<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
        {font-family:DengXian;
        panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
        {font-family:"\@DengXian";
        panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        font-size:12.0pt;
        font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:#0563C1;
        text-decoration:underline;}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:"Calibri",sans-serif;
        color:windowtext;}
span.apple-converted-space
        {mso-style-name:apple-converted-space;}
.MsoChpDefault
        {mso-style-type:export-only;
        font-size:12.0pt;
        font-family:"Calibri",sans-serif;}
@page WordSection1
        {size:8.5in 11.0in;
        margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
        {page:WordSection1;}
/* List Definitions */
@list l0
        {mso-list-id:1938709183;
        mso-list-template-ids:623439176;}
@list l0:level1
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:.5in;
        mso-level-number-position:left;
        text-indent:-.25in;
        mso-ansi-font-size:10.0pt;
        font-family:Symbol;}
@list l0:level2
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:1.0in;
        mso-level-number-position:left;
        text-indent:-.25in;
        mso-ansi-font-size:10.0pt;
        font-family:Symbol;}
@list l0:level3
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:1.5in;
        mso-level-number-position:left;
        text-indent:-.25in;
        mso-ansi-font-size:10.0pt;
        font-family:Symbol;}
@list l0:level4
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:2.0in;
        mso-level-number-position:left;
        text-indent:-.25in;
        mso-ansi-font-size:10.0pt;
        font-family:Symbol;}
@list l0:level5
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:2.5in;
        mso-level-number-position:left;
        text-indent:-.25in;
        mso-ansi-font-size:10.0pt;
        font-family:Symbol;}
@list l0:level6
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:3.0in;
        mso-level-number-position:left;
        text-indent:-.25in;
        mso-ansi-font-size:10.0pt;
        font-family:Symbol;}
@list l0:level7
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:3.5in;
        mso-level-number-position:left;
        text-indent:-.25in;
        mso-ansi-font-size:10.0pt;
        font-family:Symbol;}
@list l0:level8
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:4.0in;
        mso-level-number-position:left;
        text-indent:-.25in;
        mso-ansi-font-size:10.0pt;
        font-family:Symbol;}
@list l0:level9
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:4.5in;
        mso-level-number-position:left;
        text-indent:-.25in;
        mso-ansi-font-size:10.0pt;
        font-family:Symbol;}
ol
        {margin-bottom:0in;}
ul
        {margin-bottom:0in;}
--></style>
</head>
<body lang="EN-US" link="#0563C1" vlink="#954F72" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal" style="margin-bottom:11.25pt;background:white"><span style="font-size:14.0pt;color:#555555">Dear Colleagues,</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:11.25pt;background:white;caret-color: rgb(0, 0, 0);font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;background-position:initial initial;background-repeat:initial initial;word-spacing:0px">
<span style="font-size:14.0pt;color:#555555">     We would like to invite you to the ISWAT Virtual  Meeting Series: G2a Atmosphere Variability on22-26 February 2021.</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:11.25pt;background:white;caret-color: rgb(0, 0, 0);font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;background-position:initial initial;background-repeat:initial initial;word-spacing:0px">
<span style="font-size:14.0pt;color:#555555">The Atmosphere Variability cluster is organizing a virtual meeting, one year after the ISWAT inaugural working meeting in Florida, to present progress made since and to discuss new actions and new collaborations.</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:11.25pt;background:white;caret-color: rgb(0, 0, 0);font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;background-position:initial initial;background-repeat:initial initial;word-spacing:0px">
<span style="font-size:14.0pt;color:#555555">The meeting will be organized in sessions of 2-3 hours duration per day. The 3 action teams will give updates, invited speakers will present recent developments pertaining to the G2a cluster, and we welcome contributions
 from all on topics that are on the cluster task list:</span><span style="color:black"><o:p></o:p></span></p>
<ul style="margin-top:0in;caret-color: rgb(0, 0, 0);font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;word-spacing:0px" type="disc">
<li class="MsoNormal" style="color:#555555;mso-list:l0 level1 lfo1;background:white;background-position:initial initial;background-repeat:initial initial">
<span style="font-size:14.0pt">Analysis, modeling, and prediction of the thermosphere</span><o:p></o:p></li><li class="MsoNormal" style="color:#555555;mso-list:l0 level1 lfo1;background:white;background-position:initial initial;background-repeat:initial initial">
<span style="font-size:14.0pt">Model assessment with standard score cards on CCMC</span><o:p></o:p></li><li class="MsoNormal" style="color:#555555;mso-list:l0 level1 lfo1;background:white;background-position:initial initial;background-repeat:initial initial">
<span style="font-size:14.0pt">Datasets for assimilation and assessment, and optimized exploitation (e.g., machine learning)</span><o:p></o:p></li><li class="MsoNormal" style="color:#555555;mso-list:l0 level1 lfo1;background:white;background-position:initial initial;background-repeat:initial initial">
<span style="font-size:14.0pt">Model drivers (solar EUV and geomagnetic activity measurements, wave activity from the lower atmosphere), and their forecast</span><o:p></o:p></li><li class="MsoNormal" style="color:#555555;mso-list:l0 level1 lfo1;background:white;background-position:initial initial;background-repeat:initial initial">
<span style="font-size:14.0pt">Satellite drag modeling (aerodynamic coefficient, shape model)</span><o:p></o:p></li><li class="MsoNormal" style="color:#555555;mso-list:l0 level1 lfo1;background:white;background-position:initial initial;background-repeat:initial initial">
<span style="font-size:14.0pt">Uncertainty assessment due to drag in orbit determination</span><o:p></o:p></li></ul>
<p class="MsoNormal" style="background:white;caret-color: rgb(0, 0, 0);font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;background-position:initial initial;background-repeat:initial initial;word-spacing:0px">
<span style="font-size:14.0pt;color:#555555">Registration is open at<span class="apple-converted-space"> </span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white;caret-color: rgb(0, 0, 0);font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;background-position:initial initial;background-repeat:initial initial;word-spacing:0px">
<span style="font-size:14.0pt;color:#555555"><a href="https://iswat-cospar.org/form/iswat-virtual-meeting-series-reg"><span style="color:#0563C1">https://iswat-cospar.org/form/iswat-virtual-meeting-series-reg</span></a><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:14.0pt;color:#555555"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white;caret-color: rgb(0, 0, 0);font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;background-position:initial initial;background-repeat:initial initial;word-spacing:0px">
<span style="font-size:14.0pt;color:#555555">Sean Bruinsma, Mehta Piyush and Jia Yue</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Research Scientist<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Space Weather Lab, Code: 674<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">NASA Goddard Space Flight Center, Greenbelt, MD, 20771<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Physics Department, Catholic University of America, DC<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><a href="https://science.gsfc.nasa.gov/sed/bio/jia.yue"><span style="color:#0563C1">https://science.gsfc.nasa.gov/sed/bio/jia.yue</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Office: 301-286-1070      Cell: 970-213-5715</span><o:p></o:p></p>
</div>
</body>
</html>