isothermic
eye-so-THER-mik
A snowpack condition in which the entire depth of snow is at the same temperature — 32°F / 0°C — meaning the whole pack is on the verge of melting. An isothermic snowpack is saturated, heavy, and structurally unstable. It is the condition that precedes wet avalanches and the final collapse of winter into spring.
Etymology
Greek isos (equal) + therme (heat). Equal temperature throughout.
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