Effect of Global Warming on Storm Systems

Thesis: The emission of anthropogenic greenhouse gases may eventually cause global climatic changes that result in storms of increased severity.

I. Global warming has occurred in recent decades.

A. There has been a corresponding increase in the release of anthropogenic greenhouse gases.

B. These gases trap solar radiation and cause an increase in average global temperatures.

C. If current trends continue, by about the year 2030 the world's average temperature could increase by 1.3?C to 2.3?C.

II. Global warming may dramatically affect weather.

A. The impact of global climatic change on weather is difficult to determine with any degree of precision.

B. Non-uniform temperature changes could change the world's precipitation patterns.

C. Sea levels might rise, and there might be an increase in atmospheric moisture.

D. The various changes could increase storm severity. III. Global warming might affect hurricanes in particular.

A. Hurricanes could become more frequent and more severe.

B. Although there are relatively few good data on long-term climatic changes, recent storm events may be

. . .
of between 0.3?C and 0.6?C. Moreover, these increases appear to be accelerating. For example, particularly warm weather was observed as recently as the 1980s (3:77-78). It has been estimated that, if current trends continue, the combined effect of all anthropogenic greenhouse gas emissions by the year 2030 will be equivalent to a doubling of the Earth's current atmospheric CO2 concentration. Using complex, computerized models of the global climate (i.e., coupled atmospheric-ocean general circulation models or AOGCMs), scientists attempt to predict the Earth's response to such alteration. Accordingly, the researchers calculate that a doubling of atmospheric CO2 will raise the globe's average temperature by between 1.3?C and 2.3?C (5:1028). Moreover, it has been predicted that the surface temperature of the tropical Atlantic will increase by approximately 1?C to 4?C (6:175). Obviously, such significant increases in temperature would inevitably have some effect on the world's weather patterns. Unfortunately though these impacts are difficult to assess. According to David H. Bromwich of Ohio State University in Columbus, predicting the behavior of storms "is a much more challenging problem" than forecasting temperature (1:7)
. . .

Some common words found in the essay are:
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Approximate Word count = 1710
Approximate Pages = 7 (250 words per page)

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