Thursday, 15 May 2014

Warm and humid weather for Montreal

A slow moving cold front is producing severe weather in Ontario and the US Midwest. This tornado formed near Cedarville, Ohio around 6pm Wednesday. (Photo Credit: Twitter @MarkBiddinger)
A warm front lifted its way north of Montreal on Wednesday leaving behind a warm and summery air mass. We managed a warm and humid 25C (77F) yesterday and the temperature is already 18C (65F) this morning. Look for a high of 28C (83F) in Montreal and perhaps even a few degrees warmer at some other southern Quebec locations. Winds will begin to increase from the southwest between 30-50km/h today ahead of a very slow moving cold front. That front has abundant moisture and plenty of thunderstorm activity along it that will arrive some time on Friday and remain with us through Saturday night. Heavy rain, perhaps over 25mm is possible late Friday. Temperatures will be warm today (28C) and tonight (20C) and cool to around 22C on Friday. The weekend at this time does not look great with showers expected and cooler temperatures.

This cold front has been affecting southwest Ontario and western New York as well as Ohio for the last three days. Heavy rain has produced flash flooding in western New York. On Wednesday numerous tornado producing thunderstorms were reported across central Ohio. Today more severe weather is likely in Ontario as well as NY, Pennsylvania and eastern Ohio. Environment Canada has confirmed the first tornado of the year in our country, an EF-1 storm capable of winds up to 177km/h touched down around 5:15pm on Tuesday evening near Mildmay, Ontario. Tree and structural damage was reported but thankfully no injuries.

I am working on a blog entry that explains the frequency and risk of tornadoes in Canada as well as the difference between a watch and warning. I will be posting this by the weekend. Severe thunderstorm season is here, always be weather ready in the summer. Already we have seen two fatalities in southern Quebec as a result of strong winds. Two men fishing on the Lake of Two Mountains were killed last weekend when their boat capsized throwing them into the frigid waters. It is important to know the risk when you head outside each day, whether it simply be the UV index or the risk for lightning and strong winds..

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