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Toronto's July storm cost insurers $850M

The July 8 flooding that resulted from a severe thunderstorm in the GTA region was the most expensive natural disaster in Ontario history, the Insurance Bureau of Canada says.

Insurance damage costs expected to go higher, industry group warns

The July 8 flooding that resulted from a severe thunderstorm in the GTA region was the most expensive natural disaster in Ontario history, the Insurance Bureau of Canada says.

In a report today, it issued a preliminary estimate of insured property damage, pegging it at more than $850 million, but that number could rise as more claims are processed. Its press release hints that the industry may soon want to raise premiums, in the form of a warning to the Ontario goverment not to limit insurers' options.

The storm dumped 126 millimetres of rain on Toronto in a two-hour period, flooding basements, downing trees and halting both subway and airline service. The downpour was more than the amount of precipitation Toronto would get in an average July.

The resulting power outages affected at least 300,000 Toronto residents, and about 1,400 passengers were stranded for hours on a commuter train filled with water.

Ralph Palumbo, IBC vice-president for Ontario, said the industry is moving forward quickly with claims and is generally well prepared for such an event.

But he said the preliminary estimate may be low-balling the damage caused July 8.

"While these preliminary estimates are staggering, we do expect them to go even higher," he said in a press statement.

IBC does not yet have a preliminary estimate of insured damages for Alberta’s July flooding, it said in the same report.

Previously, the most severe weather events in Ontario were an Aug 19, 2005 wind and rain storm that did $671 million of damage, and a July 24-29, 2009 storm that did $228 million of damage.

Palumbo warned that the insurance industry has to be prepared for more frequent severe weather events and cautioned the Ontario government over its plans to restrict increases in insurance premiums.

A Liberal budget in April mandated a reduction in auto insurance premiums of 15 per cent.

"Damage caused by more frequent severe weather is just another situation our members must prepare for," Palumbo said. 

"The Ontario government is urged to acknowledge this and to exercise caution when it comes to imposing auto insurance premium and return-on-equity reductions without first introducing reforms that will reduce costs in the product."