The areas affected include... Inner Saginaw Bay SW of Point Au Gres to Bay Port MI...
At 657 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds up to 30 knots. This thunderstorm was located 12 nm west of Pinconning, moving east at 20 knots.
The strong thunderstorm will be near... Pinconning around 720 PM EDT.