arlmet.sources.ReanalysisSource#

class arlmet.sources.ReanalysisSource[source]#

NCEP/NCAR Reanalysis 2.5-degree global (1948–present).

Monthly files (~500 MB each). Covers the full globe at 2.5-degree resolution. Useful for long climatological back-trajectory studies. Cropping with bbox= on fetch is strongly recommended.

S3: s3://noaa-oar-arl-hysplit-pds/reanalysis/{year}/RP{YYYYMM}.gbl

Methods

`ReanalysisSource.__init__`()
`ReanalysisSource.fetch`(start, end, *, local_dir)	Download ARL files covering `[start, end]` to local_dir.
`ReanalysisSource.keys_for_range`(start, end)	Return deduplicated, sorted S3 keys covering `[start, end]`.

Attributes

`ReanalysisSource.FTP_HOST`
`ReanalysisSource.HTTP_BASE`
`ReanalysisSource.S3_BUCKET`
`ReanalysisSource.description`
`ReanalysisSource.name`
`ReanalysisSource.start_date`	Earliest date available in the NOAA archive.