🔍 Key Concepts

• Frontal thunderstorms are associated with weather fronts between different air masses • Understand how warm and cold air masses interact at a front • Difference between local/convective heating and frontal lifting

💭 Think About

• Ask yourself: which option clearly describes one air mass being forced to rise along a boundary with another air mass? • Which choices describe local effects (like terrain or daytime heating) rather than a large-scale front between air masses? • Think about how a cold air mass and a warm air mass typically meet and what happens at that boundary.

✅ Before You Answer

• Identify which option explicitly mentions a front or boundary between air masses • Separate the answers involving terrain or local heating from the one involving air masses interacting • Confirm that a frontal thunderstorm is tied to the process of lifting along a frontal boundary, not just any rising air.