51.   Clouds and widely separated showers will depart from the Northeast Coast by midday as warm and dry air flows into the region on a steady breeze from the west.

52.   Dirty screens can also obscure visibility and restrict air flow.

53.   Each outer rear passenger can now direct air flow from a shoulder-high opening.

54.   Engelhard also said its original estimates of air flow and ozone levels differed from actual levels and led to smaller improvements in smog reduction.

55.   Farther south, isolated showers or thundershowers will form in the lower Mississippi Valley as humid air flows north from the Gulf of Mexico.

56.   Florida will see more afternoon clouds and several showers will develop in a humid air flow along the Atlantic Coast.

57.   Federal meteorologists say that moist air flow should begin in a few more weeks.

58.   He had heard that some filters reduced dust but also could restrict the air flow through the furnace causing the heating system to be less efficient.

59.   He cut across and cut off my air flow.