Lake Joseph, ON

Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and large hail.

Hazards:
Strong wind gusts of 90 km/h.
Nickel size hail.
A tornado is possible.

Timing:
Tonight.

Discussion:
Thunderstorms are expected to continue tonight with strong wind gusts and hail being the primary threats. A tornado cannot be ruled out.

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Large hail can damage property and cause injury. Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles. Remember, severe thunderstorms can produce tornadoes.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.

For more information: http://www.emergencymanagementontario.ca/english/beprepared/beprepared.html.