Severe Thunderstorm Warning for Southern Ontario

This alert expired on Jul 20, 2013 3:31 AM EDT ·
This alert has been updated.
Alert area: Rodney - Shedden - Western Elgin County; Watford - Pinery Park - Eastern Lambton County; Simcoe - Delhi - Norfolk; Sarnia - Petrolia - Western Lambton County; Chatham-Kent - Rondeau Park; Windsor - Leamington - Essex County; Woodstock - Tillsonburg - Oxford County; St. Thomas - Aylmer - Eastern Elgin County; Strathroy - Komoka - Western Middlesex County; London - Parkhill - Eastern Middlesex County
Posted Jul 20, 2013 2:31 AM EDT
Severe thunderstorms have weakened or moved out of the area.