snowmelt

noun

1. (uncountable, usually)Runoff from melting snow.

   “The snowmelt causes the river to flood.”

   “Outside, a wind from the south had picked up, a thawing wind that quickened the patter of snowmelt on the back patio.”

   “Los Angeles would still be a piddling little town in a desert if it weren’t for Sierra snowmelt and city officials crafty enough to snooker eastern California farmers out of their water rights.”