Silt
Constant threat
Because it use to cause heavy flooding every year.
Flash flooding is probably the greatest disaster threat in a desert.
flooding is a threat in areas of Denmark such as Jutland and along the southern coast
Constant threat
The constant hurricane threat.
constant sewage from inhabitable places.
Earthquakes
Our foreign neighbors no longer pose a constant threat to our safety.
It can be quite some time, and the flooding threat is the last threat that a hurricane will carry with it. It is often well tapped into tropical moisture, and that in addition to some convergence is all it needs to dump heavy rains for days very far inland.
They were crowded, dirty, & fires were a near constant threat.
They were crowded, dirty, & fires were a near constant threat.