ESDIS Weekly Metrics: January 27, 2025

Note:

1. The volume distributed to end users per day, as a running average over the last 4 weeks, is 3.637 times the volume added to the archive per day.

LANCE Data Latency

Note:

Higher product latencies for:

• VIIRS-SNPP-Land on January 21, 2025, due to system hiccup.
• SMAP L-BAND RADIOMETER-SMAP on January 22-23, 2025, due to system maintenance.
• OMI-AURA on January 23, 2025, due to an internal problem that blocked ingest overnight.
• VIIRS-SNPP-Atmosphere and VIIRS-NOAA-20-Atmosphere on January 24, 2025, due to a production update.

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 2 instruments (SMAP L-BAND RADIOMETER-SMAP and VIIRS-SNPP-Land) were satisfied within 3 hours. SMAP L-BAND RADIOMETER-SMAP and VIIRS-SNPP-Land over 69% and 81% of the NRT data requests were satisfied within 3 hours, respectively.

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