[production/RRFS.v1] Add clear-sky shortwave downward at surface flux to available diagnostics.

[dustinswales]

Description:

This PR adds a new diagnostic, instantaneous downward shortwave flux at the surface assuming clear-sky conditions.
This is needed for RRFSv1.

Analogous to #2248 into develop.

Commit Message:

N/A

Priority:

High: Time-sensitive project. Needed for RRFSv1.

Git Tracking

UFSWM:

N/A

Sub component Pull Requests:

• FV3: NOAA-EMC/fv3atm#825
• ccpp-physics: ufs-community/ccpp-physics#198

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Changes

Regression Test Changes (Please commit test_changes.list):

• PR Adds New Tests/Baselines.
• PR Updates/Changes Baselines.
• No Baseline Changes.

Input data Changes:

• None.

Library Changes/Upgrades:

• None.

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Testing Log:

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

[jkbk2004]

@dustinswales can you sync up branches? We will go ahead for testing.

[dustinswales]

@jkbk2004 Sorry, I was out Friday. All synced up now.

[jkbk2004]

@MatthewPyle-NOAA This pr ran ok on hera and hercules. We can move on merging after the test on wcoss2.

[MatthewPyle-NOAA]

@jkbk2004 Good to merge from my perspective.

[MatthewPyle-NOAA]

Approving....