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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have submitted this issue to <a href="mailto:wrfhelp@ucar.edu">wrfhelp@ucar.edu</a>. But I thought I would try here to see if any grads users have run into the problem below using ARWpost.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>For both ARWpost v2.2 and 3.1, the interp_method = 1 is not produce .ctl and .dat files on the specified pressure levels for WRF/Chem v3.3.1 output. However interp_method = 1 prints the .ctl and .dat on the specified pressure levels with WRF/Chem v3.2.1 data. I have no choice but to use WRF/Chem v 3.3.1 for my research because the pre-processing emissions software for WRF/Chem includes a mercator projection that only works with v3.3.1 and not wit v3.2.<br><br><i><br>For example even with interp_method = 1 with WRF/Chem v3.3.1 output:</i><br><br>I get this message first<br><br>START PROCESSING DATA<br> <br> WARNING --- I do not recognize this data.<br> OUTPUT FROM * PROGRAM:WRF/CHEM V3.3.1 MODEL<br> Will make an attempt to read it.<br><br>Then it just prints out the model levels<br><br> 16.19018<br> 16.38956<br> 16.58874<br> 16.78770<br>zdef 24 linear 1 1<br>tdef 13 linear 00Z20MAY2006 60MN<br>VARS 5<br>no2 24 0 NO2 concentration (ppmv)<br>no 24 0 NO concentration (ppmv)<br>o3 24 0 O3 concentration (ppmv)<br>hno3 24 0 HNO3 concentration (ppmv)<br>co 24 0 CO concentration (ppmv)<br><br><i>However with the v3.2 or v3.2.1, I do not get the messages and the data is printed on the specified pressure levels:</i><br><br> 225.00000<br> 200.00000<br> 175.00000<br> 150.00000<br> 125.00000<br> 100.00000<br>tdef 13 linear 01Z30MAY2006 60MN<br>VARS 8<br>no2 36 0 NO2 concentration (ppmv)<br>no 36 0 NO concentration (ppmv)<br>o3 36 0 O3 concentration (ppmv)<br>hno3 36 0 HNO3 concentration (ppmv)<br>co 36 0 CO concentration (ppmv)<br>tc 36 0 Temperature (C)<br>dbz 36 0 Reflectivity (-)<br>max_dbz 1 0 Max Reflectivity (-)<br><br><br>Thanks<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:12.0pt'>Jonathan Wynn Smith, Ph. D.<o:p></o:p></span></b></p><p class=MsoNormal><u>jonathan.smith@nasa.gov<o:p></o:p></u></p><p class=MsoNormal>NASA-Goddard Space Flight Center<o:p></o:p></p><p class=MsoNormal>Code 614-Atmospheric Chemistry and Dynamics Branch <o:p></o:p></p><p class=MsoNormal>Greenbelt, MD 20771<o:p></o:p></p><p class=MsoNormal>301-614-5956<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>