Freezing Rain Warning for: St. Thomas – Aylmer – Eastern Elgin County

Issued By Environment Canada At 8:18 Pm Est Sunday 10 February 2013

Summary

Freezing rain likely tonight in South Central Ontario, spreading toward Eastern Ontario by Monday.

Details

A weather system approaching Ontario will spread precipitation into Southern Ontario tonight. A variety of precipitation types are possible, including a period of freezing rain. For Southwestern Ontario and regions inland from Lake Huron: precipitation will begin as periods of freezing rain this evening and change to rain late this evening. For regions in South Central Ontario, from the Kitchener area north to Georgian Bay and east through Orillia and the Durham region: ice pellets mixed with freezing rain will begin late this evening then change to rain by early Monday morning. A few hours of freezing rain are possible, mostly during the overnight hours. For the area extending from about Peterborough eastward through Kingston: ice pellets, possibly mixed with snow, will begin overnight and change to freezing rain before dawn. The freezing rain is then expected to change to rain mid Monday morning. Several hours of freezing rain are possible, mostly during the early m orning hours on Monday. For regions east of Georgian Bay, including the Muskoka, Haliburton and Algonquin areas: snow mixed with ice pellets will begin late tonight, with a few cm accumulation possible, then change to freezing rain overnight. The freezing rain will then change to rain on Monday morning. Several hours of freezing rain are likely, mostly during the overnight and early morning hours on Monday. For regions along the Ottawa and St Lawrence valleys: snow and ice pellets will begin toward dawn on Monday, with a few cm accumulation possible, then change to freezing rain later in the morning or early in the afternoon. The freezing rain will then change to rain either late in the afternoon or early in the evening. Around 6 hours of freezing rain are likely, from late Monday morning through early evening. By Monday night, colder air will arrive and the precipitation will change to snow flurries for all regions before ending by Tuesday morning. A further few cm accum ulation will be possible in some locales. Motorists should exercise caution, and be prepared for slippery driving conditions. Untreated roads will become icy.

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