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RELEASE NOTES for FV3 202305: Summary

FV3-202305-public --- May 2023 Lucas Harris, GFDL lucas.harris@noaa.gov

This version has been tested with the FV3 Dynamical Core release 202305 and with FMS release 2023.01 from https://github.com/NOAA-GFDL/FMS

  • COSP diagnostics (Linjiong)
    • Cleaned up the interface of the COSP and call COSP only at the diagnostic time step
    • Added functionality for COSP to run offline
  • Modified shallow convection (Kun):
    • Introduced a new file mfshalcnv_gfdl.f, which will be used if imfshalcnv is set to 4. In the new scheme, if the diagnosed cloud depth or cloud top exceeds certain critical values (set by cthk_shal and top_shal, respectively), shallow convection will not be called.
    • Introduced more diagnostic fields related to the modified shallow convection scheme
  • GFDL MP (Linjiong)
    • Removed unused 3d microphysics diagnostics to save time and memory
    • Update gfdl_mp_nml reading code to avoid model crash for absent nml
    • Added options to sub-cycling condensation evaporation (nconds), control timescale or evaporation (do_evap_timescale), and delay condensation and evaporation (delay_cond_evap)
    • Removed grid size in GFDL MP energy and mass calculation
  • Fixed potential memory access outside of allocated arrays when NOAHMP is turned on (Kai-Yuan)
  • Added check for TKE tracer if TKE_EDMF scheme is used and added default values for undefined values (Lucas)
  • Add a function to use IFS initial SST for short-term forecast (Jan-Huey)
    • Namelist parameter: use_ifs_ini_sst
    • The IFS sst data on 6 tiles (ifsSST_data_tile*.nc) need to be put in the INPUT dir

RELEASE NOTES for FV3 202210: Summary

FV3-202210-public --- October 2022 Lucas Harris, GFDL lucas.harris@noaa.gov

This version has been tested with the FV3 Dynamical Core release 202210 and with FMS release 2022.03 from https://github.com/NOAA-GFDL/FMS

This release includes the following:

  • Release of the GFDL Microphysics Version 3
  • Fix for first_time_step bug
  • Fix for bug in which global physics diagnostic messages were printed out every timestep.
  • Fix specification of time-averaged flux variable
  • Fix segmentation fault when writing coarse-grained surface restart files
  • COSP Implementation
  • NOAH MP update
  • Introduce namelist parameter, Ts0, that is used to specify the surface temperature
  • Added option to fix solar declination for doubly periodic experiments
  • Diagnostic totprcp_ave has been renamed to totprcpb_ave