Update #2: The PDA outage that ran longer than expected has ended. PDA is now able to ingest and disseminate products/subscriptions normally. The Day 1 of 2 upgrade activities will continue throughout the day and there may be isolated interruptions to processing during that time. If processing or connectivity interruptions occur, hung connections may need to be reset and/or restarted.

Update #1: The PDA outage estimated to be 60 minutes between 1300Z and 1400Z will be longer than expected. The outage is now expected to last until ~1600Z.

Reminder: Planned maintenance will begin at 1215Z with a PDA outage of about 60 minutes between 1300Z and 1400Z. See below.

Topic: Planned ESPDS PDA/NDE maintenance activities at the NSOF OPS site WILL cause connectivity and/or processing Interruptions.

Date/Time Issued: April 20, 2020 1635Z

Product(s) or Data Impacted: All or some products being Ingested and/or Disseminated from the NSOF OPS site will be affected.

Date/Time of Initial Impact: April 20, 2020 1215Z

Date/Time of Expected End: April 21, 2020 2115Z

Length of Event: 33 hours

Details/Specifics of Change: The PDA NSOF OPS environment will perform a ESPDS Application Upgrade during the maintenance window above. If Critical Weather is declared and conflicts with the maintenance window, the schedule will shift +24 hours. A TOTAL OUTAGE of approximately 60 minutes will occur April 20, 2020 beginning at 1300Z. Short outages of 5 to 15 minutes may occur anytime during the upgrade process. The upgrade will take place over a 2 day period with system availability maintained for the majority of time. If processing or connectivity interruptions occur, hung connections may need to be reset and/or restarted.

The PDA Support team will be monitoring the environment to quickly investigate and remediate anomalies that arise.

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880.

Web Site(s) for applicable information: N/A