The flash: climate changeling (Titan Books)

Based on the hit TV series. To avenge the death of his brother Clyde, Mark Mardon--the Weather Wizard--escapes Iron Heights in the midst of an unnatural thunderstorm. Mark is pressed by Clyde's ghost to become stronger and stronger, until he wields enough power to destroy the entire city--and even to bring Clyde back from the dead. Original.dead. Original.