Sunday, November 17, 2013

High Winds expected for St. Lawrence Valley

Strong low pressure will move from the Great Lakes today into southern Quebec overnight. An area of very strong winds will develop by midnight tonight and last a good 12 hours for Montreal. Winds of 30-50km/h will develop today ahead of a cold front associated with the storm. Those winds will increase to 50-90km/h tonight and into Monday morning with some gusts to 100km/h possible along the north shore of Lake Ontario. High Wind Warnings are in place from the southwest St. Lawrence Valley towards southwest Ontario as well as the Richelieu Valley of southern Quebec. They may be extended later today into metro Montreal. Heavy rain will also develop with the frontal passage with 15-25mm possible along with a rubble of thunder. Highs today will be warm around 13C (55F) and remain steady overnight before falling on Monday to around 5C (41F) by late in the day. It will be windy and cold Monday night with lows below freeing and a few flurries in Montreal. The cooler air is here for some time with snow even possible by next Saturday.

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