What question did this study set out to answer?

To summarize the climate conditions in the southern hemisphere during summer 1993-94 and assess changes in the tropical Pacific.

February 5, 2026

Seasonal climate summary southern hemisphere (summer 1993-94): conditions return to near normal across the tropical Pacific

Key Points

To summarize the climate conditions in the southern hemisphere during summer 1993-94 and assess changes in the tropical Pacific.
Analyzed indicators of warm episode conditions in the tropical Pacific.
Evaluated the Southern Oscillation Index (SOI) as a measure of atmospheric pressure variations.
Monitored sea-surface temperature (SST) anomalies and easterly wind patterns.
Southern Oscillation Index (SOI) was close to zero, indicating normal atmospheric conditions.
Low-level easterlies were stronger than average in the tropical Pacific.
Cooler sea-surface temperature anomalies were observed compared to previous years.
Convection levels returned to near normal conditions.

Abstract

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.

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Cite This Study

Leanne Hollis (Thu,) studied this question.

synapsesocial.com/papers/698435e5f1d9ada3c1fb5371 https://doi.org/https://doi.org/10.1071/es95014

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