Wind shear quickly put an end to the development of the tropical low named “System 97W” in the South Pacific. The low was developing near Brunei yesterday and was even showing some signs of strong convection, but wind shear, the enemy to a developing tropical cyclone, increased broke down the structure of the low pressure area.

Wind shear is a difference in wind speed and direction over a relatively short distance in the atmosphere. Vertical wind shear attacked or batters the heat engine of a tropical cyclone, making it break down. With strong wind shear, tropical cyclones weaken as the upper circulation of the storm is blown away from the low level center. When the upper and lower levels become separated, or pushed in different directions like a spring standing up, the storm, like a spring, loses its ability to stand straight and can’t function.ncreased wind shear today caused System 97W to fall apart and quickly dissipate, putting an end to its chances for growing into a tropical cyclone.

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