At 5:26 p.m. ADT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts and heavy rain.
A line of organized thunderstorms is entering Canada near Vanceboro to north of St. Stephen, and is moving to the southeast at 40 km/h.
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Heavy rain may cause flash flooding and significant reductions to visibility.
Severe thunderstorms can produce tornadoes. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.