I'm pretty sure those are forecast hours. Despite the naming of that directory, I think forecasts are included along with the analyses (which I interpret to be the 000 hr forecasts).<br><br>Jeff Duda<br><br><div class="gmail_quote">
On Tue, Jun 29, 2010 at 2:48 PM, June Yeung <span dir="ltr"><<a href="mailto:jyeung@princeton.edu">jyeung@princeton.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Hi everyone,<br>
I am trying to download 13-km resolution Rapid Update Cycle (RUC)<br>
analysis fields from the NOMADS site, but I am a little confused about<br>
the file naming convention. For every hour, it seems that there are<br>
10-12 files (e.g., ruc2_130_20090808_0000_0##.grb2 where ## ranges from<br>
00 to 12). See this catalog, for instance:<br>
<a href="http://nomads.ncdc.noaa.gov/thredds/catalog/ruc13/200908/20090808/catalog.html" target="_blank">http://nomads.ncdc.noaa.gov/thredds/catalog/ruc13/200908/20090808/catalog.html</a><br>
I thought 13-km resolution RUC fields are available on an hourly scale?<br>
Is anyone experienced with these data sets, by chance, and can help me<br>
to interpret what the last 3 digits represent? Sorry if this is<br>
obvious. I tried to look up the documentation but couldn't find what I<br>
need.<br>
Thank you very much,<br>
June<br>
<br>
============<br>
<font color="#888888">June Yeung<br>
Graduate Student<br>
Department of Civil & Environmental Engineering<br>
Princeton University<br>
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</font></blockquote></div><br><br clear="all"><br>-- <br>Jeff Duda<br>Iowa State University<br>Meteorology Graduate Student<br>3134 Agronomy Hall<br><a href="http://www.meteor.iastate.edu/~jdduda">www.meteor.iastate.edu/~jdduda</a><br>