Practical NLP for Risk Modeling, Part III - Narrative Compression vs. Truncation

The notebook version of this post can be downloaded here . In Part II of the Practical NLP for Risk Modeling series, we fine-tuned DistilBERT end-to-end on NOAA tornado narratives and saw significant performance improvement versus the frozen-embedding baseline from Part I. That result is encouraging, but it raises a practical question: How much narrative text do we actually need? Free-form text…