21.   Clusters of thunderstorms will dampen the Midwest on Saturday as a large disturbance forms over Iowa.

22.   Clouds will cover the region from New Jersey to Wisconsin and southwestward to Oklahoma as a large disturbance moves slowly east across the Ozarks.

23.   Inclement weather will dominate from the eastern Rockies to the upper Great Lakes on Thursday as a large disturbance organizes over the southwest Plains.

24.   Low pressure in Kentucky is the surface reflection of a large disturbance aloft in the Ohio Valley.

25.   Low pressure in southern Arizona is the surface reflection of a very large disturbance over the Southwest.

26.   Moisture streaming eastward from a large disturbance just off the California coast will bring heavy rain to northern California and showers to the Central Valley and western Oregon.

27.   Showers and thunderstorms will dampen parts of the Southwest and Texas as a large disturbance draws on Pacific and gulf moisture.

28.   The circulation around a large disturbance off the California Coast will draw Pacific moisture into much of the West.

29.   This unseasonable weather is the result of a large disturbance that has settled over the Southwest for the weekend.

30.   Unseasonably cold air will be discharged from western Canada as a large disturbance in the jet stream develops over the northwest Plains.