101.   Farther east, however, scattered strong thunderstorms will erupt during the heat of the afternoon, especially along the west slopes of the Appalachians.

102.   Farther north, potent thunderstorms will erupt across the lower Missouri River valley.

103.   Farther north, strong thunderstorms will erupt from eastern Arkansas to the southern Appalachians ahead of a jet-stream disturbance.

104.   Farther south, clouds will increase in Texas and a few afternoon thunderstorms may erupt in western sections.

105.   Furthermore, scattered thunderstorms will erupt from the Chesapeake Bay to the eastern Carolinas as the push of cooler air intercepts very humid air.

106.   Giant hailstones up to four inches in diameter bombarded parts of the Pacific Northwest on Sunday as severe thunderstorms erupted ahead of a potent jet stream disturbance.

107.   Further east, strong thunderstorms will erupt from eastern South Carolina to eastern Virginia as morning sunshine heats the very humid air in place.

108.   Gusty thunderstorms will erupt across the Mississippi Valley as an approaching cold front intercepts a very warm and humid air mass moving north from the Gulf States.

109.   Gusty thunderstorms will erupt over parts of Arizona and western New Mexico Friday as a potent jet stream disturbance forges east from the deserts of southern California.

110.   Here thunderstorms erupt regularly, sparked by the uneven heating of mountains and valleys.