Greetings, I'm working with creating a grid of 30-sec topography for approximately the coverage of the US. GDTOPO works fine and I can use GDINFO to display the grid within the newly created GEMPAK file. However, I keep getting an error message saying that the elevation data does not exist when I use several other programs (eg., GDGRIB2, GDLIST). Is there a problem with the size of the domain and grid point spacing being used? Is there a way to correct this? Thank you much, Chris
gembud
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