<div dir="ltr">Calculating RH using O2, PSFC & T2<div><br></div><div><div>vap = q2*psfc*0.01/(0.622+(0.378*q2))'</div><div>svap = 6.112*exp((17.67*(t2-273.15))/((t2-273.15)+243.5))'</div><div>rh = 100*(vap/svap)'</div></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jan 14, 2016 at 12:30 AM, <span dir="ltr"><<a href="mailto:wrf-users-request@ucar.edu" target="_blank">wrf-users-request@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Send Wrf-users mailing list submissions to<br>
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Today's Topics:<br>
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1. geogrid runs with warning (afwande juliet)<br>
2. How to calculate surface RH from wrfout file? (Sundar J)<br>
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Message: 1<br>
Date: Thu, 7 Jan 2016 11:06:10 +0300<br>
From: afwande juliet <<a href="mailto:afwandej965@gmail.com">afwandej965@gmail.com</a>><br>
Subject: [Wrf-users] geogrid runs with warning<br>
To: wrfhelp <<a href="mailto:wrfhelp@ucar.edu">wrfhelp@ucar.edu</a>>, wrf users group <<a href="mailto:wrf-users@ucar.edu">wrf-users@ucar.edu</a>><br>
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<<a href="mailto:CANVsOoi3JU_ySLUOyDdfHJ2KhM3p3hVDrYT8FvwL41fiqf9hWg@mail.gmail.com">CANVsOoi3JU_ySLUOyDdfHJ2KhM3p3hVDrYT8FvwL41fiqf9hWg@mail.gmail.com</a>><br>
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Happy new year all users<br>
I hope your new year is good. I am running wrf in new cluster .<br>
The geogrid.exe runs well with the below warning. How can I overcome this<br>
error? Does this error affect the accuracy of the model runs<br>
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!<br>
! Successful completion of geogrid. !<br>
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!<br>
Warning: ieee_inexact is signaling<br>
FORTRAN STOP<br>
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Message: 2<br>
Date: Sun, 10 Jan 2016 17:40:17 +0530<br>
From: Sundar J <<a href="mailto:wrf.guy@gmail.com">wrf.guy@gmail.com</a>><br>
Subject: [Wrf-users] How to calculate surface RH from wrfout file?<br>
To: <a href="mailto:wrf-users@ucar.edu">wrf-users@ucar.edu</a><br>
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<<a href="mailto:CACPYNfvko4BYnzqvA%2BPZY7pXY9r_GjUxGBnnmk2%2BaiN0c-U1Nw@mail.gmail.com">CACPYNfvko4BYnzqvA+PZY7pXY9r_GjUxGBnnmk2+aiN0c-U1Nw@mail.gmail.com</a>><br>
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Dear wrf-users,<br>
<br>
What is the formula used for calculating surface RH from wrfout file?<br>
<br>
I have already extracted 'Q2', 'PSFC' and 'T2' variables from wrfout file.<br>
I am just searching for a formula which an convert these parameters to RH<br>
value.<br>
<br>
I am using python to calculate this value.<br>
<br>
Regards<br>
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End of Wrf-users Digest, Vol 137, Issue 4<br>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div>With regards<br><br>Dr.R.Jagannathan <br>Professor & Former Dean<br>Tamil Nadu Agricultural University <br>Coimbatore - 641 003 India <br><br>PHONE: Mob: +91 94438 89891<br><br>DO NOT PRINT THIS E-MAIL UNLESS NECESSARY. THE ENVIRONMENT CONCERNS US ALL.</div></div></div>
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