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April 2013

National Data Buoy Center
Tropical Atmosphere Ocean (TAO) Array


The TAO/TRITON Array, consisting of nearly 70 moored buoys spanning the equatorial Pacific, measures oceanographic and surface meteorological variables critical for improved detection, understanding and prediction of seasonal-to-interannual climate variations originating in the tropics, most notably those related to the El Nino/Southern Oscillation (ENSO). TAO/TRITON is a component of the Global Tropical Moored Buoy Array which is a multi-national effort to provide data in real-time for climate research and forecasting. Support for the TAO/TRITON array is provided by the United States (National Oceanic and Atmospheric Administration) and Japan (Japan Agency for Marine-earth Science and TEChnology)

The TAO/TRITON array provides climate researchers, weather prediction centers, and scientists around the world with real-time data from the tropical Pacific. El Nino (the warm phase of the ENSO cycle) is associated with a disruption of the ocean-atmosphere system in the tropical Pacific, which has important consequences for weather around the globe. Though originating in the tropical Pacific, ENSO has socio-economic consequences that are felt on a global scale. The ability to predict warm and cold ENSO events allows better global management of agriculture, water supplies, fisheries, and other resources.

For more information, please visit:

bouy and ship

Global Tropical Moored Buoy Array


Satellite Products and Services Division
Direct Services Branch
Phone: 301-817-4543
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Mailing Address:
1315 East-West Hwy
Silver Spring, MD 20910-3282     USA