zero degree bright band

The zero degree bright band, also known as the melting layer, is a radar signature that appears as a bright band on a weather radar display. It is a layer of snow or ice particles that are partially melted and refrozen, typically located at an altitude of approximately 0.5 to 2 kilometers above the ground. The zero degree bright band is important to meteorologists because it can affect precipitation type and intensity, as well as contribute to the formation of hail and lightning.