an advanced particle accelerator malfunctions during its public unveiling, bathing the city center with a previously unknown form of radiation and creating a severe thunderstorm. Allen is struck by lightning from the storm and doused with chemicals in his lab. Awakening after a nine-month coma, he discovers he has the ability to move at superhuman speeds. Dr. Harrison Wells, the disgraced designer of the failed particle accelerator, describes Barry's special nature as "metahuman"; Allen soon discovers that he is not the only one who was changed by the radiation. Allen vows to use his gifts to protect Central City from the escalating violence of metahuman criminals. He is aided by a few close friends and associates who guard his secrets.