21.   Scientists agree that the El Nino weather event drastically altered rainfall patterns in southern Mexico and Central America.

22.   Should the cooling continue, global wind patterns will be altered this coming winter.

23.   Subdivisions can cause crop losses by altering drainage patterns in nearby fields.

24.   The Democrats are now waiting anxiously to discover whether his absence will alter that pattern.

25.   The new school year has altered this pattern, at least during weekdays, but not completely.

26.   The rains are associated with El Nino, a warming in the Pacific Ocean the causes changes in the trade winds and alters weather patterns around the Pacific region.

27.   These upsets would further alter migration patterns in unpredictable ways.

28.   Unforeseen climatic changes or events such as volcanic eruptions could alter weather patterns and bring more rain.

29.   With it, reverberation patterns are altered, but we are told that music will not necessarily be louder.

30.   As global warming is expected to alter recharge patterns, the buffering action is going to become more important.