Tuesday, August 09, 2011

From drought to flood

Flooding along Lakeshore Drive in Toronto today. (CTV.ca)

Low pressure over Ontario is spinning its way east this evening into southern Quebec. Warm and humid air in place is providing the fuel for very heavy rain. Radar at 8pm is showing rain with embedded thunderstorms moving over northern New York State and the St. Lawrence Valley of Ontario and lifting north into southern Quebec. A special weather statement has been issued from both the National Weather Service and Environment Canada for 1 to 2 inches (25-50mm) of rain locally overnight. The rain will be very heavy at times in thunderstorms. The same system produced flooding in portions of Ontario today including the GTA and points east towards Belleville and Kingston. The threat for showers and storms will persist into Wednesday.

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