<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">I was beginning to wonder if that was the case, thanks Jeff.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On 25 February 2016 at 16:50, Jeff Duda <span dir="ltr"><<a href="mailto:jeffduda319@gmail.com" target="_blank">jeffduda319@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Daniel,<br>This is a WRF issue, not a grads issue. If you want to see swaths, you need to integrate the model field over individual time steps, something you'd have to alter the WRF code to do. If you just want maximum updraft helicity between history intervals, however, the AFWA diagnostics package can help you with that. It's set in the namelist.<br><br></div>Jeff Duda<br></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Thu, Feb 25, 2016 at 6:17 AM, Daniel Nairn <span dir="ltr"><<a href="mailto:dannairn@gmail.com" target="_blank">dannairn@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">Hi</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">I'm wondering if its possible for Grads to produce cumulative output for some WRF variables that are usually plotted hourly...for example, if I wanted to plot updraft helicity in a cumulative fashion, rather than an hour by hour approach, so the images produced show updraft 'tracks'.</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">I've tried using sum and looping but I can't seem to get this to work how I was expecting. Does anybody know how to achieve this?</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"><br></div></div>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><br>-- <br><div>Jeff Duda<br>Graduate research assistant<br>University of Oklahoma School of Meteorology<br>Center for Analysis and Prediction of Storms<br></div>
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