21.   Later Friday, potent thunderstorms will erupt near the western Gulf Coast as a jet stream disturbance passes overhead.

22.   Later Saturday afternoon, another line of very strong thunderstorms will erupt near the Appalachians as a potent jet stream disturbance passes overhead.

23.   Later Thursday, a jet stream disturbance will pass over the front, causing a few of these storms to become severe.

24.   Light snow and rain showers are expected in northern New England as a weak disturbance passes offshore.

25.   Locally heavy snow is expected in the mountains of southern Colorado as a jet stream disturbance passes overhead.

26.   Later Monday, a new area of potent thunderstorms will erupt over eastern Texas as a jet stream disturbance passes overhead.

27.   Meanwhile, a brief rain or snow shower is due in parts of upstate New York and the New England mountains as a vigorous jet stream disturbance passes.

28.   On Saturday, light snow whitened the ground across Kentucky as a strong jet stream disturbance passed overhead.

29.   Scattered strong thunderstorms erupting within the area of rain may produce a few tornadoes, as a jet stream disturbance passes overhead.

30.   Showers will dot the northern Great Lakes as a jet stream disturbance passes overhead.