SARNIA, Ont. - Severe weather that rolled across southern Ontario on Sunday may have contributed to the death of a 49-year-old woman.

Provincial police say the woman from Hay Township was on a beach in Port Franks, north of Sarnia, when the stormy weather arrived.

The woman, a 30-year-old man and a dog took shelter under a rubber dingy during a period of extensive lightning.

Emergency crews were called to the scene at about 9 p.m. and took the unconscious woman to hospital, where she later died.

The man was treated for minor injuries and the dog was dead when emergency personnel arrived on the scene.

The victim's name has not yet been released.