1.   They then distort the long-wave pattern which is controlling them, causing the next short-wave disturbances to move differently.

2.   An expansive area of low clouds and scattered showers will cover the Middle Mississippi and Ohio River Valleys as a jet stream disturbance moves slowly through the region.

3.   As the disturbance moves east, showers will threaten the central and southern Rockies on Wednesday afternoon.

4.   As this disturbance moves east, snow will whiten the ground of the Cascades and eastern sections Washington.

5.   A fast-moving jet stream disturbance will move through the Great Lakes on Wednesday.

6.   A jet stream disturbance will move through the Ohio Valley as the northern section of a cold front pushes slowly eastward.

7.   A cluster of thunderstorms will drench the lower Midwest as a weak disturbance moves east from Kansas into Missouri.

8.   A moistening jet stream disturbance will move through the Southwest Thursday.

9.   A large, weak disturbance will move into California with considerable clouds and scattered showers.

10.   A late season storm will lash southern California on Thursday as a potent jet stream disturbance moves ashore from the Pacific Ocean.