Answer:
b. Thunderstorm, Mesoscale
Explanation:
The Mesoscale convective system is a quite wide orbit, or perhaps a thunderstorm system. This is not a specific thunderstorm but various thunderstorms have combined and function as one huge system. It can consume up to 100 km of space. These thunderstorms can lead to a number of difficulties, and since they are a mixture of different thunderstorm types, they can expect pretty much everything.