East Pacific Summary for November 2023
Monthly Summary

000 ABPZ30 KNHC 011444 TWSEP Monthly Tropical Weather Summary NWS National Hurricane Center Miami FL 800 AM PDT Wed Nov 1 2023 For the eastern North Pacific, east of 140 degrees west longitude: October activity was well above normal in the eastern Pacific basin. Five named storms formed in October, with three of these becoming major hurricanes. This activity exceeded the 30-year climatology (1991-2020) of two named storms, one of them becoming a hurricane, with a major hurricane forming one out of every two Octobers. Four of the five tropical cyclones that formed in October made landfall in Mexico, with both Lidia and Otis making landfall as major hurricanes in the Mexican states of Jalisco and Guerrero, respectively. In particular, Otis directly and severely impacted the city of Acapulco, Mexico, as a Category 5 hurricane. Norma made landfall as a hurricane just west-northwest of Cabo San Lucas in the state of Baja California Sur, and Max made landfall as a tropical storm in the state of Guerrero. The number of named storms that have formed in the basin so far in 2023 (17) is above the long-term (1991-2020) average of 14 through October. The number of hurricanes (10) is also above the long-term average of 8 through October. In terms of Accumulated Cyclone Energy (ACE), which measures the combined strength and duration of tropical storms and hurricanes, 2023 is about 20 percent above the long-term (1991-2020) average. Reports on individual cyclones, when completed, are available at the National Hurricane Center website at: www.nhc.noaa.gov/data/tcr/index.php?season=2023&basin=epac Summary Table Name Dates Max Wind (mph) --------------------------------------------------- H Adrian 27 Jun-2 Jul 105 H Beatriz 29 Jun-1 Jul 85 MH Calvin 11-19 Jul 125 TD Four-E 20-21 Jul 35* MH Dora 31 Jul-16 Aug 145 TS Eugene 5-7 Aug 70 MH Fernanda 12-17 Aug 130 TS Greg 14-17 Aug 50 MH Hilary 16-21 Aug 145 TS Irwin 27-29 Aug 45 MH Jova 4-10 Sep 160 TD Twelve-E 15-17 Sep 35 TS Kenneth 19-22 Sep 50 TD Fourteen-E 23-25 Sep 35 MH Lidia 3-11 Oct 140 TS Max 8-10 Oct 60 MH Norma 17-23 Oct 130 MH Otis 22-25 Oct 165 TS Pilar 28 Oct- 60 --------------------------------------------------- * Denotes a storm for which the post-storm analysis is complete. $$ Hurricane Specialist Unit
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