NCEP Reanalysis update script fails about ledaps

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Based on information provided by NOAA, the file format of the underlying NCEP 
Reanalysis products has changed from netcdf3 to netcdf4.  
http://www.esrl.noaa.gov/psd/data/reanalysis/reanalysis.shtml

"We have transitioned the data files from netCDF3 to netCDF4-classic format on 
Monday Oct 20th. As a result, the files will be compressed instead of being 
packed with a scale and offset. As with any netCDF4 file, the NetCDF library 
will perform the uncompression. We expect the files to be read faster, 
depending on the application you are using. Values may differ slightly because 
of precision issues. Please let us know if you run into any problems after 
first reading our netCDF4 doc. We are also changing the time units to use 1800 
as the origin year for udunits. This should prove easier for users. The 
exception to the above are the spectral coefficients files, which are still 
packed."

Original comment by [email protected] on 22 Oct 2014 at 1:47

• Changed state: Started

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Noting some changes that I see in the data besides just the format.  The air 
temp, slp, and pr_wtr variables are now float32 in their new formats vs. int16s 
previously.  This has removed the need for a scale_factor and add_offset.  
However, the units are all still the same (degK, Pascals, and kg/m^s).
    --> This will require a change to lndsr/lndsrbm to read the new data format and not apply a scale factor or offset.  And, users will need to reprocess all their NCEP data to make sure all Year/DOY datasets are in the same format (i.e. data type, scale factor, offset)

Original comment by [email protected] on 24 Oct 2014 at 5:06

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Changes are in place for the repackage routine for NCEP.  Also made the changes 
for LEDAPS (lndsr and lndsrbm).  Both are checked into trunk.  More testing is 
required at this point, and a few changes are required to the Makefile for the 
NCEP repackaging.  Currently, if netcdf.h resides in the HDF4 include 
directory, then that is picked up prior to the netCDF4 include directory.

Original comment by [email protected] on 24 Oct 2014 at 8:19

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Releasing 2.1.0 for testing

Original comment by [email protected] on 29 Oct 2014 at 8:38

• Changed state: Fixed

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Original comment by [email protected] on 29 Oct 2014 at 8:46

• Added labels: Milestone-2.1.0

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Version 2.1.0 has been released under 'releases'.  This will be pushed to ESPA 
Ops first thing Monday morning.

Original comment by [email protected] on 31 Oct 2014 at 10:39

• Changed state: Verified