Missing files in GPM IMERG data
Posted: Wed Jan 04, 2023 6:37 pm America/New_York
Hi,
CMR entries for GPM IMERG datasets occasionally miss files.
Example 1.
The files for 21:00 and 21:30 are present in https://gpm1.gesdisc.eosdis.nasa.gov/data/GPM_L3/GPM_3IMERGHHL.06/2020/238/, yet CMR does not know about them.
Compare 2 results here
https://cmr.earthdata.nasa.gov/search/granules.json?concept_id[]=C1598621095-GES_DISC&temporal[]=2020-08-25T20:30:00/2020-08-25T22:00:00&page_size=1000
with the previous day's 4 results
https://cmr.earthdata.nasa.gov/search/granules.json?concept_id[]=C1598621095-GES_DISC&temporal[]=2020-08-24T20:30:00/2020-08-24T22:00:00&page_size=1000
Example 2.
This skips files for 01:00 and 01:30
https://cmr.earthdata.nasa.gov/search/granules.json?online_only=true&collection_concept_id[]=C1598621095-GES_DISC&page_size=3&temporal=2022-12-29T00:00:00
Note how the file for 00:30
https://data.gesdisc.earthdata.nasa.gov/data/GPM_L3/GPM_3IMERGHHL.06/2022/363/3B-HHR-L.MS.MRG.3IMERG.20221229-S003000-E005959.0030.V06C.HDF5
is followed by the file for 02:00
https://data.gesdisc.earthdata.nasa.gov/data/GPM_L3/GPM_3IMERGHHL.06/2022/363/3B-HHR-L.MS.MRG.3IMERG.20221229-S020000-E022959.0120.V06C.HDF5
But https://jsimpsonhttps.pps.eosdis.nasa.gov/text/imerg/late/202212/ has these files.
CMR entries for GPM IMERG datasets occasionally miss files.
Example 1.
The files for 21:00 and 21:30 are present in https://gpm1.gesdisc.eosdis.nasa.gov/data/GPM_L3/GPM_3IMERGHHL.06/2020/238/, yet CMR does not know about them.
Compare 2 results here
https://cmr.earthdata.nasa.gov/search/granules.json?concept_id[]=C1598621095-GES_DISC&temporal[]=2020-08-25T20:30:00/2020-08-25T22:00:00&page_size=1000
with the previous day's 4 results
https://cmr.earthdata.nasa.gov/search/granules.json?concept_id[]=C1598621095-GES_DISC&temporal[]=2020-08-24T20:30:00/2020-08-24T22:00:00&page_size=1000
Example 2.
This skips files for 01:00 and 01:30
https://cmr.earthdata.nasa.gov/search/granules.json?online_only=true&collection_concept_id[]=C1598621095-GES_DISC&page_size=3&temporal=2022-12-29T00:00:00
Note how the file for 00:30
https://data.gesdisc.earthdata.nasa.gov/data/GPM_L3/GPM_3IMERGHHL.06/2022/363/3B-HHR-L.MS.MRG.3IMERG.20221229-S003000-E005959.0030.V06C.HDF5
is followed by the file for 02:00
https://data.gesdisc.earthdata.nasa.gov/data/GPM_L3/GPM_3IMERGHHL.06/2022/363/3B-HHR-L.MS.MRG.3IMERG.20221229-S020000-E022959.0120.V06C.HDF5
But https://jsimpsonhttps.pps.eosdis.nasa.gov/text/imerg/late/202212/ has these files.