Near-global impact of the Madden-Julian Oscillation on rainfall
Data(s) |
01/05/2006
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Resumo |
The accuracy of synoptic-based weather forecasting deteriorates rapidly after five days and is not routinely available beyond 10 days. Conversely, climate forecasts are generally not feasible for periods of less than 3 months, resulting in a weather-climate gap. The tropical atmospheric phenomenon known as the Madden-Julian Oscillation (MJO) has a return interval of 30 to 80 days that might partly fill this gap. Our near-global analysis demonstrates that the MJO is a significant phenomenon that can influence daily rainfall patterns, even at higher latitudes, via teleconnections with broadscale mean sea level pressure (MSLP) patterns. These weather states provide a mechanistic basis for an MJO-based forecasting capacity that bridges the weather-climate divide. Knowledge of these tropical and extra-tropical MJO-associated weather states can significantly improve the tactical management of climate-sensitive systems such as agriculture. |
Identificador |
Donald, A. and Meinke, H. and Power, B. and Maia, A. de H.N. and Wheeler, M.C. and White, N. and Stone, R.C. and Ribbe, J. (2006) Near-global impact of the Madden-Julian Oscillation on rainfall. Geophysical Research Letters, 33 (9). p. 9704. |
Publicador |
American Geophysical Union |
Relação |
http://dx.doi.org/10.1029/2005GL025155 http://era.daf.qld.gov.au/935/ |
Palavras-Chave | #Agricultural meteorology. Crops and climate |
Tipo |
Article PeerReviewed |