<div dir="ltr"><div><div><div><div>Aaron,<br></div>I guess my first question is why does your control file have only 5 VAR entries? I downloaded the same file and ran <a href="http://grib2ctl.pl">grib2ctl.pl</a> on it and the var list has 133 entries in the control file I got. Check your file size. On the NOMADS site the file has a size of 115 MB. If yours is substantially smaller, it could mean there was an error while downloading the file.<br><br></div>I don't generally use the file meso-eta-hi because I'm not sure what it means, but what's weird is the contents are identical to those in the nam directory, which I assume is 12 km NAM output.<br><br></div>Also, I see from your dset entry your file name is different than that on the NOMADS server. How and why did it get changed? It's possible if someone else had the file before you they may have manipulated it, and that may cause the trouble.<br><br></div>Jeff<br><div><div><div><br></div></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Apr 23, 2015 at 12:10 PM, Perry, Aaron <span dir="ltr"><<a href="mailto:Aaron.Perry@lsc.vsc.edu" target="_blank">Aaron.Perry@lsc.vsc.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Jeff,<br>
<br>
I'm currently using the data locating in the following directory:<br>
<br>
<a href="http://nomads.ncdc.noaa.gov/data/meso-eta-hi/201412/20141207/" target="_blank">http://nomads.ncdc.noaa.gov/data/meso-eta-hi/201412/20141207/</a><br>
<span class=""><br>
Aaron D. Perry<br>
Dept. of Atmospheric Sciences<br>
Class of 2016<br>
Lyndon State College<br>
Lyndonville, VT<br>
Twitter: @AaronPerryLSC<br>
Mobile: 617-780-4312<br>
Web: <a href="http://shearanalytics.net" target="_blank">shearanalytics.net</a><br>
Email: <a href="mailto:Aaron.Perry@lyndonstate.edu">Aaron.Perry@lyndonstate.edu</a><br>
<br>
________________________________________<br>
</span>From: <a href="mailto:gradsusr-bounces@gradsusr.org">gradsusr-bounces@gradsusr.org</a> [<a href="mailto:gradsusr-bounces@gradsusr.org">gradsusr-bounces@gradsusr.org</a>] on behalf of Jeff Duda [<a href="mailto:jeffduda319@gmail.com">jeffduda319@gmail.com</a>]<br>
Sent: Thursday, April 23, 2015 1:00 PM<br>
To: GrADS Users Forum<br>
Subject: Re: [gradsusr] GRIB-1/GrADS Diagnosis<br>
<span class=""><br>
Exactly which NAM data are you obtaining? Give a URL.<br>
<br>
</span><div><div class="h5">On Thu, Apr 23, 2015 at 11:11 AM, Perry, Aaron <<a href="mailto:Aaron.Perry@lsc.vsc.edu">Aaron.Perry@lsc.vsc.edu</a><mailto:<a href="mailto:Aaron.Perry@lsc.vsc.edu">Aaron.Perry@lsc.vsc.edu</a>>> wrote:<br>
<br>
Hi All,<br>
<br>
<br>
I'm currently having an issue with getting GRIB-1 data to be processed in GrADS. I'm using archived 12km NAM data from the NCDC NOMADS Server. I get the "Constant field. Value = 0" error...<br>
<br>
<br>
Below is the control file that I've created using grib2ctl:<br>
<br>
<br>
dset /mnt/homes/perrya/jaycasestudy/data/nam/nam12.2014120700.%f3.grb<br>
index /mnt/homes/perrya/jaycasestudy/data/nam/nam12.2014120700.000.grb.idx<br>
undef 9.999E+20<br>
title /mnt/homes/perrya/jaycasestudy/data/nam/nam12.2014120700.000.grb<br>
* produced by grib2ctl v0.9.13<br>
* command line options: -verf /mnt/homes/perrya/jaycasestudy/data/nam/nam12.2014120700.%f3.grb<br>
dtype grib 218<br>
options template<br>
pdef 614 428 lccr 12.190000 -133.459000 1 1 25.000000 25.000000 -95.000000 12191 12191<br>
xdef 614 linear -133.459000 0.113383763365335<br>
ydef 428 linear 12.190000 0.110827272727273<br>
tdef 29 linear 00Z07dec2014 3hr<br>
zdef 1 linear 1 1<br>
vars 5<br>
APCPsfc 0 61,1,0 ** surface Total precipitation [kg/m^2]<br>
PRMSLmsl 0 2,102,0 ** mean-sea level Pressure reduced to MSL [Pa]<br>
TMP2m 0 11,105,2 ** 2 m above ground Temp. [K]<br>
UGRD10m 0 33,105,10 ** 10 m above ground u wind [m/s]<br>
VGRD10m 0 34,105,10 ** 10 m above ground v wind [m/s]<br>
ENDVARS<br>
<br>
<br>
What am I doing wrong?<br>
<br>
Aaron D. Perry<br>
Dept. of Atmospheric Sciences<br>
Class of 2016<br>
Lyndon State College<br>
Lyndonville, VT<br>
</div></div>Twitter: <<a href="https://twitter.com/AaronPerryLSC" target="_blank">https://twitter.com/AaronPerryLSC</a>> <<a href="https://www.twitter.com/AaronPerryLSC" target="_blank">https://www.twitter.com/AaronPerryLSC</a>> @AaronPerryLSC<<a href="https://twitter.com/AaronPerryLSC" target="_blank">https://twitter.com/AaronPerryLSC</a>><br>
Mobile: 617-780-4312<br>
Web: <a href="http://shearanalytics.net" target="_blank">shearanalytics.net</a><<a href="http://shearanalytics.net/" target="_blank">http://shearanalytics.net/</a>><br>
Email: <a href="mailto:Aaron.Perry@lyndonstate.edu">Aaron.Perry@lyndonstate.edu</a><<a href="http://Aaron.Perry@lyndonstate.edu" target="_blank">http://Aaron.Perry@lyndonstate.edu</a>><br>
<br>
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<br>
<br>
<br>
<br>
--<br>
Jeff Duda<br>
Graduate research assistant<br>
University of Oklahoma School of Meteorology<br>
Center for Analysis and Prediction of Storms<br>
<br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature">Jeff Duda<br>Graduate research assistant<br>University of Oklahoma School of Meteorology<br>Center for Analysis and Prediction of Storms<br></div>
</div>