Rescuers in an increasingly bleak search picked through the tornado-splintered ruins of Kentucky homes and businesses Sunday, including a candle factory that was bustling with night-shift employees when it was flattened, as the governor warned that the state’s death toll from the outbreak could top 100.

A monstrous tornado, carving a track that could rival the longest on record, ripped across the middle of the U.S. in a stormfront that killed dozens and tore apart a candle factory, crushed a nursing home, derailed a train and smashed an Amazon warehouse.