The task involves identifying the odd sentence from a set of five that doesn't fit the context of forming a coherent paragraph. Let's analyze the sentences:
The first sentence discusses urban planning in the context of natural disasters, setting the stage for a paragraph about disaster preparedness. The second sentence continues this theme by emphasizing the need for infrastructural upgrades and planning for disasters, reinforcing the preparation angle discussed in the first sentence. The fourth sentence highlights the changing weather patterns, providing the rationale for such preparation due to changes in baseline weather. The fifth sentence reinforces the inevitability of natural disasters, adding urgency to the need for preparedness.
The third sentence, however, provides a statistical observation about the frequency of specific weather events since 1980. While related to weather and climate, it does not tie directly into the theme of preparedness and urban planning, which is central to the other sentences. Thus, the third sentence is the odd one out.