Needle ice

Alternative definitions (5), class: vernacular (0)
Term: Needle ice
Definition: Thin, elongated ice crystals that form perpendicular to the ground surface. Single crystals are rarer. The optimum ground temperature range between 0C and -5C, with a temperature gradient between 0.3 and 0.5C/cm.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary