 Research Topic is also a tribute to the life and work of Jenn, who made significant contributions to the field of space science and space weather in her regrettably abbreviated career.</font></span></p>
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<font color="#242424" face="Helvetica Neue"><span style="font-size: 15px;">The submission deadline is 28th February, but we aim to publish relevant research much quicker. The submission page is open now.</span></font></div>
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<font color="#242424" face="Helvetica Neue"><span style="font-size: 15px;">Please get in touch if you would like to discuss your submission. </span></font></div>
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<font color="#242424" face="Helvetica Neue"><span style="font-size: 15px;">Many Thanks,</span></font></div>
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<font color="#242424" face="Helvetica Neue"><span style="font-size: 15px;">Maria on behalf of the editors: </span></font></div>
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<font color="#242424" face="Helvetica Neue"><span style="font-size: 15px;">Denny Oliveira; Mirko Piersanti; <span style="border: 0px; font-variant-caps: inherit; font-stretch: inherit; line-height: inherit; font-size-adjust: inherit; font-kerning: inherit; font-variant-alternates: inherit; font-variant-ligatures: inherit; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-position: inherit; font-feature-settings: inherit; font-optical-sizing: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px;">Lívia
 Alves; W Kent Tobiska; Xochitl Blanco-Cano; </span><span style="border: 0px; font-variant-caps: inherit; font-stretch: inherit; line-height: inherit; font-size-adjust: inherit; font-kerning: inherit; font-variant-alternates: inherit; font-variant-ligatures: inherit; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-position: inherit; font-feature-settings: inherit; font-optical-sizing: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px;">Katariina
 Nykyri; Maria-Theresia Walach</span></span></font></div>
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