Mozambique Channel

Shear, Mozambique Channel

Flight51I; 22.7S, 39E, 11:27:16 GMT, 30 Aug 1985

The Mozambique Channel, between Madagascar and Africa, exhibits strong currents and shears throughout the year. Along those boundaries, especially when the summer monsoon creates locally intense wind waves, suloys are often found. An excellent example was observed by the astronauts aboard the Discovery during a descending pass into the Indian Ocean. A ship dumping waste products into her stern wake provided a marker for the shearing current boundary. Remnants of other ship discharges were evident, each being blown across the sea by winds greater than 20 kilometers an hour.

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