Madden-Julian oscillation

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English[edit]

Etymology[edit]

Discovered in 1971 by Roland Madden and Paul Julian of the American National Center for Atmospheric Research.

Proper noun[edit]

the Madden-Julian oscillation

  1. (meteorology) The largest element of the intraseasonal variability in the tropical atmosphere: a large-scale coupling between atmospheric circulation and tropical deep convection, manifesting itself most clearly as anomalous rainfall.