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Year of Tropical Convection

The Year of Tropical Convection (YOTC), which commenced on 1 August 2008, is a joint World Climate Research Programme (WCRP) – World Weather Research Programme (WWRP)/THORPEX initiative. YOTC is a year of coordinated observing, modelling, and forecasting with a focus on organized tropical convection, its prediction, and predictability. The realistic representation of tropical convection in global models is a long-standing, grand challenge for both numerical weather prediction and climate prediction. Incomplete knowledge and practical issues in this area disadvantage the modelling and prediction of prominent phenomena of the tropical atmosphere across a wide range of scales. Scientific challenges encompass the prediction of El Niño-Southern Oscillation (ENSO), monsoons’ active/break periods, tropical cyclones and many other tropical (and extratropical) features. During YOTC the intent is to exploit the vast amounts of existing and emerging observations, the expanding computational resources and the development of new, high-resolution modelling frameworks. This focussed activity and its ultimate success, will benefit from the coordination of a wide range of ongoing and planned international programmatic activities and collaboration among the operational prediction, research laboratory and academic communities.

More information can be found on the YOTC webpage.




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