Title Page
Please review the following text and email any required changes or feedback to Eliot Christian
WORLD METEOROLOGICAL ORGANIZATION
Guidance Supplementary to
WMO Technical Regulations,
Volume I - General Meteorological
Standards and Recommended Practices,
Section A - World Weather Watch
GUIDE TO
WMO INFORMATION SYSTEM (WIS)
2012 edition
Secretariat of the World Meteorological Organization-Geneva-Switzerland
WORLD METEOROLOGICAL ORGANIZATION
Guidance Supplementary to
WMO Technical Regulations,
Volume I - General Meteorological
Standards and Recommended Practices,
Section A - World Weather Watch
GUIDE TO
WMO INFORMATION SYSTEM (WIS)
2012 edition
Secretariat of the World Meteorological Organization-Geneva-Switzerland