Special Weather Statement issued August 15 at 9:00PM EDT by NWS

…A LINE OF STRONG THUNDERSTORMS WILL AFFECT EASTERN CLINTON… NORTHEASTERN ESSEX…WESTERN LAMOILLE…NORTHWESTERN ADDISON…SOUTH CENTRAL GRAND ISLE…CHITTENDEN…NORTHWESTERN WASHINGTON AND SOUTH CENTRAL FRANKLIN COUNTIES… At 859 PM EDT, radar indicated strong thunderstorms were located along a line extending from near Burlington to near Waltham. Movement

Source: National Weather Service Alerts for Vermont