The areas affected include... Port Sanilac to Port Huron MI... St. Clair River...
At 626 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds up to 33 knots and small hail. This thunderstorm was located over Port Huron, moving southeast at 15 knots.
The strong thunderstorm will be near... Port Huron around 630 PM EDT.