A multiday severe weather and flash flood threat continues on Tuesday, with millions of people across Texas and Louisiana bracing for storms that could produce baseball-sized hail, strong tornadoes and potentially life-threatening flooding.

A tornado warning was briefly in effect until 2 p.m. Friday for parts of Harris and Liberty counties in Southeast Texas, the National Weather Service said. Doppler radar indicated that at 1:37 p.m., a severe thunderstorm capable of producing a tornado was located near Crosby,