Add Weddell Sea timeseries

[dabail10]

Description of changes:

• Please add an explanation of what your changes do and why you'd like us to include them.

• Adds Weddell Sea timeseries.
• Rearranges some subpanels
• Fixes some time axes

All PRs Checklist:

• Have you followed the guidelines in our Contributor's Guide?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Have you made sure that the pre-commit checks passed (#8 in Adding Notebooks Guide)?
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New notebook PR Additional Checklist (if these do not apply, feel free to remove this section):

• Have you hidden the code cells (#8 in Adding Notebooks Guide) in your notebook?
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[dabail10]

I would also like @duvivier to take a look.