Pull in units updates from FV3

[DWesl]

Commit Queue Requirements:

• [X] Fill out all sections of this template.
• [ ] All sub component pull requests have been reviewed by their code managers.
• [ ] Run the full Intel+GNU RT suite (compared to current baselines) on either Hera/Derecho/Hercules

• [ ] Commit 'test_changes.list' from previous step

  Description:

  This PR updates units definitions to be machine-readable:

• W rather than w as a symbol for watts
• m rather than M as a symbol for meters
• Pa rather than pa as a symbol for pascals (and hPa for hectopascals)
• mbar rather than mb as a symbol for millibar

Commit Message:

* UFSWM - Update units attributes in netCDF output to be machine-readable
  * FV3 - Update units attributes in netCDF output to be machine-readable
    * atmos_cubed_sphere - Update units attributes in netCDF output to be machine-readable

Priority:

• Normal

Git Tracking

UFSWM:

• None

Sub component Pull Requests:

• FV3: NOAA-EMC/fv3atm#859
  • atmos_cubed_sphere: NOAA-GFDL/GFDL_atmos_cubed_sphere#356

UFSWM Blocking Dependencies:

• None

---

Changes

Regression Test Changes (Please commit test_changes.list):

• PR Adds New Tests/Baselines.

Input data Changes:

• None.

Library Changes/Upgrades:

• No Updates

---

Testing Log:

• RDHPCS
  • [ ] Hera
  • [ ] Orion
  • [ ] Hercules
  • [ ] Jet
  • [ ] Gaea
  • [ ] Derecho
• WCOSS2
  • [ ] Dogwood/Cactus
  • [ ] Acorn
• [ ] CI
• [ ] opnReqTest (complete task if unnecessary)

[DusanJovic-NOAA]

I ran a subset of tests on Hera and everything looks good. @jkbk2004 This PR is ready for review and merge. It does need new baselines.

[DWesl]

Should I merge updates from the main/develop branch into the FV3 PR, and update the hash here?

[jkbk2004]

Should I merge updates from the main/develop branch into the FV3 PR, and update the hash here?

@DWesl yes, please keep syncing up. I may do some pre-tests to make this pr ready to commit. We are currently working on #2445.

[jkbk2004]

merged with #2475