namanl_base_url: Retrieve the base url for either HTML, XML or OPENDAP...
In BigelowLab/namanl: nam218

As of 2020-05-18 the resources have been split into "model-namanl-old" and "model-namanl" with 2 days missing (2020-05-16 and 2020-05-17). I wish they had simply made the catalog have a year-level instead of an arbitrary threshold.

namanl_base_url(
  type = c("html", "thredds", "xml", "opendap")[2],
  threshold = namanl_threshold_date(),
  date = threshold - c(3, 0),
  base_uri = c("https://www.ncdc.noaa.gov", "https://www.ncei.noaa.gov")[2]
)

`type`	character, one of the following html - to get a URL for the human readable catalog page thredds - to get the URL for the XML catalog page - this is the default xml - same as `thredds` to get the URL for the XML catalog page opendap - to get the URL to the opendap (grib2) resource
`threshold`	Date or cast-able as Date, inclusive threshold identifies start of 'recent' records
`date`	night Date or cast-able to Date, the date(s) to search for. The default is a 2 element vector with the last 'old' and first 'recent' dates.
`base_uri`	character