Two tropical storms have led to deadly inland flooding in the United States already this season, underscoring how dangerous water can be.

Tropical Storm Chantal might have had the perfect recipe for catching people unawares: It formed rapidly (only reaching tropical storm status on Saturday) over a holiday weekend and moved slowly while dropping torrential rain.

Tropical Storm Chantal Soaks North Carolina Heavy rains from Tropical Storm Chantal flooded homes and streets as it pushed into central North Carolina.