The high slopes of the Lukachukais were obscured now by the darkness of the cloud. Light from the setting sun glittered from the strata of ice crystals forming in the thin, frigid air at its upper levels. Deep within it, the structure of the cloud was lit by a sudden flare of sheet lightning. And then there was a single lightning bolt, an abrupt vivid streak of white light pulsing an electric moment against the black of the rain, connecting cloud and mountain slope.
