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<p class="MsoNormal">The Chapman conference on <i>Scientific Challenges Pertaining to Space Weather Forecasting Including Extremes</i> was held in Pasadena, CA on 12-15 February this year (<a href="https://connect.agu.org/aguchapmanconference/upcoming-chapmans/space-weather-forecasting">https://connect.agu.org/aguchapmanconference/upcoming-chapmans/space-weather-forecasting</a>
). The AGU Space Weather journal solicits a Special Collection of papers dedicated to the science of space weather forecasting. The goal of this special collection is to highlight original research results presented at the Chapman conference and other research
contributions that address topics relevant to space weather forecasting including extreme events. Recent years have brought significant new developments in modeling and observing capabilities, yet there remain considerable scientific challenges in transforming
these capabilities into reliable and consistent space weather forecasting capabilities. We welcome papers that showcase recent successes in forecasting of space weather phenomena within the complex Sun-Earth system and new insights that increase our understanding
of all aspects of space weather including extremes. To support the transformative nature of the Chapman conference, we encourage you to submit thought-provoking manuscripts. Papers can be submitted through the GEM (<a href="https://spaceweather-submit.agu.org/cgi-bin/main.plex">https://spaceweather-submit.agu.org/cgi-bin/main.plex</a>
). The special collection is due to close on 15 November 2019.<o:p></o:p></p>
<p class="Default"><span style="font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="Default"><span style="font-family:"Calibri",sans-serif">Guest Associate Editors of Space Weather<i>
</i>for the special collection are: <o:p></o:p></span></p>
<p class="Default"><span style="font-family:"Calibri",sans-serif">Olga Verkhoglyadova (JPL, USA), Xing Meng (JPL, USA), Tomoko Matsuo (UC Boulder, USA), Mamoru Ishii (NICT, Japan)
<o:p></o:p></span></p>
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<p class="Default"><span style="font-family:"Calibri",sans-serif">Please contact Olga Verkhoglyadova (</span><a href="mailto:Olga.Verkhoglyadova@jpl.nasa.gov"><span style="font-family:"Calibri",sans-serif">Olga.Verkhoglyadova@jpl.nasa.gov</span></a><span style="font-family:"Calibri",sans-serif">)
or any of the Guest Editors if you have questions.<o:p></o:p></span></p>
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