Cascade concrete

uncountable

Wet, heavy and often sticky snow, which makes skiing and snowboarding difficult.

Japanese Meaning

濡れて重く、しばしば粘着性のある雪。これによりスキーやスノーボードが非常に困難になる状況を指す。

By mid-afternoon the lower mountain had turned into Cascade concrete, and the normally easy blue runs felt like work.

午後遅くには山の下部が湿って重く粘り気のある雪になり、普段は楽な中級コースでも疲れるほどだった。

Sense（1）

Wet, heavy and often sticky snow, which makes skiing and snowboarding difficult.