ESDIS Weekly Metrics: June 2, 2025

Note:

1. The volume distributed to end users per day, as a running average over the last 4 weeks, is 3.389 times the volume added to the archive per day.

LANCE Data Latency

Note:

Higher product latencies for:

• SMAP L-BAND RADIOMETER-SMAP, on May 20, 2025, due to SDS received replays of the VCD from EDOS.
• OMI-AURA, on May 28, 2025, due to a deadlock that prevented the import from running.
• VIIRS-SNPP-Land, on May 30, 2025, is still under investigation.

Note:

1. Latency for a data granule is defined as the time taken from the midpoint between the start and end of acquisition of the data for that granule to the granule’s being ready online for users to download.
2. Duration covered by the data for a granule is defined differently for different instruments (e.g., MODIS granules are 5 minutes long while OMI NRT granules are 13 to 136 minutes long).
3. Over the last 4 weeks, over 95% of NRT data requests for all instruments except for 5 instruments (SMAP L-BAND RADIOMETER-SMAP, TROPOMI-SENTINEL-5P, VIIRS-SNPP-Land, VIIRS-NOAA20-Atmosphere, and VIIRS-NOAA-21-Land) were satisfied within 3 hours. SMAP L-BAND RADIOMETER-SMAP, TROPOMI-SENTINEL-5P, VIIRS-SNPP-Land, VIIRS-NOAA20-Atmosphere, and VIIRS-NOAA-21-Land over 84%, 84%, 79%, 85%, and 69% of the NRT data requests were satisfied within 3 hours, respectively.
4. MOPITT in Safe Mode: On February 1, 2025, the Terra Measurement of Pollution in The Troposphere (MOPITT) instrument went into safe mode. While in safe mode, there will be no MOPITT science data collected. As of March 31, 2025, the MOPITT Subsetter will be decommissioned.

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