Answer: a. Heavy rain and thunderstorms followed by lighter stratiform precipitation.
Explanation:
In their order of severity, thunderstorms range from single-cell, multi-cell, squall line, supercell, bow line to Mesoscale Convective systems (MCS)
. An MCS, therefore is a serious weather condition.
A Mesoscale convective system is an organized, group of thunderstorms with a wide geographical coverage and can last for hours. It can come with hail, flash floods, lake effect snow and trigger disasters such as tropical cyclones.
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