11.  Bellenger said a cool front was expected to hit on Tuesday night, making it likely that the Australian Open would be an indoor event for one day only.

12.  A broken area of thundershowers will accompany a weak cool front in the Northeast.

13.  A broken band of clouds and light showers will precede a weakening cool front from northeastern Texas to the central and northern Mississippi Valley.

14.  A cluster of showers will move north across New England on Friday ahead of a cool front.

15.  A cool front crossing the northern Plains will promote a few showers with thunder.

16.  A cool front from Canada, tinged with the vestiges of Hurricane Erin, sent the temperature plummeting, said Fred Gadomski, a meteorologist at Pennsylvania State University.

17.  A cool front will move into the Northwest, bringing clouds and scattered showers.

18.  A band of clouds and a few light showers will accompany a cool front as it moves toward the lower Mississippi Valley.

19.  A brief shower or thunderstorm could accompany a weak cool front crossing the Appalachians and New England states.

20.  A broken band of strong thunderstorms will form along the advancing cool front from North Carolina to Georgia.