21.   A thunderstorm is even possible near the Gulf coast, where a powerful jet stream disturbance aids in lifting the warm air over the region.

22.   A thunderstorm is the only production mechanism for hail, the balls of ice that form in the rapid, turbulent motions in a cumulonimbus cloud.

23.   A small cluster of storms will drench sections of Michigan while a few large thunderstorms are likely to form in western North Dakota late in the day.

24.   A thunderstorm is possible in the hilly terrain of northern New England.

25.   A thunderstorm was a major aural event.

26.   Afternoon thunderstorms are common in July and August.

27.   Afternoon thunderstorms will be common from Florida to the central Gulf Coast.

28.   Afternoon thunderstorms will be common near the Gulf Coast as sea breezes lift the sultry air.

29.   Afternoon thunderstorms will be vigorous over the Southeast and in Texas.

30.   Afternoon thunderstorms will be common, especially near the coast.