ESDIS Weekly Metrics: June 30, 2025

Note:

1. The volume distributed to end users per day, as a running average over the last 4 weeks, is 2.638 times the volume added to the archive per day.
2. The drop in archive, ingest and distribution on June 28, 2025, are due to incomplete data processed to EMS.

LANCE Data Latency

Note:

Higher product latencies for:

• OMPS-SNPP, on June 9, 13, and 20, 2025, due to:
  • June 9:  a system (LVFS) problem overnight
  • June 13: data delay caused by missed contacts
  • June 20: EDOS received data late
• TROPOMI-SENTINEL-5P, June 22-23, 2025, due to a Sentinel-5P Ground Segment issue.
• SMAP L-BAND RADIOMETER-SMAP, June 25, 2025, due to system maintenance.

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 8 instruments (OMPS-SNPP, SMAP L-BAND RADIOMETER-SMAP, TROPOMI-SENTINEL-5P, VIIRS-NOAA-20-Land, VIIRS-SNPP-Land, VIIRS-SNPP-Atmosphere, VIIRS-NOAA20-Atmosphere, and VIIRS-NOAA-21-Land) were satisfied within 3 hours. OMPS-SNPP, SMAP L-BAND RADIOMETER-SMAP, TROPOMI-SENTINEL-5P, VIIRS-NOAA-20-Land, VIIRS-SNPP-Land, VIIRS-SNPP-Atmosphere, VIIRS-NOAA20-Atmosphere, and VIIRS-NOAA-21-Land over 93%, 84%, 55%, 94%, 76%, 87%, 81%, and 70% 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. On March 31, 2025, the MOPITT Subsetter was decommissioned.

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