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Remnants of Odette bring heavy rain, wind to Newfoundland

Sunday, September 19th 2021, 8:37 pm - What is now post-tropical storm Odette will bring heavy rain and intense winds to parts of Newfoundland.

Odette, which achieved tropical storm status on Friday, is now a post-tropical system and its remnant moisture is being picked up by a cold front. This front will interact with the moisture from the post-tropical storm to enhance the rainfall over southeastern portions of Newfoundland through the overnight hours into Monday.

Environment Canada has issued rainfall and wind warnings in parts of the island, including in the Avalon and Burin peninsulas.

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An area of rain associated directly with the storm is forecast to result in 40-75 mm, with the possibility of 90 mm through Monday morning over southeastern portions of Newfoundland. If the higher amounts materialize, some local flash-type flooding may occur in prone areas. The rain is expected to ease to showers overnight or early Monday morning.


Strong northerly wind gusts of 80-100 km/h are likely, with coastal gusts to 120 km/h over the southern Avalon Peninsula. The winds will begin to diminish late overnight and early Monday morning. There is the potential for the winds to damage trees and weakened infrastructure in the aftermath of Hurricane Larry. This could lead to additional power interruptions.

As the storm enters the southern Grand Banks, heavy wave action accompanying the winds can be expected along northeast-facing coasts in eastern Newfoundland. Waves of 2-3 metres will reach the south coast of Newfoundland Sunday evening and then increase to 3-5 metres along the east coast of the Avalon Peninsula overnight Sunday into Monday. These waves are expected to gradually subside Monday night.

As well, there will be some minor influence in Nova Scotia's weather with gusts up to 60 km/h possible in eastern Cape Breton. Some enhanced rainfall totals of around 20 to 40 mm are likely over eastern Nova Scotia.

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