What weather phenomenon can be associated with a rapidly moving cold front?

Prepare for the Commercial Ground – Weather Exam with flashcards and multiple choice questions, featuring detailed hints and explanations for each question. Ace your exam with confidence!

A rapidly moving cold front is typically associated with thunderstorms. As the cold front advances, it forces warm, moist air upward, leading to the formation of cumulonimbus clouds, which are responsible for producing thunderstorms. The rise of this warm air creates instability in the atmosphere, allowing for the development of significant weather phenomena such as heavy rainfall, lightning, and strong winds, all characteristic of thunderstorms.

In contrast, the other options are less likely to be associated with a rapidly moving cold front. Drizzle generally occurs in stable air conditions, often associated with warm fronts rather than cold fronts. Fog typically forms under calm and moist conditions, usually not occurring where a rapidly moving cold front is displacing warm air. Clear skies are also unlikely during the immediate passage of a cold front, as such fronts are usually accompanied by significant cloud cover and precipitation leading up to and following the frontal passage. Thus, the presence of thunderstorms is a defining characteristics of rapidly moving cold fronts.

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