The coated material in the original jacket, designed for use in a prolonged heavy rain, is waterproof.

Extensive floods are now uncommon and short-lived, occurring only in times of heavy and prolonged rain.

By this time, the storm began to interact with a front, producing a large area of prolonged heavy rain well inland in the Appalachian Mountains.

Large floods can also be caused by prolonged heavy rains.

But mold spores are at high levels, as expected after prolonged rain.

The air was as clear as the air only is after prolonged rain.

The ground was so saturated with water from the prolonged rain that each step made him sink down.

The heavy and prolonged rain since several days ago and disturbance on the up-slope also attributed to the occurrence of the tragedy.

In spring and fall, longer events of prolonged, lighter rain bring most of the precipitation.

During prolonged heavy rain, relative humidity often reaches 100%.