Although it was still raining, the weather service lifted a flash-flood watch for Pennsylvania counties Sunday morning.

CNN: At least 4 perish in fire in flooded Philadelphia

The problems began with torrential rains late Friday that continued into Saturday, triggering flash-flood warnings across South Texas.

CNN: SHARE THIS

On Saturday afternoon, San Antonio and Austin were under flash-flood warnings and flood watches and warnings, CNN meteorologists said.

CNN: Flooding kills 1 in San Antonio, Texas

Torrential rains overnight continued into the morning, triggering flash-flood warnings across South Texas.

CNN: Flooding kills 1 in San Antonio, Texas

The storm churned eastward, prompting severe thunderstorm and flash-flood warnings in eastern Tennessee and western portions of the Carolinas.

CNN: High winds, tornado trap Georgia residents, turn over cars

We help BNSF Railway prevent accidents by precisely informing them in sufficient time to take precautionary measures where a tornado or flash flood will occur along their right-of-way.

FORBES: Fact and Comment

Mr Willetts is not the only writer to worry about baby-boomers crashing through society like a flash flood.

ECONOMIST: Social change