The dataset viewer is not available for this split.
Error code: StreamingRowsError
Exception: ReadError
Message: truncated header
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 99, in get_rows_or_raise
return get_rows(
^^^^^^^^^
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/utils.py", line 77, in get_rows
rows_plus_one = list(itertools.islice(ds, rows_max_number + 1))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2815, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2362, in __iter__
for key, example in self.ex_iterable:
^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 315, in __iter__
for key_example in islice(self.generate_examples_fn(**gen_kwargs), shard_example_idx_start, None):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 130, in _generate_examples
for example_idx, example in enumerate(self._get_pipeline_from_tar(tar_path, tar_iterator)):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 34, in _get_pipeline_from_tar
for filename, f in tar_iterator:
^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/utils/track.py", line 49, in __iter__
for x in self.generator(*self.args):
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/utils/file_utils.py", line 1387, in _iter_from_urlpath
yield from cls._iter_tar(f)
File "/usr/local/lib/python3.12/site-packages/datasets/utils/file_utils.py", line 1338, in _iter_tar
stream = tarfile.open(fileobj=f, mode="r|*")
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/tarfile.py", line 1886, in open
t = cls(name, filemode, stream, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/tarfile.py", line 1762, in __init__
self.firstmember = self.next()
^^^^^^^^^^^
File "/usr/local/lib/python3.12/tarfile.py", line 2756, in next
raise ReadError(str(e)) from None
tarfile.ReadError: truncated headerNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
NOAA WAVEWATCH III multi_1 Production Hindcast — Point Outputs
Complete mirror of the point-output products of NOAA/NCEP's WAVEWATCH III multi-grid (multi_1) production wave hindcast, February 2005 through May 2019, as published at https://polar.ncep.noaa.gov/waves/hindcasts/multi_1/.
Contents
One gzipped tar archive per month per product, exactly as published by NCEP, with the original MD5 sidecar files.
| Directory | Product | Coverage | Contents per month |
|---|---|---|---|
part/ |
buoys_part |
2015-08 to 2019-05 (NCEP began publishing partitions in August 2015) | Hourly wave-system partitions (Hs, Tp, wavelength, direction, spread, wind-sea fraction) at every model output point |
wmo/ |
buoys_wmo |
2005-02 to 2019-05 | Hourly totals (wind speed/direction, significant wave height, peak period) in WMO bulletin format |
spec/ |
buoys_spec |
2005-02 to 2019-05 | Full directional wave spectra at every output point |
Output points include the NDBC buoy network and additional fixed locations (~700 stations per month; the set varies over the record).
Inventory: 390 tarballs (172 months of wmo and spec, 46 of part), ~159 GB. MD5 sidecars are included for every file that has one upstream (three per product are absent on the source server).
Notes for use
- Hindcast fields are analysis-forced (GDAS/GFS winds), not forecasts.
- Partition direction convention is meteorological (direction waves come from), validated against NDBC buoy mean wave direction.
- The partitions in
part/are raw spectral watershed output and are not energy-disjoint: the square-root sum of squares of partition heights exceeds the model total significant wave height (by roughly 1.4x at mid-latitude Atlantic points). Total Hs should be taken fromwmo/or integrated fromspec/. - The multi_1 hindcast ends May 2019, when NCEP retired multi-grid WAVEWATCH III in favor of GFS-wave.
- Matching observations for verification are available from the NDBC historical archive (https://www.ndbc.noaa.gov/).
Provenance and license
Produced by NOAA/NCEP/EMC and published on polar.ncep.noaa.gov. Works of the United States Government are not subject to copyright (17 U.S.C. § 105); released here under CC0 for clarity. Cite NOAA/NCEP as the originating agency when using these data.
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