Overall tropical cyclone activity during the 2013 eastern North Pacific hurricane season was below normal. Of the 18 tropical storms that formed, nine became hurricanes but only one reached major hurricane strength (category 3 or higher on the Saffir-Simpson Hurricane Wind Scale). In comparison, the 1981-2010 averages are 15 tropical storms, eight hurricanes, and four major hurricanes.
TODD B. KIMBERLAIN is a hurricane specialist at the National Hurricane Center. The cyclone summaries are based on Tropical Cyclone Reports prepared by the author, Lixion Avila, Robbie Berg, Jack Beven, Eric Blake, Daniel Brown, John Cangialosi, Richard Pasch, Stacy Stewart, and David Zelinsky. These reports are available on the Internet at www.nhc.noaa.gov/2013epac.shtml.