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100+ mm, flooding likely as storms drench Ontario

Digital writers

Monday, July 24, 2017, 10:09 AM - A potentially dangerous flood situation is shaping up in eastern Ontario, in the wake of drenching storms that brought more than 100 mm of rain before things dried out.

Rainfall warnings were still in effect in that part of the province Monday morning as the storms passed, including for Ottawa, with the deluge having begun overnight, and the rains lasting some time yet.

Forecasters say the system could bring astonishing amounts of rain in just a few hours. Kingston had already picked up 37 mm by 8 a.m., with Brockville up to 47 mm, with much more still to come.

RELATED: Excess rain has caused a rise in mould problems. Here's how to cope.

Environment Canada goes even further, saying some localized totals could approach 125 mm, particularly for areas in the St. Lawrence valley.

Aside from localized flooding from the sheer volume of rain falling in a relatively short while, watersheds are still relatively high from the overall wet summer and spring Ontario has had, so rising river levels are a concern.

WATCH BELOW: Chris St. Clair reports from Kingston

"This all comes from a stubborn retrograding low over the region that will eventually move out tomorrow," Hamilton says.

The GTA is largely safe from the rain from this system, though with a slight thunderstorm risk, with calmer weather through Wednesday.

Check back for updates

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