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Monthly Eastern North Pacific Tropical Weather Summary

ABPZ30 KNHC 010513

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:

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