arlmet.sources.GDASSource

class arlmet.sources.GDASSource

GDAS 1-degree global analysis (December 2004–present).

Weekly files (~571 MB each). Week boundaries are fixed per month: w1 = days 1–7, w2 = days 8–14, w3 = days 15–21, w4 = days 22–28, w5 = days 29–end.

S3: s3://noaa-oar-arl-hysplit-pds/gdas1/{year}/gdas1.{mon}{YY}.w{N}

Methods

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

Attributes

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