1.   As the sun heats the ground, ascending currents of moistened air will cause billowing clouds to form, some of which will produce thunderstorms.

2.   A fast-moving jet stream disturbance will proceed through the Ohio Valley, causing clouds to increase across Kentucky and Ohio.

3.   A gusty wind from the north will cause low clouds and drizzle to affect portions of the California coast Monday night.

4.   A developing stream of moist air will cause clouds to increase north of the high.

5.   A weak disturbance aloft will cause billowy clouds to form over the southern Appalachians.

6.   A weak jet stream disturbance will cause patchy clouds in the Northeast this afternoon, especially near the Canadian border.

7.   A swath of somewhat drier air will cause broken clouds in the eastern Plains.

8.   Eventually, the squeezing causes the clouds of elemental particles to collapse in response to gravitational forces.

9.   Farther west, a disturbance will cause clouds to increase across the Tennessee Valley with scattered showers over the lower Mississippi Valley.

10.   Low pressure tracking east from Iowa will cause clouds to increase in the northern Ohio Valley and Michigan.