Evan and Chris,
Thanks for the responses,
I checked our conversion script and we are using dcgrib2 to make the
gempak files. Strangely I ran the GDINFO and the SWEM data appears to be
there now. We recently upgraded the WRF, so maybe the problem was fixed
in the upgrade. I know the SWEM data was not there when I attempted to
make some snow graphics a month ago, so the problem may have resolved
itself. I'll give it another try the next few days and see if I can get
things to work.
Thanks again!
Jeremy Martin
WFO GLD
Evan Lowery wrote:
Hi Jeremy,
When running GDINFO, do you have similar settings:
GDFILE = gfs_file.grd
LSTALL = YES
OUTPUT = T
GDATTIM = all
GLEVEL = all
GVCORD = all
GFUNC = all
Sometimes if you only limit to a certain level/cord/func you may be missing
the variables you're looking for. In GFS files, categorical snow [0,1] is
"WXTS" and surface accumulated snowfall [kg/m^2] is "SWEM". I imagine they
are similar in WRF grid files.
255 090924/0000F006 0 NONE SWEM
262 090924/0000F006 0 NONE WXTS06
Regards,
Evan Lowery
Business Applications Meteorologist
Weather Trends International, Inc.
Phone 610-807-3197
http://www.wxtrends.com
-----Original Message-----
From: gembud-bounces@xxxxxxxxxxxxxxxx
[mailto:gembud-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Jeremy.Martin@xxxxxxxx
Sent: Thursday, September 24, 2009 4:50 PM
To: gembud@xxxxxxxxxxxxxxxx
Subject: [gembud] Accumulated Snowfall question
List,
We are running a EMS WRF here at the Goodland WFO and I have been trying to
plot accumulated snowfall for some of our GEMPAK derived web graphics. We
are gonfigured to output this field in GRIB format, and looking at the data
in IDV confirms that this field is being created. When I run a GDINFO on the
gempak grid there is no snowfall data listed. I am fairly new to using
GEMPAK, Is there something I have to configure so this data is converted
into GEMPAK format?
Thanks!
Jeremy Martin
WFO Goodland KS
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