Monday is a NEXT Weather Alert day in the Philadelphia region for tropical downpours and an elevated flash flood risk. As a cold front approaches the area, widespread showers and storms will develop in the afternoon, evening and overnight hours. Any storm could train over the same areas for an hour or more.

The deluge caused a ground stop for about an hour at PHL. The issues from the storm snowballed to cause problems for passengers on Tuesday.

A powerful round of thunderstorms is expected to hit New Jersey and eastern Pennsylvania beginning Monday afternoon, July 14, with the National Weather Service warning of flash flooding, possible power outages,

Garnet Valley High School is recovering from significant flood damage after a powerful thunderstorm hit Delaware County, Pennsylvania, last week. Wednesday's storm left multiple areas of the building under water and disrupted several summer programs.

FLOODED ROADSA band of over 3" of rain over a short period of time has fallen along Route 1 through southern Chester and Delaware Counties leading to numerous reports of flooded roadways and stranded vehicles. Avoid driving in this area. Flash flood warnings are in effect. pic.twitter.com/dh9TXhNN1c

As crews search for missing people after flash floods killed at least 120 in Texas, cities across the U.S. grapple with rising flood waters.

A Flood Watch is in effect in parts of New Jersey and Pennsylvania, with potential flash flooding from heavy rains.

The Philadelphia area is bracing for a round of incoming storms that could bring flash flooding to places along the I-95 corridor on Monday.

A water main break sent brown water gushing through a North Philadelphia neighborhood Monday morning, filling roadways and sidewalks. At least 50 properties were without water due to the break, but service has since been restored.