A severe thunderstorm has developed near Detroit and is expected southeast to Windsor within the next hour.
These storms are capable of producing wind gusts to 100 km/h, local torrential downpours and 3 cm hail.
Severe thunderstorms are imminent or occurring in the area.
These storms may produce large hail, damaging winds or heavy rainfall.
Remember that some severe thunderstorms can also produce tornadoes.
Monitor weather conditions and take immediate safety precautions if threatening weather approaches.