<div dir="ltr"><span id="gmail-docs-internal-guid-449456c3-99f1-8ba9-c895-79913b1fa899"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Dear DART users,</span></p><br><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">This e-mail is important for current rma_trunk users.  Please disregard if you are using Lanai or the trunk.</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">In preparation for releasing the new version of DART we’ve made modifications to the code which have some highly visible user changes. Our apologies in advance for the disruption this will cause.   If you’ve been using the alpha version of the branches/rma_trunk code (or any of its variants), after the next update you will need to make changes to your input.nml namelist and to your scripts for filename convention changes.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Our intent is to reduce the number of namelist options and the interaction between different selections.  We also hope that using more fixed filenames will simplify the scripting needed to cycle a model with DART.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Before you update, you should know this version also has some restrictions.  It will NOT do multiple assimilation cycles in a single run of filter, and it will not support reading/writing multiple ensemble members from a single file.  Both these restrictions will be lifted in future updates to the code before the release.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">And finally, remember that our subversion repository has moved to a new location :</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><a href="https://svn-dares-dart.cgd.ucar.edu/DART/branches/rma_trunk/">https://svn-dares-dart.cgd.ucar.edu/DART/branches/rma_trunk/</a></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">and the original server has been removed from service.  To convert existing checked out copies please reference :</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><a href="https://www.image.ucar.edu/~thoar/svn_primer.html#converting">https://www.image.ucar.edu/~thoar/svn_primer.html#converting</a></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Contact us at </span><a href="mailto:dart@ucar.edu" style="text-decoration:none"><span style="font-size:14.6667px;font-family:arial;background-color:transparent;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap">dart@ucar.edu</span></a><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> for help in migrating any code changes from your checked-out version to a new version based on the new server.</span></p><br><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Specific namelist changes include:</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">1. ) Earlier versions of the RMA branch code supported both direct NetCDF reads/writes and the original binary/ascii DART format restart files.  As of the next update DART format files are no longer supported.  All I/O is NetCDF only.  If your model does not use NetCDF you will still need a model_to_dart and dart_to_model converter; otherwise all DART programs read the model’s NetCDF files directly.  The namelist options related to selecting direct netcdf I/O have been removed.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">2. ) Diagnostic and state space data (such as inflation, mean and sd information) that were previously stored in {Prior,Posterior}_Diag.nc are now broken up into multiple files and have fixed filenames. This decreases the IO time for diagnostic output and reduces the number of namelist options.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">3. ) There is no longer support for observation space inflation (i.e. inf_flavor = 1).  Contact us at </span><a href="mailto:dart@ucar.edu" style="text-decoration:none"><span style="font-size:14.6667px;font-family:arial;background-color:transparent;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap">dart@ucar.edu</span></a><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> if you have an interest in using this option.</span></p><br><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Changes to the </span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">filter_nml</span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> are :</span></p><ul style="margin-top:0pt;margin-bottom:0pt"><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">restart_in_file_name</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- has been replaced with </span><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">input_restart_file_list</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> which is a text file which contains a list of NetCDF input restart files. For multiple domains such as WRF you can specify files for each domain. This is the same for </span><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">restart_out_file_name.</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">restart_out_file_name</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- has been replaced with </span><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">output_restart_file_list</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">inf_in_file_name</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, now have fixed names of the form input_{prior,posterior}inf_{mean,sd}.nc</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">inf_out_file_name</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, now have fixed names of the form output_{prior,posterior}inf_{mean,sd}.nc.</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">inf_diag_filename </span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">-- REMOVED</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">inf_output_restart</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, inflation restarts will be written out if inflation is turned on</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">output_inflation</span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, inflation files written only if inf_flavor &gt; 1.</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">stages_to_write</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- There is more control over what state data to write. Options are at stages <i>&#39;input&#39;, &#39;preassim&#39;, postassim&#39;, &#39;output&#39;</i>.  Stages preassim and postassim will output state data originally contained within the copies of Prior_Diag.nc and Posterior_Diag.nc.  See README_rma_updates.txt for details on the filename conventions. For example, running filter with prior inflation enabled with stage ‘preassim’ enabled will produce files with names:</span></p></li><ul style="margin-top:0pt;margin-bottom:0pt"><li dir="ltr" style="list-style-type:circle;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">   preassim_member_####.nc</span></p></li><li dir="ltr" style="list-style-type:circle;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">   preassim_{mean,sd}.nc</span></p></li><li dir="ltr" style="list-style-type:circle;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">   preassim_priorinf_{mean,sd}.nc</span></p></li></ul><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">write_all_stages_at_end</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- important for large models - all output file I/O is deferred until the end of filter, but will use more memory to store the data.  