71.   Afternoon thunderstorms will erupt over the Appalachians from Virginia to northern Georgia during the afternoon.

72.   Afternoon thunderstorms will erupt over the southern Rockies, and a few will form along the Front Range.

73.   Ahead of the front, scattered strong thunderstorms will erupt from Wyoming to Minnesota.

74.   Ahead of the front, some strong thunderstorms will erupt over the mountains of Oregon and Idaho.

75.   Along the southern flank of the front, thunderstorms will erupt across eastern New Mexico and the Texas and Oklahoma panhandles.

76.   But isolated strong thunderstorms will erupt during the heat of the afternoon, near a stationary front draped from central New York to southern New England.

77.   But the front stalled, and with moist Atlantic air flowing inland and a disturbance arriving overhead, thunderstorms erupted.

78.   By afternoon, additional thunderstorms will erupt in the Northeast as peeks of the sun warm and destabilize the muggy air.

79.   Despite chilly surface temperatures, a few solitary thunderstorms will erupt in the resulting general, broken pattern of rain across the southern Plains.

80.   During the late morning and afternoon, potent thunderstorms will erupt near the east slopes of the Appalachians.