11.   After another very cold dawn, a warming trend will begin across the Plains states.

12.   After a cold dawn, a steady warming trend will begin in the eastern states as high pressure moves off the Atlantic Coast.

13.   After a cold morning across much of the Northeast and Middle Atlantic states, a warming trend will begin Tuesday afternoon.

14.   After a cool dawn, a strong warming trend will begin over the Northeast and Middle Atlantic states.

15.   But then an ugly trend began for Pittsburgh on offense -- Jeffcoat and Haley started getting into the Pittsburgh backfield.

16.   But the trend began to change even earlier.

17.   Carpenter said that this trend had recently begun to accelerate.

18.   Cultural trends traditionally began with the privileged classes and gravitate to the lower depths.

19.   During this decade, that trend began to slow.

20.   Even more important, Silicon Valley is seen as the spot where trends begin.