Special Weather Statement issued September 04 at 8:50AM EDT by NWS

…A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN CLINTON… NORTHEASTERN ESSEX…LAMOILLE…WEST CENTRAL CALEDONIA…WESTERN ORLEANS…SOUTHERN GRAND ISLE…CHITTENDEN AND CENTRAL FRANKLIN COUNTIES… At 849 AM EDT, a strong thunderstorm was located near South Burlington, moving northeast at 55 mph.

Source: National Weather Service Alerts for Vermont