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659
ABPZ30 KNHC 011409
TWSEP

Monthly Tropical Weather Summary
NWS National Hurricane Center Miami FL
800 AM PDT Mon Oct 1 2018

For the eastern North Pacific, east of 140 degrees west longitude:

September was slightly above average in the eastern Pacific basin in terms of the number of named storms (4), hurricanes (2), and major hurricanes (2) that formed during the month. One short-lived tropical depression also formed in September. Based on a 30-year (1981-2010) climatology, three named storms typically form in the eastern Pacific basin in September, with two of those becoming hurricanes and one reaching major hurricane intensity.

In terms of Accumulated Cyclone Energy (ACE), which measures the strength and duration of tropical storms and hurricanes, activity in the basin thus far in 2018 has been above average.

Reports on individual cyclones, when completed, are available at the National Hurricane Center website at: www.hurricanes.gov/data/tcr/index.php?season=2018&basin=epac

Summary Table

Name Dates Max Wind (mph)
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TD One-E 10-11 May 35* MH Aletta 6-11 Jun 140* MH Bud 9-15 Jun 130 TS Carlotta 14-18 Jun 65 TS Daniel 24-26 Jun 45 TS Emilia 27 Jun- 2 Jul 60* H Fabio 30 Jun- 6 Jul 110 TS Gilma 26-29 Jul 40 TD Nine-E 26-27 Jul 35* MH Hector 31 Jul-15 Aug 155** TS Ileana 4- 7 Aug 65 H John 5-10 Aug 105 TS Kristy 7-11 Aug 70 MH Lane 15-28 Aug 160** H Miriam 26 Aug- 2 Sep 100** MH Norman 28 Aug- 8 Sep 150 MH Olivia 1-13 Sep 130 TS Paul 8-12 Sep 45 TD Nineteen-E 19-20 Sep 35 MH Rosa 25 Sep- 145 TS Sergio 29 Sep- 70
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* Denotes a storm for which the post-storm analysis is complete. ** Max Wind (mph) occurred in the Central Pacific Basin.

$$ Hurricane Specialist Unit



Preliminary Eastern North Pacific Tropical Cyclone Tracks
Preliminary Eastern North Pacific Tropical Cyclone Tracks

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