Differential reflectivity uses horizontal & vertical radar beams to detect shapes of objects. The red area is likely BIRDS inside the eye of #Matthew. This often happens with strong storms. | Weather Geeks

*This graphic depicts modelled radar reflectivity from 10am to 10pm Monday August 25, 2025.* There is a 25 to 35 percent chance for a mix of wet and dry thunderstorms across the higher terrain areas of Trinity County and other surrounding terrain today and Tuesday during the afternoon and evening. #cawx | US National Weather Service Eureka California