Areas north of Houston and Harris County are under a tornado watch through 6 p.m. Sunday as a powerful cold front slices through Southeast Texas.

As severe weather remains possible for Southeast Texas, a tornado watch has been extended for three counties in the area. The National Weather Service Lake Charles has extended a tornado watch for Hardin,

A tornado that touched down in Brazoria County, Texas, struck some homes and other structures on Saturday, the authorities said. It was a day of tornado warnings in Texas, Louisiana and Mississippi.

Severe thunderstorms have returned to the South on Sunday prompting Tornado Watches for Arkansas, western and northern Louisiana and East and Southeast Texas.

At least four tornado sightings across Southeast Texas can be confirmed as tornadoes based on radar and public reporting on Saturday, the National Weather Service said, only days after an earlier twister outbreak on Thursday had damaged several Houston-area homes.