11.   Baldwin says weather systems are so chaotic that meteorology may always remain a maddeningly inexact science.

12.   Both ships were tied down with heavy weather mooring systems, and each will have a full crew on board throughout the storm, Mets said.

13.   A brisk jet stream will continue the quick pace of weather systems across the nation Wednesday.

14.   A complex weather system will continue to move through the Northeastern states on Thursday, bringing rapidly changing weather conditions to the area.

15.   A mini-snowfall early Friday morning, part of a different weather system, served as a kind of prelude to the storm.

16.   A large fair weather system in the southwest Atlantic will circulate unusually mild air into the Southeast.

17.   A permanent weather system known as the Bermuda high has a strong influence on summer weather in the East.

18.   A large fair weather system, crested over Wyoming, will circulate Pacific air into this region with ample sunshine and an active afternoon breeze.

19.   All weather systems around the hemisphere are connected.

20.   But a bill before Congress would allow the National Weather Service to remove a weather radar system in the northern part of the state.

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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