The discussion initially revolves around a misunderstanding of a thread's subject, which was expected to be about weather tornadoes but turned out to be about trains, specifically the Tornado locomotive. Participants express disappointment over the perceived clickbait nature of the title and suggest that a discussion on weather tornadoes could provide valuable information. The conversation shifts to the performance of the Tornado train, with some noting that it may not reach 100 mph due to track conditions. There is debate about the feasibility of achieving high speeds with modern technology, referencing the historical speed record set by the Mallard locomotive in 1938. Participants question whether current excitement over reaching 100 mph indicates a lack of ambition in train technology, while acknowledging that modern restrictions on train speeds could impact performance. Overall, the thread highlights a mix of humor, curiosity about train speeds, and reflections on advancements in rail technology.