Topic: GOES-16 (EAST) Geostationary Lightning Mapper Test
Date/Time Issued: February 02, 2021 2122Z
Product(s) or Data Impacted: GOES-16 GLM
Date/Time of Initial Impact: February 15, 2021 1715UTC
Date/Time of Expected End: February 19, 2021 1500UTC
Length of Outage: Multiple 1hr15min outages, one 24 hour degraded product period. See Details below.
Details/Specifics of Change: Starting on Monday February 15 at 1715UTC, GOES-16 GLM will perform testing to improve the data product. The outages and degradation period are listed below:
      February 15 1715-1830UTC: 1hr15min GLM outage
      February 16 0515-0630UTC: 1hr15min GLM outage
      February 16 1715-1830UTC: 1hr15min GLM outage
      February 17 0515-0630UTC: 1hr15min GLM outage
      February 18 1500 to February 19 1500UTC: 24 hour GLM degraded radiometric data
This testing will be postponed in the event of a critical weather day. Events will slip one business day, remaining at the same time of day, until they do not conflict with critical weather day.

Contact Information for Further Information: ESPC Operations at and 301-817-3880              
Web Site(s) for applicable information: N/A                
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