Environment Canada's tornado warning for eastern Ontario has ended. From about 3:20 until 4 p.m. the agency said a severe thunderstorm could possibly produce a tornado in communities such as Kemptville and Merrickville. It's not yet known if a tornado formed.

A tornado warning has been issued for several municipalities in eastern Ontario. Shortly before 3:30 p.m. this afternoon, Environment Canada announced that a warning is in effect for Merrickville-Wolford-Kemptville,

As of 3:18 p.m. tornado warning covers communities east of Smiths Falls.There is a severe thunderstorm warning for communities from south Ottawa to Westport.There is a severe thunderstorm watch for much of the surrounding area.