Welcome to our deep dive into RainViewer PRO Radar tools . Today, we’re spotlighting one of the lesser-known, but highly insightful radar layers: Spectrum Width (WRAD) . If you’ve already explored Reflectivity, Velocity, and Correlation Coefficient in the app, you know each radar product offers a unique perspective on storm structure. WRAD adds another layer by helping identify storm turbulence, wind shear, and radar uncertainty. Let’s break it down and see how this advanced radar layer can enhance your forecasting toolkit.