Parts of Southeast Texas northeast of Houston are under a tornado watch Friday until 7 p.m., the National Weather Service said. Doppler weather radar at 12:30 p.m. was showing a cluster of strong to severe thunderstorms moving north,

Friday afternoon through Friday night, locally heavy rainfall is possible with one to three inches expected and up to five inches possible.

The Storm Prediction Center in Houston/Galveston has issued a tornado watch for 13 counties in east and southeast Texas, including parts north and east of Harris County. It is in effect until 7 p.m. Angelina,

Waves of downpours and thunderstorms continue across South Texas, driving a flooding and severe weather risk through late Friday. Some places could see up to a foot of rainfall, while others may face a low-end tornado risk.

South Texas is trying to dry out after severe thunderstorms flooded streets and had authorities conducting more than 50 water rescues as many drivers were forced to abandon their vehicles on roadways and parking lots as some areas were inundated with a foot of rain.

About 47 million people faced an enhanced to moderate severe storm threat from Madison, Wisconsin, to Birmingham, Alabama.