frazil ice

Frazil ice (pronounced “frazzle”) isn’t quite ice and it’s not quite snow. It’s the slushy mass that forms in your local creeks and rivers in the winter….sometimes causing the waterway to flood or change course. Frazil ice, an ice crystal formation, is the first stage in the forming of sea ice, but also commonly occurs in mountain streams and rivers. Frazil forms on clear, cold evenings when the air temperature reaches –6°C/ 20°F or lower or […]