You searched for: “antlophobia
antlophobia (s) (noun), antlophobias (pl)
An inordinate and excessive fright of floods, especially of drowning in a flood: This antlophobia is just one of many fears of natural disasters that also include hurricanes and tornadoes.

When there are any antlophobias regarding such natural threats that are considered excessive, it is still wise for everyone to take as many precautions as possible that would help them to be safe.