Complex sentence: Storms have the potential to harm lives and property via storm surge, heavy rain or snow causing flooding or road impassibility, lightning, wildfires, and vertical wind shear; however, systems with significant rainfall and duration help alleviate drought in places they move through.
Split into simpler sentences: Storms have the potential to harm lives and property via storm surge, heavy rain or snow causing flooding or road impassibility, lightning, wildfires, and vertical wind shear. However, systems with significant rainfall and duration help alleviate drought in places they move through.