Meeting 2026 01 08 - wmo-im/tt-wismd GitHub Wiki

Date/Time

Thursday 8 January 2026 13h - 15h UTC

Location

MS Teams

Attendees

Team

Name	Affiliation/Country	GitHub handle	Attendance
Tom KRALIDIS (Chair)	Canada	@tomkralidis	X
Guillaume AUBERT	EUMETSAT	@gaubert
Takumu EGAWA (observing member)	Japan		X
Lara FERRIGHI	Norway	@ferrighi
Sylvain GRELLET	France	@sgrellet
Xinqiang HAN	China	@Amienshxq	X
Vera KORBULAKOVA	Russian Federation	@VeraKorbulakova
Ian MCDONALD	EUMETSAT	@McDonald-Ian
Steve OLSON	USA	@solson-nws	X
Ján OSUSKY	HMEI	@josusky	X
David PODEUR	France	@davidpodeur
Julia SIELAND	Germany	@jsieland
Yutaro TONOOKA	Japan	YutaroJMA	X
Anna MILAN	WMO Secretariat	@amilan17	X

Agenda

• Previous meeting minutes and actions (all)
• Secretariat updates (Anna)
• WME
  • simplify message payload: https://github.com/wmo-im/wis2-monitoring-events/pull/23
• WNM
  • clarify data updates: https://github.com/wmo-im/wis2-notification-message/issues/160
  • properties.metadata_id requirement: https://github.com/wmo-im/wis2-notification-message/issues/119

Notes

• Tom opened the meeting with a welcome to all
• Tom explained the recent changes to the WME and the team discussed the details in the PR. The team did not object the merging the PR.
• the team agreeed to the PR on issue 160 to clarify data updates:
• the team discussed options for making metadata_id required in WNM; it was noted that the non-wis2box nodes will have to update their schemas if it is required; at HMEI omits the metadata_id property if the content is "null";

Actions

• @tomkralidis review guide for needed updates based on https://github.com/wmo-im/wis2-notification-message/issues/160 DONE https://github.com/wmo-im/wis2-guide/pull/225
• @tomkralidis clarify how the brokers validate the existence of discovery metadata DONE https://github.com/wmo-im/wis2-notification-message/issues/119#issuecomment-3740348962
• @amilan17 editorial review/sweep of the entire WME document

Next meeting

2026-02-05