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The World Meteorological Organization (WMO) is closely monitoring the situation in relation to the Coronavirus disease (COVID-19) outbreak and regularly consulting with the United Nations, the World Health Organization, the Swiss Authorities and our Members. 

As a result of the of the outbreak, the first session of the Technical Commission for Weather, Climate, Water and Related Environmental Services and Applications (SERCOM-1) is organized in multiple parts:

Instructions and guidelines on the use of the online platform will be made available on the session website and participants will have the possibility to test the videoconferencing tool prior to the session.

In view of limited time during the virtual session to discuss documents, and in order to facilitate discussion, Permanent Representatives and session delegates are invited to provide their comments and proposed changes to the documents in advance of the Session via, preferably one week before the Session. In addition, the president of the Commission, in consultation with the Management Group is proposing to the Commission to adopt a list of consensual draft Decisions and Recommendations without debate. 

The Session will open at 12:00 U.T.C on Monday 22 February 2021. Virtual sessions of three hours will take place every day during the week between 12:00 and 15:00 U.T.C. See Tentative Workplan for details.

Please note that agenda item 8-Election of officers, for the election of a co-vice-president of the Commission, will take place on Friday 26 February at 12:00 U.T.C.
Please find for attention a related letter from the Secretary-General: [en]  [ar]  [fr]  [sp]  [ru]  [zh]

For additional information on SERCOM visit the SERCOM website on WMO Community platform. 

information.pngOnline registration

Online pre-registration is required for all participants. In view of their official status with WMO, Permanent Representatives of WMO Members (PRs) have been given access to an online Event Registration System allowing the pre-registration of their respective delegations. More information concerning online pre-registration is provided under the section Online Registration and Credentials of this website.

paperless.pngInformation on commission membership and session quorum

While any WMO Member can participate in the sessions of technical commissions, please note the following information regarding the commission membership and meeting quorum. 

Commission Membership


(b) At each regular session of Congress, the technical commissions for the next financial period shall be established in accordance with Article 8 (g) of the Convention. Members shall normally notify the Secretary-General on which commissions they intend to be represented. Such notification should normally be sent within 90 days after closure of the session of Congress and not later than 60 days before the ordinary session of the commission concerned. 

Note: Such notification should be sent to the Secretary-General by governments of WMO Members, normally Ministers of Foreign Affairs or the Permanent Missions of Members. Previous letters from the Secretary-General refer in this respect, where PRs are requested to work with their Ministries of Foreign Affairs to prepare a letter from their governments indicating if they intend to be represented on one or both technical commissions.


Technical commissions shall be composed of technical experts in the fields covered by the terms of reference of the commission. The designation of technical experts to participate in the activities of a technical commission shall be by the Permanent Representative, in consultations with the Hydrological Adviser (as relates to experts in hydrology), of the Member represented on the commission, and by the competent authority of the United Nations or other international organization with which the Organization has concluded arrangements or agreements.  

Note: Currently the following WMO Members have officially joined SERCOM List 



The quorum for a meeting shall be a simple majority of the Members with voting rights who are represented on the Commission (as per Regulation 141 (b)). 

As an example, if there are 126 members of the commission, of which 94 with voting rights, quorum would be 48. Quorum will be established and announced at the session.

language.pngWorking languages and documentation

Simultaneous interpretation into the six WMO official languages: Arabic, Chinese, English, French, Russian and Spanish will be provided during the online plenary meetings through the virtual platform.
Documents will be issued in the six WMO official languages and will be posted before and during the session on this website.

In view of the limited time for online sessions and in order to optimize discussions during the meeting, TC members are encouraged to submit comments on documents to prior to the session, preferably one week before its commencement. In order to reduce the time for introductions,  presentations (slides and/or video) will be uploaded for a number of items prior to the session.

agenda.pngTentative workplan

The tentative work plan for the session is provided in the Tentative workplan section (left-hand menu) of this website.


A satisfaction survey will be set up at the end of the session. 

information.pngContact information

For questions regarding the online session, please contact the WMO Conference Services at

how.pngList of participants

A provisional list of participants will be uploaded on the session website shortly after the beginning of the remote session. This list will be updated on a daily basis.