About the WIS2 transition guide

Back to WIS

Provisions for the transition from WIS 1.0 and GTS to WIS 2.0 (WMO-No. 1323) 

This publication provides technical guidance and describes the practices to be followed by Members to implement WIS 2.0 and decommission the WIS 1.0 and GTS systems.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Download from the WMO library

Provisions for the transition from WIS 1.0 and GTS to WIS 2.0 (WMO-No. 1323) [2024 edition]

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

View amendments 

The FT2026-1 amendments are available for comment by National Focal Points on WIS Matters until 8 June 2026.

• FT2026-1 amendments 

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Links to "about pages" of related publications

• About the Manual on WIS2, Volume II
• About the Guide to WIS2, Volume II
• About the provisions for WIS2 transition
• About the Manual on WIS, Volume I
• About the Guide to WIS, Volume I