Create a simple features data frame for NWS weather forecast zones.
The full resolution file will be named "WeatherZones.rda". In addition, "_05", _02" and "_01" versions of the file will be created that that are simplified to 5%, 2% and 1%. Simplified versions will greatly improve the speed of both searching and plotting.
convertWeatherZones()Name of the datasetName being created.
A weather forecast zone shapefile is downloaded and converted to a
simple features data frame with additional columns of data. The resulting file
will be created in the spatial data directory which is set with
setSpatialDataDir().
The source data is from 2022-09-13.