31.   A chilly Canadian high pressure system will build into the Northeast on Saturday.

32.   A chilly rain will dampen areas from northern Ohio to western New York as an upper-level disturbance spawns a low pressure system near Pennsylvania.

33.   A cool, steady rain associated with the low pressure system will spread from northern Georgia on Monday morning to southern Virginia by afternoon.

34.   A broken area of light snow will accompany a low pressure system moving through Midwest on Friday.

35.   A large high pressure system over Utah directed very warm air from the deserts of the Southwest toward southern California.

36.   A cluster of heavier showers will accompany a weak low pressure system moving northeast into North Carolina.

37.   A huge high pressure system over the central Rockies will control the weather in the West.

38.   A large high pressure system in the upper atmosphere has combined with abundant sunshine to bring record heat to parts of the Far West.

39.   A large, complex low pressure system over the Columbia River will cause a variety of inclement weather in the West.

40.   A huge high pressure system had built over the central Rockies, and its clockwise circulation was directing much drier and eventually milder air toward the West Coast.

n. + system >>共 804
computer 5.46%
school 2.85%
defense 2.63%
missile 2.33%
justice 2.00%
pressure 1.82%
tax 1.74%
security 1.68%
cable 1.60%
control 1.49%
pressure + n. >>共 366
system 27.40%
move 6.52%
defense 3.30%
situation 3.17%
area 3.08%
tactics 2.16%
zone 1.89%
center 1.72%
trough 1.63%
drift 1.28%
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