Fifty inches of rain would exceed any previous Texas rainfall record, the National Weather Service announced Sunday.

“The breadth and intensity of this rainfall are beyond anything experienced before,” NWS Weather Prediction Center posted on Twitter. “Catastrophic flooding is now underway and expected to continue for days.”

As of 2pm Sunday, the August rainfall total for Houston was 25.5 inches of rain, making this August the wettest month on record, surpassing June 2001, according to the NWS Houston.

More details on Houston flooding can be found here.

The Houston area weather forecast from KHOU.com: