Topic: GOES-17 (West) Geostationary Lightning Mapper Test
Date/Time Issued: June 7, 2021 1430Z
Product(s) or Data Impacted: GOES-17 GLM
Date/Time of Initial Impact: June 8, 2021 1630UTC
Date/Time of Expected End: June 15, 2021 1500UTC
Length of Outage: Multiple 60min outages, one 24 hour degraded product period. See Details below.
Details/Specifics of Change: Starting on Tuesday June 8 at 1630UTC, GOES-17 GLM will perform testing to improve the data product. The outages and degradation period are listed below:
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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