During summer there was a weakening of the warm episode conditions that have dominated the tropical Pacific over the past three years. Many tropical warm episode indicators showed a return to normal. The Southern Oscillation Index (SOI) was close to zero, and in the tropical Pacific Ocean, low-level easterlies were stronger than normal, there was a cooling of warm sea-surface temperature (SST) anomalies and convection was near normal.
Leanne Hollis (Thu,) studied this question.
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