 Complete the following phrase:  There were a total of twelve tropical storms during the season, five of which were unnamed. Of all the storms, four were hurricanes. Compared to the average activity from the previous two decades, the seasons activity was below normal despite average sea surface temperatures and a normal number of tropical waves. Instead, the inactivity was the result of the subtropical ridge being located further south than normal, which decreased the atmospheric instability across much of the basin. Such a pattern was different from the more active 