A tornado warning in effect for parts of St. Bernard and Plaquemines parishes on Sunday morning was extended until 12:15 p.m. The warning had originally been set to expire at 11:45 a.m.

That general area was later put under a flash flood warning set to expire at 3 p.m.

The National Weather Service in New Orleans issued the tornado warning at 11:16 a.m. after Doppler radar indicated that a severe thunderstorm capable of producing a tornado was near Poydras in St. Bernard, or 10 miles east of Belle Chasse in Plaquemines. The storm was moving west at 10 miles per hour, the National Weather Service said.

The communities of Belle Chasse, Chalmette, Violet, Poydras and Meraux all fell under the warning. People in the area were urged to take cover immediately.

That tornado warning was the second that affected St. Bernard and Plaquemines on Sunday morning. From about 10:04 a.m. to 10:30 a.m., a tornado warning was issued for parts of those two parishes after a severe thunderstorm capable of producing a tornado was detected 11 miles southeast of Poydras and 18 miles east of Belle Chasse.

The storm was moving west at 10 miles per hour, the National Wetaher Service’s statement said at the time.

Stormy conditions remained in the New Orleans area after the first warning in St. Bernard and Plaquemines expired.