Monthly Tropical Weather Summary
Statement as of 8:00 am PST on December 1, 2011

for the eastern North Pacific...east of 140 degrees west longitude..

One named storm formed during the month of November...Kenneth... which became a rare late-season major hurricane. On average...since the beginning of the satellite era in 1971...a hurricane forms in the basin during November only about once every 10 years. Kenneth was the latest observed major hurricane on record in the basin in the satellite era.

During the 2011 eastern North Pacific hurricane season 11 named storms formed...of which 10 became hurricanes and 6 became major hurricanes. Two tropical depressions also formed that did not reach tropical storm strength. The long-term averages are 15 named storms...9 hurricanes and 4 major hurricanes. For 2011 the number of named storms was below the long-term average...the number of hurricanes was near average...and the number of major hurricanes was above average. In terms of accumulated cyclone energy...Ace... which measures the combined strength and duration of tropical storms and hurricanes...activity in the basin was above normal...with a value of 120 percent of the long-term median.

Reports on individual cyclones...when completed...are at the web site of the National Hurricane Center...use lower-case letters... http://www.NHC.NOAA.Gov/2011epac.Shtml

Reports on systems with an asterisk next to their name have been finalized as of 1 December.

Name dates Max wind (mph) ------------------------------------------------- *mh Adrian 7-12 Jun 140 *h Beatriz 19-22 Jun 90 *h Calvin 7-10 Jul 80 *mh Dora 18-24 Jul 155 *mh Eugene 31 Jul-6 Aug 140 ts Fernanda 15-19 Aug 65 h Greg 16-21 Aug 85 *td eight-E 31 Aug 35 mh Hilary 21-30 Sep 145 h Irwin 6-16 Oct 90 mh Jova 6-12 Oct 125 TD twelve-E 12-13 Oct 35 mh Kenneth 19-25 Nov 145

$$ hurricane specialist unit