Water seeped into the first floor of the KHOU 11 building early Sunday morning forcing employees to evacuate the building.

Buffalo Bayou, across the street from the station just outside downtown, was one of many locations seeing immense flooding as Tropical Storm Harvey dumped staggering amounts of rain on the Greater Houston area.

KHOU's Len Cannon was live on air when a puddle of water started crawling toward the anchor desk during extended coverage Sunday morning.

The broadcast, along with newsroom operations, were moved to a second-floor conference room.

But this didn't last long, the water from Buffalo Bayou kept rising and the main and back entrance doors started gushing water.

An evacuation was necessary.

The station last flooded during Tropical Storm Allison in 2001.

Allison left Harris County with 22 fatalities and more than $5 billion in property damage in its wake.

KHOU had floodgates around its building.