Severe Thunderstorm Watch cancelled

Update 4pm: The threat for storms is over in Montreal as the focus has shifted east and south of the city.

A severe thunderstorm watch for southern Quebec remains in effect now until 6pm. Lines of storms this morning have given way to sunny skies, it is breezy and humid with temperatures at 28C in Montreal. The threat remains for thunderstorms to develop this afternoon.

From Environment Canada...

Watches

Metro Montréal - Laval
2:23 PM EDT Monday 16 August 2010
Severe thunderstorm watch for

Weather conditions in these regions are favourable to the development of severe thunderstorms. Some of them could produce large hailstones - high winds - heavy rain, frequent lightning and significant rain amount in a short period of time. People in these regions should take the necessary precautions and listen for subsequent weather warnings, as severe weather warnings may be issued if severe weather becomes imminent.

This watch is in effect from 01:25 PM to 06:00 PM EDT.

A major and nearly stationary low pressure system is lying over Northwestern Ontario. The cold front associated with this low stretches from Gouin Reservoir to Lake Ontario and is moving slowly eastward. Ahead of the front, lines of heavy thunderstorms could redevelop at anytime today.