Final answer:
A cyclone is the weather system that fits the given description, characterized by low-pressure centers and associated with strong winds, rainfall, and stormy conditions.
Step-by-step explanation:
The weather system that fits the given description is A) Cyclone. A cyclone is characterized by low-pressure centers and is associated with strong winds, heavy rainfall, and stormy conditions. An example of a cyclone is a tropical cyclone or hurricane.