arlmet.sources.HRRRSource

class arlmet.sources.HRRRSource

HRRR 3 km analysis (CONUS, June 2019–present).

Files cover 6-hour UTC blocks (00–05, 06–11, 12–17, 18–23), approximately 3.2 GB each.

S3: s3://noaa-oar-arl-hysplit-pds/hrrr/{year}/{month:02d}/{YYYYMMDD}_{HH}-{HH}_hrrr

Note

The earliest June 2019 files may exist at the bucket root rather than under the year subdirectory. This edge case is not currently handled.

Methods

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

Attributes

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