In the Plains, a low pressure system was forecast to advect in from the Rockies.    From Wordnik.com. Reference

The system also could advect minor moisture into New England and Northeastern states.    From Wordnik.com.  [SFGate: Top News Stories] Reference

One strong low pressure system was forecast to persistently advect northeast over the Southeastern states and into the Tennessee Valley and Mid-Atlantic states.    From Wordnik.com.  [SFGate: Top News Stories] Reference