source: flex_extract.git/Documentation/html/_sources/Support/known_bugs_issues.rst.txt @ 08c9091

Known Bugs and Issues
*********************

Release v7.1
============


CDS API and ERA5 data
---------------------

  See ticket `#230 <https://www.flexpart.eu/ticket/230>`_  on flexpart.eu for information.


Installation problems with ``GATEWAY`` and ``DESTINATION`` parameters
---------------------------------------------------------------------

  See ticket `#263 <https://www.flexpart.eu/ticket/263>`_  on flexpart.eu for information. Fixed in v7.1.1.


Installation problems with the Fortran program ``calc_etadot``
--------------------------------------------------------------

   See ticket `#264 <https://www.flexpart.eu/ticket/264>`_  on flexpart.eu for information. Fixed in v7.1.1.


ECCODES Error Code 250
----------------------

If you get an error message from ECCODES with code 250, looking like this:

.. code-block:: bash

    ECCODES ERROR   :   wrong size (184) for pv it contains 276 values 
    ECCODES ERROR   :  get: pv Passed array is too small
    ... ERROR CODE: 250
    ... ERROR MESSAGE:
          Command '['<path-to-flex_extract>/flex_extract_v7.1/Source/Fortran/calc_etadot']' returned non-zero exit status 250.
    ... FORTRAN PROGRAM FAILED!

then you have set a wrong maximum level in the :literal:`CONTROL` file! 
It is important to properly select the maximum level depending on the data set you would like to retrieve. Only the following values of the number of model levels available are valid: 16, 19, 31, 40, 50, 60, 62, 91, 137. 

The ERA-Interim data set uses 62 model levels and *ERA5* as well as *CERA-20C* uses 137. 

The operational data sets use different numbers, depending on the date. For example, from 25/06/2013 on, 137 model levels were used in the operational system. Therefore, every time you extract data from a date later than 25/06/2013 you have to select LEVEL=137 in the :literal:`CONTROL` file, or you have to define LEVELLIST=1/to/137. Of course, you can stop before the top of the atmosphere, such as 60/to/137, but you have to include the maximum level number (i. e., the lowest level, see note below!) number as the last one. Table 2 in the `scientific model description paper <https://www.geosci-model-dev-discuss.net/gmd-2019-358/>`_ gives an overview of the level lists and the corresponding date they were introduced. 


.. note::
 
     Be aware that the ECMWF model counts the levels from the top of the atmosphere downward to the surface. Level 1 is the topmost level, and e.g. 137 would be the level closest to the ground.