Snow Squall watch for: St. Thomas – Aylmer – Eastern Elgin County


Persistent snow squalls are expected to develop. Under the snow squall bands, visibilities will be significantly reduced due to the heavy snow combined with blowing snow, and snow will quickly accumulate. Lake effect flurries and local snow squalls are developing in the northwesterly flow across Lake Huron early this morning. The snow squalls are expected to become more intense later this morning over onshore areas south of Goderich towards Grand Bend and possibly into Eastern Lambton County. Snow squalls may penetrate as far inland as the London and Elgin areas later today or tonight. Local accumulations of up to 10 centimetres per 12 hours will be possible. Poor visibilities in snow and blowing snow could make travel hazardous.

Snow squalls cause weather conditions to vary considerably, changes from clear skies to heavy snow within just a few kilometres are common. Visibility may be suddenly reduced at times in heavy snow. If you must travel, keep others i nformed of your schedule and destination and carry an emergency kit and mobile phone. If you become stranded in a vehicle do not leave. The vehicle offers a form of protection from the cold. A single person walking through the snow is harder to find than a stranded car or truck. Public Safety Canada encourages everyone to make an emergency plan and get an emergency kit with drinking water, food, medicine, a first-aid kit and a flashlight. For information on emergency plans and kits go to Environment Canada meteorologists will update alerts as required, so stay tuned to your local media or Weatheradio. Email reports of severe weather to or tweet with the hashtag #ONStorm.

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