Update #1: The GOES-16 (EAST) Geostationary Lightning Mapper Test scheduled for February 23, 2022 has been postponed. Another notification will be issued to update users on the new date.
Topic: GOES-16 (EAST) Geostationary Lightning Mapper Test
Date/Time Issued: February 23, 2022, 2146 UTC
Product(s) or Data Impacted: GOES-16 GLM
Date/Time of Initial Impact: February 23, 2022 0330UTC
Date/Time of Expected End: February 25, 2022 1745UTC
Length of Outage: There will be a 50 min, 60min, and a 24hr data outage of degraded product period. See Details below.
Details/Specifics of Change: Starting on Wednesday February 23, at 0330 UTC, GOES-16 GLM will perform testing to improve the data product. The outages and degradation period are listed below:

- February 23, 03:30 to 04:20 UTC 50min GLM outage
- February 24, 1630-1730 UTC: 60min GLM outage
- February 24 - February 25, 1745-1745 UTC 24hr GLM outage

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