Friday, December 10, 2010

Weekend Update

Computer models are beginning to handle a little better the upcoming storm this weekend, but just a little better. Type and quantity of precipitation are still up in the air for Montreal and the valley. Today was a cold start dipping to -17C before "warming" to -15C. Temperatures will continue to warm right through the day and night up to Saturday's high of -1C. A weak Alberta Clipper will past north of the region producing just flurries, really just flurries this time and gusty southeast winds.

Our bigger storm will begin to take shape Saturday over the Midwest US and move towards the Great Lakes while rapidly deepening. It will pass very close to Montreal Sunday with secondary development possible along the east coast. Plenty of variables have to be sorted out, but it looks like a decent rain/snow event with lots of wind. It will not be until later today or even Saturday morning before we can determine the exact timing of the snow/rain and just how much. The storm will continue into Monday with colder temperatures and all precipitation back to snow. Travel will be impacted all over Ontario, Quebec, New England and New York Sunday and Monday so plan your travels accordingly. This forecast applies to Montreal and points north and west. South and east of the city, it will be a different story with much warmer temperatures and lots of rain and perhaps some freezing rain.

Stay tuned!

2 comments:

Glengarrian said...

I'm hoping that it will stay cooler so we can have some stability in the area. I would rather see snow than rain. Good call on the last storm, you were right.

SB said...

Me too, much prefer the snow. Thanks for the comment, no crystal ball here, just lots of years living in the St. Lawrence Valley watching the weather. I appreciate you reading.