El Niño Update. Monthly since November 1997.
International Glossary of Hydrology
Manual on the Global Data Processing System
Manual on the Global Observing System
Manual on Marine Meteorological Services
Operational Hydrology Reports
Special Environmental Reports
Technical Regulations—Manual on Codes
WMO Annual Report.
WMO Bulletin. Summarizes the work of the WMO and of developments in international meteorology. Quarterly.
WMO Training Series
World Climate News. Quarterly.
World Weather Watch—The Plan and Implementation Programme.
(The WMO Library carries 35,000 monographs and 200 periodicals on the topics of meteorology, climatology, hydrology, marine and agricultural meteorology, and related topics of pollution and environment.)