Ontario's eighth tornado of the season confirmed

Monday, July 28, 2014, 8:39 PM - The severe thunderstorms that created flash flooding and left thousands of residents in the dark in southern Ontario Sunday produced the region's eighth tornado of the season, Environment Canada has announced.

The twister touched down between 6 p.m. and 7 p.m. Sunday as a strong line of storms pushed through the Grand Bend area.

A survey team has confirmed that an EF1 tornado with winds between 155 and 175 kilometres per hour was generated.

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"The storm investigators found a number of trees uprooted or snapped off and damage to some hydro poles as well along the damage track," EC says in a statement released Monday evening.

"There has also been a report of one serious injury due to a fallen tree at the north end of Pinery Provincial Park along the damage path."

According to the weather agency, the length of the damage path was about 5 kilometres.

The storms hit a large swath of southern Ontario Sunday evening. Hail and heavy downpours were reported in several communities.

Ontario typically sees about 12 tornadoes between late April and early October each year.