91.   The pattern of listless weather systems will continue across much of the nation Saturday as upper-level steering winds remain weak.

92.   The pressure difference between these weather systems will transport ocean-cooled air inland from Virginia to Cape Cod.

93.   The same weather system that disrupted power through Virginia also disrupted Christmas celebrations across the South.

94.   The rise came as crops were being damaged by droughts caused by the El Nino weather system.

95.   The return circulation around this fair weather system will combine with a weak disturbance over Texas to trigger showers and a few thunderstorms in Louisiana and eastern Texas.

96.   The same weather system that may bring ice to Atlanta on Saturday could then move into the already battered interior parts of North Carolina later this weekend.

97.   The same weather system also brought much of central Tennessee to a standstill.

98.   The skies cleared when a low-pressure weather system swooped into the Gulf of Mexico to block the smoke.

99.   The speed of weather systems typically brings a change of air mass every few days.

100.   The situation also was complicated by the fact that other weather systems were supposed to move in and turn Bertha away.

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%
weather 0.60%
weather + n. >>共 494
condition 23.66%
pattern 10.02%
forecaster 5.18%
report 4.48%
phenomenon 4.36%
system 4.12%
service 3.42%
radar 2.04%
official 2.04%
problem 1.54%
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