Story perspectives

NASA Engineers Unveil 9 Types of Life-Saving Precipitation

10/8/2025

40 4

Summary

Story summary

Researchers, including NASA engineers, analyzed weather data for a decade to refine precipitation categories.
They identified nine precipitation types to improve forecasting and save lives.
The Science Advances study shows snow can occur above freezing.
Precipitation Imaging Package (PIP) collected 1.5 million measurements at seven sites.
Uniform Manifold Approximation and Projection (UMAP) analysis revealed factors: particle characteristics, intensity, and phase.

1 of 1

Story summary

Researchers, including NASA engineers, analyzed weather data for a decade to refine precipitation categories.
They identified nine precipitation types to improve forecasting and save lives.
The Science Advances study shows snow can occur above freezing.
Precipitation Imaging Package (PIP) collected 1.5 million measurements at seven sites.
Uniform Manifold Approximation and Projection (UMAP) analysis revealed factors: particle characteristics, intensity, and phase.