arlmet.sources.NARRSource#

class arlmet.sources.NARRSource[source]#

NCEP North American Regional Reanalysis (January 1979–2019).

Monthly files at 32 km resolution over North America. Useful for long climatological back-trajectory studies over the continent. No file extension.

S3: s3://noaa-oar-arl-hysplit-pds/narr/{year}/NARR{YYYYMM}

Methods

NARRSource.__init__()

NARRSource.fetch(start, end, *, local_dir[, ...])

Download ARL files covering [start, end] to local_dir.

NARRSource.keys_for_range(start, end)

Return deduplicated, sorted S3 keys covering [start, end].

Attributes

NARRSource.FTP_HOST

NARRSource.HTTP_BASE

NARRSource.S3_BUCKET

NARRSource.description

NARRSource.name

NARRSource.start_date

Earliest date available in the NOAA archive.