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2004 Eastern Pacific Hurricane Season


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The National Hurricane Center's Tropical Cyclone Reports contain comprehensive information on each tropical cyclone, including synoptic history, meteorological statistics, casualties and damages, and the post-analysis best track (six-hourly positions and intensities). Tropical cyclones include depressions, storms and hurricanes. Tropical depressions listed below are those that did not reach tropical storm strength.

XML index of all Tropical Cyclone Reports


  • Tropical Storm Agatha – PDF
  • Tropical Depression Two-E – PDF
  • Tropical Storm Blas – PDF
  • Hurricane Celia – PDF
  • Hurricane Darby – PDF
  • Tropical Depression Six-E – PDF
  • Tropical Storm Estelle – PDF
  • Hurricane Frank – PDF
  • Tropical Depression Nine-E – PDF
  • Tropical Storm Georgette – PDF
  • Hurricane Howard – PDF
  • Hurricane Isis – PDF
  • Hurricane Javier – PDF
  • Tropical Storm Kay – PDF
  • Tropical Storm Lester – PDF
  • Tropical Depression Sixteen-E – PDF


East Pacific Tropical Weather Summary (2004)


Track Map for East Pacific Season 2004

Storm Number Storm Name Typea Datesb
(UTC)
Max.
Winds
(kt)
Min.
Pressure
(mb)
Accumulated
Cyclone
Energyc
(x104 kt2)
Direct
Deathsd
U.S.
Damagee
($million)
Tropical
Cyclone
Report
Status
1UnnamedTS22 May–24 May509971.1
2UnnamedTD02 Jul–03 Jul3010070.0
3UnnamedTS12 Jul–15 Jul559911.6
4UnnamedHU19 Jul–25 Jul759815.1
5UnnamedMH26 Jul–01 Aug1059579.0
6UnnamedTD01 Aug–02 Aug2510080.0
7UnnamedTS^19 Aug–24 Aug60^989^0.8
8UnnamedHU23 Aug–26 Aug759793.7
9UnnamedTD23 Aug–26 Aug3010050.0
10UnnamedTS26 Aug–30 Aug559952.9
11UnnamedMH30 Aug–05 Sep12094312.5
12UnnamedHU08 Sep–16 Sep659874.9
13UnnamedMH10 Sep–19 Sep13093027.0
14UnnamedTS04 Oct–06 Oct4010040.3
15UnnamedTS11 Oct–13 Oct4510000.5
16UnnamedTD25 Oct–26 Oct3010040.0

^ Peak Intensity Reached Outside of East Pacific


2004 East Pacific Summary
Named Storms
(vs 1991-2020 Normal)
Hurricanes
(vs 1991-2020 Normal)
Major Hurricanes
(vs 1991-2020 Normal)
Total ACE (x104 kt2)
(% Difference of 1991-2020 Normal)
Total Direct
Deaths
Total U.S.
Damagee
($million)
12 (-3) 6 (-2) 3 (-1) 69.3 (-36% ) 0 0

a Tropical depression (TD) or Subtropical Depression (SD), maximum sustained winds 33 kt or less; tropical storm (TS) or Subtropical Storm (SS), winds 34-63 kt; hurricane (HU), winds 64-95 kt; major hurricane (MH), winds 96 kt or higher.

b Dates begin at 0000 UTC and include all tropical and subtropical cyclone stages; non-tropical stages are excluded except for PTCs which have no tropical stages.

c Accumulated Cyclone Energy is an index that is defined as the sum of the squares of the maximum sustained surface wind speed (knots) measured every six hours for all named storms while they are at least tropical storm intensity. Note the ACE total in this table is only for the basin being summarized (e.g., 140°W–180° in the Central Pacific).

d Deaths occurring as a direct result of the forces of the tropical cyclone are referred to as “direct” deaths. These would include those persons who drowned in storm surge, rough seas, rip currents, and freshwater floods. Direct deaths also include casualties resulting from lightning and wind-related events (e.g., collapsing structures).

e U.S. damage totals are based on values provided by the NOAA National Centers for Environmental Information (NCEI).

Last updated: August 11, 2025




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