Tuesday, September 04, 2012

Heavy rain moves over region


Low pressure over upstate New York is tapping into the moisture from former Hurricane Isaac and is pelting the area tonight. The heaviest rain was expected to remain over New England but has moved into Ontario and Quebec. It was a very humid day with heavy rain in southern Ontario. That rain has now spread into Quebec with 10mm here on L'Ile Perrot to 9pm. Amounts were impressive today in Ontario with between 25 and 75mm (1 to 3 inches).

Heavy rain warnings are in effect for the area south of the St. Lawrence River to the US border. Total amounts by morning could easily exceed 50mm (2 inches) especially in places like Vaudreuil, Valleyfield and Huntingdon as well as the Eastern Townships. Some thunderstorms are also possible overnight. If that amount falls, it will be more than what had been observed during the entire month of August.

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