21.   At the same time, the weather systems that can draw warm air northward are at their strongest.

22.   Before lighting the fire it is also a good idea to warm the flue, to draw more air through the fireplace.

23.   Behind the cold front, gusty breezes from the northwest will draw cooler air from the western Great Lakes through the Ohio Valley to the interior Southeast.

24.   A broad flow from the south will draw moist air northward through the western Mississippi Valley.

25.   A few inches of snow will fall Thursday afternoon and evening across northern New England as chilly air is drawn into the low pressure area.

26.   A hand-held device being tested contains a small pump that draws air containing TNT vapor from the ground across an amplifying fluorescent polymer.

27.   A fresh breeze from the northwest in the wake of the disturbance will draw colder air into the interior Northeast.

28.   A condenser fan, in front of the coils, draws air from the side vents and blows it across the condenser coils.

29.   A few showers could develop from Iowa to the western Great Lakes later Wednesday as a low pressure area draws moist air north from the Mississippi Valley.

30.   A new disturbance developing over northern Texas will draw humid air into the lower Mississippi Valley.