<div dir="ltr"><div><span id="gmail-docs-internal-guid-79804c79-7fff-1cfc-f87a-cf0187215c12"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:21pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">CEDAR 2026 Grand Challenge Workshop: Pathways to Improved Space Weather Predictability </span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">Thank you for joining us this year at the CEDAR Workshop in-person in Des Moines, IA or online as we kicked off the joint </span><a href="https://ncarprojects.ucar.edu/predictability" style="text-decoration:none"><span style="font-size:12pt;font-family:Calibri,sans-serif;background-color:transparent;font-variant:normal;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap">ESPAT</span></a><span style="font-size:12pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">/</span><a href="https://cedarscience.org/" style="text-decoration:none"><span style="font-size:12pt;font-family:Calibri,sans-serif;background-color:transparent;font-variant:normal;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap">CEDAR </span></a><span style="font-size:12pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">Grand Challenge </span><span style="font-size:12pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:700;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">“</span><span style="font-size:11pt;font-family:Poppins,sans-serif;color:rgb(42,42,42);background-color:transparent;font-weight:700;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">Cross-Scale Coupling and Variability in the Upper Atmosphere and Ionosphere: Pathways to Improved Space Weather Predictability”.  </span><span style="font-size:11pt;font-family:Poppins,sans-serif;color:rgb(42,42,42);background-color:transparent;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">We appreciated everyone who participated in the different session format this year! </span></p><br><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Poppins,sans-serif;color:rgb(42,42,42);background-color:transparent;font-weight:700;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">Next steps: </span><span style="font-size:11pt;font-family:Poppins,sans-serif;color:rgb(42,42,42);background-color:transparent;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">In the coming weeks, we will be synthesizing the input we collected at the CEDAR workshop and will be in touch with a questionnaire to ask who from the CEDAR community is interested in taking part in the Grand Challenge working groups! All interested in joining the effort are welcome. </span></p><br><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12pt;font-family:Calibri,sans-serif;color:rgb(0,0,0);background-color:transparent;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">Please don’t hesitate to reach out with any questions in the meantime.</span></p><br><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Poppins,sans-serif;color:rgb(42,42,42);background-color:transparent;font-weight:700;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">For more details on this grand challenge please refer to the attached slides from the Plenary session. </span></p><br><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Poppins,sans-serif;color:rgb(42,42,42);background-color:transparent;font-weight:700;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">Session Conveners: </span><span style="font-size:11pt;font-family:Poppins,sans-serif;color:rgb(42,42,42);background-color:transparent;font-variant:normal;vertical-align:baseline;white-space:pre-wrap">Jadwiga Richter, Soudeh Kamali, Hanli Liu, Liying Qian, Hui Shao, Xian Lu, Tomoko Matsuo, Federico Gasperini, Anastasia Newheart, Jorge (Koki) Chau.</span></p></span></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div><pre cols="72" style="white-space:pre-wrap"><font size="1"><pre cols="72" style="white-space:pre-wrap"><br></pre></font></pre></div><div><br></div></div></div></div></div></div>