Enhance tools to support reading WRF subgrid files

[georgemccabe]

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Describe the Enhancement

Provide a description of the enhancement request here.

Time Estimate

3 days

Sub-Issues

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Relevant Deadlines

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Funding Source

Amanda Fire Weather 7750062

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Milestone and Projects

• Select Milestone as the next official version or Backlog of Development Ideas
• For the next official version, select the MET-X.Y.Z Development project

Define Related Issue(s)

Consider the impact to the other METplus components.

• METplus, MET, METdataio, METviewer, METexpress, METcalcpy, METplotpy

Enhancement Checklist

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• Complete the issue definition above, including the Time Estimate and Funding Source.
• Fork this repository or create a branch of develop.
  Branch name: feature_<Issue Number>_<Description>
• Complete the development and test your changes.
• Add/update log messages for easier debugging.
• Add/update unit tests.
• Add/update documentation.
• Push local changes to GitHub.
• Submit a pull request to merge into develop.
  Pull request: feature <Issue Number> <Description>
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  Select: Reviewer(s) and Development issue
  Select: Milestone as the next official version
  Select: MET-X.Y.Z Development project for development toward the next official release
• Iterate until the reviewer(s) accept and merge your changes.
• Delete your fork or branch.
• Close this issue.

[JohnHalleyGotway]

@j-opatz please take a look at this issue.