= Hail spike
{wiki=Hail_spike}
A hail spike is a weather phenomenon associated with severe thunderstorms. It occurs when large hailstones are expelled from a thunderstorm, often resulting in a radar signature that appears as a spike on Doppler radar images. This spike typically indicates the presence of significant hail, often larger than one inch in diameter, within the storm. Hail spikes are formed when strong updrafts within a thunderstorm carry moisture and ice particles upwards to higher altitudes, where temperatures are below freezing.
Back to article page