If in the years 2013, 2014, and 2015, in the five states shown, the number of severe weather events followed the same pattern as in 2014, but there were 25 percent more flash floods and tornadoes in 2014 than in 2013 and, from 2014 to 2015, the number of flash floods increased by one-third, and the number of tornadoes increased by about one-half, about how many more severe weather events occurred in August 2015 than in August 2013?
A. 5
B. 23
C. 27
D. 33
E. 56
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