ADVERTISEMENTThe storm unfolding in Houston is “beyond anything experienced,” the National Weather Service said Sunday afternoon. While the rainfall and floods soaking the region are poised to shatter records, the Houston area has become well-acquainted with this type of weather in recent years. Harvey has prompted many comparisons to Tropical Storm Allison, which in 2001 claimed 23 lives in the Houston metro area. Several factors ― both natural and manmade ― have made Houston, the fourth largest city in the U.S., a hotbed for severe rain and floods. The Houston metro area sits beside multiple waterways and sprawls out in every direction.

Source: Huffington Post August 27, 2017 19:18 UTC