Tropical cyclone activity during the 2011 eastern North Pacific season was near average. Of the 11 tropical storms that formed, 10 became hurricanes and six reached major hurricane strength (category 3 or stronger on the Saffir-Simpson Hurricane Wind Scale). For comparison, the 1981-2010 averages are about 15 tropical storms, eight hurricanes, and four major hurricanes. Although the number of named storms was below average, the numbers of hurricanes and major hurricanes were above average.
ERIC S. BLAKE is a hurricane specialist at the National Hurricane Center. The cyclone summaries are based on Tropical Cyclone Reports prepared by the authors and Lixion Avila, Robbie Berg, Jack Beven, Michael Brennan, Daniel Brown, John Cangialosi, Chris Landsea, Richard Pasch, and Stacy Stewart. These reports are available on the Internet at http://www.nhc.noaa.gov/2011epac.shtml
TODD B. KIMBERLAIN is a hurricane specialist at the National Hurricane Center. The cyclone summaries are based on Tropical Cyclone Reports prepared by the authors and Lixion Avila, Robbie Berg, Jack Beven, Michael Brennan, Daniel Brown, John Cangialosi, Chris Landsea, Richard Pasch, and Stacy Stewart. These reports are available on the Internet at http://www.nhc.noaa.gov/2011epac.shtml.

