ESDIS Weekly Metrics: November 18, 2024

Note:

The volume distributed to end users per day, as a running average over the last 4 weeks, is 3.562 times the volume added to the archive per day.

LANCE Data Latency

Note:

Higher product latencies for:

• VIIRS-NOAA-20-Land on November 10-11, 2024, due to data delivery delay from Svalbard and delayed processing.
• VIIRS-NOAA-20-Atmosphere on November 10-11, 2024, due to data delivery delay from Svalbard and delayed processing.
• VIIRS-SNPP-Land on November 11, 2024, due to data delivery delay from Svalbard and delayed processing.
• OMPS-SNPP on November 12-14, 2024, due to receiving some reprocessed L0 data from EDOS.
• VIIRS-SNPP-Atmosphere on November 13-14, 2024, due to data delivery delay from Svalbard and delayed processing.

Notes:

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, VIIRS-NOAA-20-Land, VIIRS-SNPP-Land, VIIRS-SNPP-Atmosphere, and VIIRS-NOAA-20-Atmosphere) were satisfied within 3 hours. For OMPS-SNPP, SMAP L-BAND RADIOMETER-SMAP, VIIRS-NOAA-20-Land, VIIRS-SNPP-Land, VIIRS-SNPP-Atmosphere, and VIIRS-NOAA-20-Atmosphere, over 94%, 74%, 90%, 80%, 93%, and 91% of the NRT data requests were satisfied within 3 hours, respectively.

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