World Weather Watch

To predict the weather, modern meteorology depends upon near instantaneous exchange of weather information across the entire globe. Established in 1963, the World Weather Watch - the core of the WMO Programmes - combines observing systems, telecommunication facilities, and data-processing and forecasting centres - operated by Members - to make available meteorological and related environmental information needed to provide efficient services in all countries.

WORLD WEATHER WATCH COMPONENT PROGRAMMES

Global Observing System (GOS)
Global Telecommunication System (GTS)
	Radio Frequency Coordination (RFC)
Global Data-processing and Forecasting System (GDPFS)
WMO Data Management (WDM)
	WMO Codes
Instruments and Methods of Observation Programme (IMOP)
Emergency Response Activities (ERA)
Tropical Cyclone Programme (TCP)
WMO Polar Activities

System Support Activities (SSA)
Operational Information Service (OIS)
	WWW Operational Newsletter
	Volume A: Observing Stations
	Volume C1: Meteorological Bulletins
	Volume C2: Transmission Programmes
	Volume D: Information for Shipping
	WMO No. 47
	Regional Basic Synoptic Network
	Regional Basic Climatological Network
	Antarctic Observing Network (AntON)
	Quantity Monitoring Reports
	Quality Monitoring Reports
	Routeing Catalogues of Bulletins
	Res. 40 (Cg-XII) - Additional Data and Products

TECHNICAL COMMISSIONS

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