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.
In the wake of a low pressure system, a cold west to northwest flow over Lake Superior is expected to produce flurries and local snow squalls. The squalls are likely to develop after midnight and could persist through Monday. The heaviest squalls may produce 10 to 15 cm per 12 hours along with low visibilities.
Snow squall watch in effect for:
- Agawa – Lake Superior Park
- Sault Ste. Marie – St. Joseph Island
- Searchmont – Montreal River Harbour – Batchawana Bay
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. 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 http://www.getprepared.gc.ca/
Snow Squall Watches are issued when conditions are favourable for the formation of bands of snow that could produce intense accumulating snow or near zero visibilities.