The areas affected include... Harbor Beach to Port Sanilac MI... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Port Sanilac to Port Huron MI...
At 841 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds up to 30 knots and small hail. This thunderstorm was located near Lakeport, moving east at 35 knots.
The strong thunderstorm will be near... Lakeport around 845 PM EDT.
Additional slightly weaker storms were over the waters of southern Lake Huron.