This study investigates and summarises the tropical circulation between 70°E and the dateline for the period November 1988 to April 1989 - a period characterised by the normalisation of a major 'cool' El Niño-Southern Oscillation (ENSO) event. Seasonal circulation anomalies typical of the phase of ENSO are documented and discussed briefly. The northwest monsoon in the southern hemisphere had an early onset and produced above average rainfall in the Australian region. Tropical cyclone occurrence in the Australian region was below average whilst a near-normal number of cyclones occurred in the northern hemisphere sector. Low frequency oscillations which are associated with convection in the Malaysian and north Australian regions are also investigated.
Keith et al. (Fri,) studied this question.
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