At 619 PM EDT, Doppler radar was tracking a strong thunderstorm capable of producing a landspout near Lakeport, moving southeast at 20 mph.
HAZARD...Landspouts and winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects.
Locations impacted include... Port Huron, Lakeport, Fort Gratiot, and North Street.