More detailed info is in RMA_rma_updates.txt</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">output_restart_mean</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- renamed </span><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">output_mean</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">output_restart</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- renamed </span><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">output_restarts</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">direct_netcdf_{read,write}</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, always true</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">restart_list_file</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- renamed </span><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">input_restart_file_list</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">single_restart_file_in </span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap">-- renamed </span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">single_file_in</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">single_restart_file_out </span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap">-- renamed </span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">single_file_out</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">add_domain_extension</span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">use_restart_list</span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">overwrite_state_input</span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, equivalent functionality can be set with </span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">single_restart_file_in = single_restart_file_out</span></p></li></ul><br><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Changes to the </span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">perfect_model_obs_nml</span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> are :</span></p><ul style="margin-top:0pt;margin-bottom:0pt"><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">restart_in_filename</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- renamed </span><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">restart_in_file_names</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> takes a NetCDF file. For multiple domains you can specify a list.</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">direct_netcdf_{read,write}</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, always true</span></p></li></ul><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Changes to the </span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">state_space_diag_nml</span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> are :</span></p><ul style="margin-top:0pt;margin-bottom:0pt"><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">single_file</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, diagnostic files are now controlled in </span><span style="font-size:14.6667px;background-color:transparent;font-style:italic;vertical-align:baseline;white-space:pre-wrap">filter_nml</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> with </span><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">stages_to_write</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">make_diagnostic_files</span><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, no longer produce original Prior_Diag.nc and Posterior_Diag.nc. These files are controlled with </span><span style="font-size:14.6667px;background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">stages_to_write</span></p></li><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">netCDF_large_file_support</span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, always true</span></p></li></ul><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Changes to the </span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">state_vector_io_nml</span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> are :</span></p><ul style="margin-top:0pt;margin-bottom:0pt"><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">write_binary_restart_files</span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED</span></p></li></ul><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Changes to the </span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">ensemble_manager_nml</span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> are :</span></p><ul style="margin-top:0pt;margin-bottom:0pt"><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">flag_unneeded_transposes</span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED</span></p></li></ul><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Changes to the </span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">integrate_model_nml</span><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> are :</span></p><ul style="margin-top:0pt;margin-bottom:0pt"><li dir="ltr" style="list-style-type:disc;font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">advance_restart_format</span><span style="font-size:14.6667px;background-color:transparent;font-weight:400;vertical-align:baseline;white-space:pre-wrap"> -- REMOVED, only supporting NetCDF format.</span></p></li></ul><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">A more detailed summary of namelist and filename changes can be found in README_rma_updates.txt.   See models/cam-fv/scripts_cesm1_5/assimilate.csh for an example of how to handle the new filename conventions.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Subsequent updates will add back the options for single file input and output for filter, and cycling multiple model advances and assimilation cycles inside a single run of filter.  We believe these missing features should not affect most of the current users of the RMA versions, but please contact us at </span><a href="mailto:dart@ucar.edu" style="text-decoration:none"><span style="font-size:14.6667px;font-family:arial;background-color:transparent;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap">dart@ucar.edu</span></a><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> if you need either or both of these features, and tell us which model you are using.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Please contact us if you want help in updating your namelist or to report any problems.</span></p><br><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Regards,</span></p><span style="font-size:14.6667px;font-family:arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">DART Team</span></span><br></div>