Texas, floods
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2don MSN
In what experts call "Flash Flood Alley," the terrain reacts quickly to rainfall steep slopes, rocky ground, and narrow riverbeds leave little time for warning.
This part of Texas Hill Country is known for flash floods. Why were so many people caught off guard when the river turned violent?
Maps show how heavy rainfall and rocky terrain helped create the devastating Texas floods that have killed more than 120 people.
Flash flooding is common enough around the crescent-shaped region from Dallas through the Hill Country, the area earned the nickname "Flash Flood Alley."
The 1978 deluge began when remnants of a tropical storm crossed the Gulf of Mexico and entered Texas north of Brownsville. When it was over, 33 were dead.
3don MSN
The Guadalupe River in Texas surged 26 feet in just 45 minutes. No one saw it coming - What began as a routine flood developed into a deadly disaster, with the death toll now in triple digits
5don MSN
A swift-moving flood that swept through the Hill Country of Texas on Friday, killing at least 79 people and leaving many more missing, was a flash flood.
This map shows where camps along the Guadalupe River were impacted by the July 4 flood. Meteorologists Pat Cavlin and Kim Castro detail how it all happened.
4don MSN
In the early hours of Independence Day, rain pelted sleeping communities in central Texas. No one knew yet how devastating the storm would become.
4don MSN
Explore three decades of Guadalupe River Basin flood data by county with our interactive, searchable database.
Teens at the Pot O’ Gold Christian Camp near Comfort, Texas, were swamped by a wall of water as they tried to escape.
Flash floods last week in Texas caused the Guadalupe River to rise dramatically, reaching three stories high in just two hours