<div dir="ltr"><div>Dear all NCL users,</div><div>I tried to plot near-surface wind over dust concentration (from RegCM model)  but received errors from NCL. May I ask you to kindly advise me on how to remove those errors? The model outputs, script, and a screenshot of the error messages have been attached.</div><div>Many thanks in advance,</div><div>Best wishes,</div><div class="gmail_chip gmail_drive_chip" style="width:396px;height:18px;max-height:18px;background-color:rgb(245,245,245);padding:5px;color:rgb(34,34,34);font-family:arial;font-style:normal;font-weight:bold;font-size:13px;border:1px solid rgb(221,221,221);line-height:1"><a href="https://drive.google.com/file/d/1cJokoosDwXHcMTV9V-I26Bll2R7_zGBn/view?usp=drive_web" target="_blank" style="display:inline-block;max-width:366px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;padding:1px 0;border:none" aria-label="regcm.zip"><img style="vertical-align: bottom; border: none;" src="https://ssl.gstatic.com/docs/doclist/images/icon_10_generic_list.png"> <span dir="ltr" style="color:rgb(17,85,204);text-decoration:none;vertical-align:bottom">regcm.zip</span></a><img src="//ssl.gstatic.com/ui/v1/icons/common/x_8px.png" style="opacity: 0.55; cursor: pointer; float: right; position: relative; top: -1px; display: none;"></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">S.Rahimi<br><br></div></div>