Final answer:
A supercell thunderstorm is the type of storm that has an updraft that rotates. Supercells can produce tornadoes and are unique among thunderstorms due to their rotating updrafts named mesocyclones.
Step-by-step explanation:
The type of storm that has an updraft that rotates is known as a supercell thunderstorm. This severe weather phenomenon is characterized by a deep, persistent, and often rotating updraft called a mesocyclone.
Supercell thunderstorms are the storms that can produce tornadoes, which are formed when a column of air starts rotating around a horizontal axis and is influenced by wind shear in the atmosphere, causing it to shift and spin around a vertical axis. Unlike mesoscale convective complexes, ordinary (air-mass) thunderstorms, and squall lines, supercells have a unique and strong rotating updraft.
Tornadoes, which are associated with supercell thunderstorms, illustrate rotational motion in the atmosphere. They form funnel-like shapes that descend from clouds and spin violently. The eye of the storm, which is the center of rotation in tornadoes, is known for having weaker winds due to the inverse proportionality of tangential velocity and the radius of curvature.
In contrast, hurricanes are large tropical cyclones that develop over warm ocean waters and involve cyclonic rotation influenced by the Coriolis effect. Unlike tornadoes that arise from supercell storms over land, hurricanes form and gain strength over the ocean when warm, moist air rises and creates a system of strong winds and heavy rain as it cools and condenses.