1.   In the Southeast States, isolated heavy thunderstorms will flare in the humid heat of the afternoon near the Carolina and Georgia coasts.

2.   Isolated heavy thunderstorms will flare in Florida in concert with sea-breeze fronts moving inland, while another cluster of storms fires in the central Gulf Coast states.

3.   Isolated thunderstorms will flare in New Mexico and Arizona in response to the high-altitude pool of cold air associated with the upper-level low.

4.   Late-afternoon and evening thunderstorms will flare over the high ground of the Southwest as tropical moisture holds steady.

5.   Meanwhile, isolated but large thunderstorms will flare over parts of eastern Florida.

6.   Meanwhile, thunderstorms will flare over the northern high plains from western Nebraska and eastern Wyoming to the western Dakotas and eastern Montana.

7.   Thunderstorms will flare over parts of the Carolinas and Georgia as a compact but potent jet stream disturbance works in tandem with a stalled front to lift moist air.