After a bright but rather chilly weekend here in Montreal, we are heading into an active weather week. There are no majors storms on the map but lots of nuisance weather systems, the type you can expect with this kind of a fall and winter. With lots of milder air frequently surging into the southern Quebec and Ontario and cold air poised to settle south right behind it, frequent freeze and thaw cycles occur which makes driving actually more dangerous than if it was a normal winter. We will see that several times this week, as a matter fact we are already observing snow this morning. Deepening low pressure is moving across central Ontario into central Quebec this morning with some snow and rain.
A warm front is moving across the region as I write this entry with light snow in Montreal and a gusty southeast wind. Montreal is only expecting 2cm and perhaps a rain shower, but snowfall warnings are in place northeast of Montreal where 10-15cm could fall in Quebec City and points north. At -4C with a windchill of -9C it is a rather raw morning in Montreal. The front will lift north of the city this morning giving us a few hours of above normal temperatures. It is already 4C in Toronto and 0C in Ottawa, so the milder air is on the way. It will be short lived with a potent cold front passing over the area this evening with strong northwest winds up to 50km/h and showers changing to flurries with plummeting temperature to -12C by morning. Look for a rapid freeze up on area roads so watch your travel tonight. The same scenario I just described is likely to play out two or three times up to Christmas Day. In the end we will be left with more ice than snow I believe. Stay tuned on this busy travel week as I will update the blog at least twice a day. Be safe.
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