By Mongabay.com On Aug. 5, a flash flood devastated much of the Himalayan village of Dharali in India’s Uttarakhand state. As of Aug. 17, six people were confirmed dead, while 60-70 people remained missing.

A NEXT Weather Alert is in effect on Sunday night as multiple counties in the Philadelphia region are under a flash flood warning due to heavy rain.

The flood watch issued on Sunday remains in place through the morning, with the NWS saying new showers and storms "will lead to a chance for additional flooding and flash flooding," while also noting that the Twin Cities could be impacted during the morning commute.

Chinese state media say a flash flood has swept through a campsite in north China, killing several people and leaving others missing.

The watch was in place for Southern Blue Mountains of Oregon, John Day Basin and Ochoco-John Day Highlands.

Sudden, intense downpours over small areas known as cloudbursts are increasingly common in India’s Himalayan regions and Pakistan’s northern areas, which are prone to flash floods and landslides.

We bust out the calculators and break down how fast each version of The Flash can run, and present the final physics-defying top speed.

Be cautious, especially at night when visibility is limited. Remember, 6 inches of water will reach the bottom of most passenger cars, causing loss of control or possible stalling. Two feet of moving water can carry away most vehicles, including SUVs and pickup trucks.