Which of the following describes a thunderstorm with moderate rain and small hail?

The correct answer is TSRAGS, which stands for Thunderstorm Rain and Small Hail, and it specifically describes a thunderstorm characterized by moderate rain and the presence of small hail.

In the context of surface weather observation, thunderstorms can be classified based on their intensity and the type of precipitation they produce. TSRAGS indicates a weather event where the rainfall is at a moderate intensity, along with the occurrence of small hail, which aligns perfectly with the description provided in the question. This classification is useful for meteorologists and weather observers in predicting and analyzing weather conditions.

Other options represent different types of weather phenomena. For instance, TSRAPE would signify Thunderstorm Rain and Pea-sized hail, which involves smaller hail than that described in the correct answer. FZRA refers to freezing rain, and DRDU typically denotes drizzle, neither of which align with the specifics of moderate rain and small hail. Understanding these classifications helps ensure accurate reporting and forecasting of weather conditions.