The collision-coalescence process generates big raindrops that sweep up smaller cloud droplets, thus growing bigger. Potentially, they grow so large that frictional drag from the surrounding air causes the raindrop to break apart into a larger number of smaller droplets.

Question

Quizplus · Accepted Answer

This is correct. If a raindrop grows too large, it can become unstable and break apart into smaller droplets due to the frictional drag from the surrounding air. This is known as breakup or fragmentation.

The Collision-Coalescence Process Generates Big Raindrops That Sweep Up Smaller