21.   Beneficial rains will fall over the parched Northeast on Sunday as a low pressure system approaches from the Ohio Valley.

22.   Blizzard warnings were still in effect Thursday afternoon across northeast Wyoming and western South Dakota as an intense low pressure system pressed sluggishly across the Plains.

23.   Both pressure systems are already in use in some vehicles.

24.   A Bermuda high pressure system will circulate tropical air into the southeastern states, including Florida.

25.   A complex low pressure system in the Middle West will produce widespread clouds and an area of rain in Wisconsin and Michigan.

26.   A complex low pressure system in the Northern Rockies will bring moisture from the North Pacific into the mountains.

27.   A complex low pressure system in the Rockies will weaken as it moves onto the Plains.

28.   A Bermuda high pressure system will direct the warmest air since last October into the East.

29.   A bevy of powerful thunderstorms will forge across the upper Middle West Tuesday as a potent low pressure system lifts northeast from the Nebraska-Kansas border.

30.   A developing low pressure system will cause spotty afternoon showers across the Dakotas.

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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