Monsoon surge

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monsoon surge

The temporary extension of deep monsoon flow into a region not normally dominated by persistent monsoon flow.

This temporary extension or surge may last from a few days to three weeks. These surges most commonly occur eastward across the Philippine Sea into the western North Pacific and east of Australia into the western South Pacific. The establishment of a reverse-oriented monsoon trough is accompanied by an eastward surge in the monsoon flow. Monsoon surges are often precursors to the development of tropical cyclones.

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