The windspeed in the highest cloud layer reach 355 km/hr (220 mi/hr) which is roughly equal the Earth's jet stream.

     The middle cloud layer has the fastest winds. These winds can reach 724 km/hr (450 mi/hr.) That is faster than the fastest tornado on Earth!

     In the lowest cloud levels, the winds blow at around 160 km/hr (100 mi./hr) Then, at the surface there is a gentle breeze of only 3.6 km/hr (2.2 mi./hr.)