<div dir="ltr">Try this:<div><br></div><div><div>'set lev 850'</div><div>'define vapprs = 6.11*pow(10,((7.5*(DPTprs-273.15))/(237.7+(DPTprs-273.15))))'</div><div>'define mixr = 0.62197*(vapprs/(lev-vapprs))*1000'</div></div><div><br></div><div>DPTprs is Dewpoint on pressure levels.</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><b>-------</b></div><b>William (L.B.) LaForce<br></b>Meteorologist<div><a href="http://www.tornadoinsanity.com" target="_blank">www.tornadoinsanity.com</a></div></div></div></div>
<br><div class="gmail_quote">On Sun, Sep 27, 2015 at 4:27 AM, Daniel Nairn <span dir="ltr"><<a href="mailto:dannairn@gmail.com" target="_blank">dannairn@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 class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Hello</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">I've been searching for an example script to display the mixing ratio at 850mb as I'm unsure how to calculate this myself. Would anybody have a working example they would be willing to share or know the correct formula to calculate this?</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Thanks</div></div>
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