Home


000
ABPZ30 KNHC 010513
TWSEP

Monthly Tropical Weather Summary
NWS National Hurricane Center Miami FL
800 AM PDT Sat Dec 1 2018

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

One tropical storm (Xavier) formed in November in the basin, and on average a tropical storm occurs once every second or third year in the month.

Overall, the 2018 eastern Pacific hurricane season featured well above average activity. There were 22 named storms, of which 12 became hurricanes and 9 became major hurricanes - category 3 or higher on the Saffir-Simpson Hurricane Wind Scale. This compares to the long-term averages of 15 named storms, 8 hurricanes, and 4 major hurricanes. There were also 3 tropical depressions that did not reach tropical storm strength. In terms of Accumulated Cyclone Energy (ACE), which measures the strength and duration of tropical storms and hurricanes, activity in the basin in 2018 was the 3rd highest on record, behind 1990 and 1992.

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)
---------------------------------------------------
TD One-E 10-11 May 35* MH Aletta 6-11 Jun 140* MH Bud 9-15 Jun 140* 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 45* 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 8-11 Sep 45 TD Nineteen-E 19-20 Sep 35* MH Rosa 25 Sep- 2 Oct 145 MH Sergio 29 Sep-12 Oct 140 TS Tara 15-16 Oct 60 TS Vicente 19-23 Oct 50 MH Willa 20-24 Oct 160 TS Xavier 2- 6 Nov 60
---------------------------------------------------


* Denotes a storm for which the post-storm analysis is complete (east of 140W, within NHC's area of responsibility). ** 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

Home