1998 Eastern Pacific Hurricane Season

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1998 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
Hurricane Blas – PDF
Tropical Storm Celia – PDF
Hurricane Darby – PDF
Hurricane Estelle – PDF
Tropical Storm Frank – PDF
Hurricane Georgette – PDF
Hurricane Howard – PDF
Hurricane Isis – PDF
Tropical Storm Javier – PDF
Tropical Depression Twelve-E – HTML
Hurricane Kay – PDF
Hurricane Lester – PDF
Hurricane Madeline – PDF

East Pacific Tropical Weather Summary (1998)

Storm Number	Storm Name	Type^a	Dates^b (UTC)	Max. Winds (kt)	Min. Pressure (mb)	Accumulated Cyclone Energy^c (x10⁴ kt²)
1	Agatha	TS	11 Jun–16 Jun	55	993	2.2
2	Unnamed	TD	19 Jun–22 Jun	30		0.0
3	Blas	MH	22 Jun–30 Jun	120	943	19.7
4	Celia	TS	17 Jul–21 Jul	50	997	2.0
5	Darby	MH	23 Jul–01 Aug	100	958	16.5
6	Estelle	MH	29 Jul–08 Aug	115	948	14.6
7	Frank	TS	06 Aug–10 Aug	40	1001	0.8
8	Georgette	MH	11 Aug–17 Aug	100	960	11.2
9	Howard	MH	20 Aug–30 Aug	130	932	29.3
10	Isis	HU	01 Sep–03 Sep	65	988	2.7
11	Javier	TS	06 Sep–14 Sep	50	995	1.9
12	Unnamed	TD	01 Oct–03 Oct	30		0.0
13	Kay	HU	13 Oct–17 Oct	65	987	2.2
14	Lester	MH	15 Oct–26 Oct	100	965	23.7
15	Madeline	HU	16 Oct–20 Oct	75	979	5.5

1998 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. Damage^e ($million)
13 (-2)	9 (+1)	6 (+2)	132.2 (+21% )	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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