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Register online for CHy-Ext.(2019) and for the Technical Conference (TECO-Hydro)


We strongly recommend that all participants to the session pre-register online.

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.

In the event that you have not received your registration log-in details or have a technical problem on the registration website, kindly contact Please also check your spam mail as the "" e-mail may have been treated as unknown.

Representatives of invited International Organizations, States with Observer status or other invited participants should ask their international department to send an email to with subject "CHy-Ext.(2019) registration" listing the first name, last name and email address of each authorized participant together with a photograph.

All representatives of international organizations invited as observers to the session should provide in advance, or bring to the session, a letter of representation signed by the appropriate authority from their organization.