ESDIS Weekly Metrics: September 22, 2025

Note:

1. The volume distributed to end users per day, as a running average over the last 4 weeks, is 3.682 times the volume added to the archive per day.
2. Limited data was processed. EMS has been notified. (09/20/2025)

LANCE Data Latency

Note:

Limited data was processed. EMS has been notified. (09/20/2025)

Higher product latencies for:

• SMAP L-BAND RADIOMETER-SMAP, on September 16, 2025, due to maintenance.
• OMPS-SNPP, on September 17 and 18, 2025, due to a database locking problem that prevented production.
• VIIRS-SNPP-Atmosphere, on September 17, 2025, is being investigated.

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 6 instruments (OMPS-SNPP, SMAP L-BAND RADIOMETER-SMAP, TROPOMI-SENTINEL-5P, VIIRS-NOAA-20-Land, VIIRS-NOAA-20-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-NOAA20-Atmosphere, and VIIRS-NOAA-21-Land over 91%, 86%, 91%, 76%, 79%, and 83% of the NRT data requests were satisfied within 3 hours, respectively.

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