Archived warnings and their polygons are missing.

[acidhorse1972]

when looking at old archived radar data the warnings that occurred and their polygons

[dpaulat]

It should be possible to add. I'll do some roadmap cleanup soon, and see where I can get it to fit. It's getting some traction, so hopefully early-ish next year.

NWS API: https://www.weather.gov/documentation/services-web-api#/
IA State Mesonet: https://mesonet.agron.iastate.edu/api/1/docs#/nws/service_nws_afos_list__fmt__get

Referencing issue #166 and #316