ESDIS Weekly Metrics: December 1, 2025

Note:

• The volume distributed to end users per day, as a running average over the last 4 weeks, is 7.065 times the volume added to the archive per day.
• On November 18, 2025, LPDAACCLOUD had a noticeable increase in distributed data.
• On November 21, 2025, NSIDCCLOUD had a noticeable increase in distributed data.
• From November 26-29, 2025, ASFCLOUD had a noticeable increase in distributed data.

LANCE Data Latency

Note:

Higher product latencies for:

• OMPS-SNPP, on November 24, 2025, is under investigation.
• SMAP L-BAND RADIOMETER-SMAP, on November 24 and 26, 2025, is under investigation.
• MODIS-AQUA and MODIS-TERRA, on November 27, 2025, were due to an issue with L0 imports.
• VIIRS-NOAA-20-Land, VIIRS-SNPP-Land, and VIIRS-NOAA-21-Land, on November 27, 2025, were due to an issue with L0 imports.

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 6 different instruments (e.g., MODIS granules are 5 minutes long while OMI NRT granules are 13 to 136 minutes long).
3. Over the last four weeks, over 95% of NRT data requests for all instruments except for 6 instruments (OMPS-SNPP, SMAP L-BAND RADIOMETER-SMAP, VIIRS-NOAA-20-Land,VIIRS-SNPP-Land, VIIRS-NOAA-20-Atmosphere, and VIIRS-NOAA-21-Land) were satisfied within 3 hours. OMPS-SNPP, SMAP L-BAND RADIOMETER-SMAP, VIIRS-NOAA-20-Land, VIIRS-SNPP-Land, VIIRS-NOAA-20-Atmosphere, and VIIRS-NOAA-21-Land over 88%, 69%, 93%, 75%, 72%, and 63% of the NRT data requests were satisfied within 3 hours, respectively.

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