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<p style="margin: 0px 0px 1em; padding: 0px; border: 0px; font-size:
14px; vertical-align: baseline; clear: both; color: rgb(0, 0, 0);
font-family: Arial, 'Liberation Sans', 'DejaVu Sans', sans-serif;
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letter-spacing: normal; line-height: 17.8048000335693px; orphans:
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white-space: normal; widows: auto; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background: rgb(255, 255, 255);">Dear
subscriber, <br>
<br>
I downloaded data from the american gfs weather modell (from <a
href="ftp://ftp.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.2014101812/master"
rel="nofollow" style="margin: 0px; padding: 0px; border: 0px;
font-size: 14px; vertical-align: baseline; color: rgb(74, 107,
130); text-decoration: none; cursor: pointer; background:
transparent;">ftp://ftp.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.2014101812/master</a>,
edit date if you read more than 1 month later). <br>
</p>
<p style="margin: 0px 0px 1em; padding: 0px; border: 0px; font-size:
14px; vertical-align: baseline; clear: both; color: rgb(0, 0, 0);
font-family: Arial, 'Liberation Sans', 'DejaVu Sans', sans-serif;
font-style: normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: 17.8048000335693px; orphans:
auto; text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: auto; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background: rgb(255, 255, 255);">I
am using grads to plot data and it works fine if I plot data from
1 timestep (=1 file) on a map. So my first try was to open the
first 2 files and to make a shaded plot showing areas with the
same wind speed in the same color. What I get is an empty plot
with correct axes.</p>
<pre style="margin: 0px 0px 10px; padding: 5px; border: 0px; font-size: 14px; vertical-align: baseline; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; overflow: auto; width: auto; max-height: 600px; word-wrap: normal; color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 17.8048000335693px; orphans: auto; text-align: left; text-indent: 0px; text-transform: none; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background: rgb(238, 238, 238);"><code style="margin: 0px; padding: 0px; border: 0px; font-size: 14px; vertical-align: baseline; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; white-space: inherit; background: rgb(238, 238, 238);">'open gfs.t12z.mastergrb2f00.ctl'
'open gfs.t12z.mastergrb2f03.ctl'
'set dfile 1'
'set time 12Z17OCT2014'
'set gxout shaded'
'set lat 50'
'set lon 0'
'set lev 1000 200'
'set t 1 2'
'd sqrt(ugrdprs*ugrdprs+vgrdprs*vgrdprs)*1.9438'
'set dfile 2'
'set time 15Z17OCT2014'
'set t 1 2'
'd sqrt(ugrdprs*ugrdprs+vgrdprs*vgrdprs)*1.9438'
</code></pre>
<p style="margin: 0px 0px 1em; padding: 0px; border: 0px; font-size:
14px; vertical-align: baseline; clear: both; color: rgb(0, 0, 0);
font-family: Arial, 'Liberation Sans', 'DejaVu Sans', sans-serif;
font-style: normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: 17.8048000335693px; orphans:
auto; text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: auto; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background: rgb(255, 255, 255);">I
am using opengrads – Grid Analysis and Display System (GrADS)
Version 2.0.2.oga.2.</p>
<p style="margin: 0px 0px 1em; padding: 0px; border: 0px; font-size:
14px; vertical-align: baseline; clear: both; color: rgb(0, 0, 0);
font-family: Arial, 'Liberation Sans', 'DejaVu Sans', sans-serif;
font-style: normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: 17.8048000335693px; orphans:
auto; text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: auto; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background: rgb(255, 255, 255);">Anyone
who can help me plotting data from different timesteps (=
different files) into one plot?<br>
</p>
<p style="margin: 0px 0px 1em; padding: 0px; border: 0px; font-size:
14px; vertical-align: baseline; clear: both; color: rgb(0, 0, 0);
font-family: Arial, 'Liberation Sans', 'DejaVu Sans', sans-serif;
font-style: normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: 17.8048000335693px; orphans:
auto; text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: auto; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background: rgb(255, 255, 255);">Best
regards,<br>
André Petersen<br>
</p>
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