Multiple choice What is the wind speed in the cloudy region at the centre of a cyclone? 250 km/h 100 – 150 km/h 200 – 260 km/h 150 – 250 km/h Reveal answer Fill a bubble to check yourself D Correct answer Explanation The centre of a cyclone is a calm area called the eye of the storm. Its diameter is about 10-30 km. This region is free of clouds and has light winds. The speed of wind in this region is 150 – 250 km/h.