2001 Atlantic Hurricane Season

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2001 Atlantic 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 Allison¹ – PDF
Tropical Depression Two – PDF
Tropical Storm Barry – PDF
Tropical Storm Chantal – PDF
Tropical Storm Dean – PDF
Hurricane Erin – PDF
Hurricane Felix – PDF
Hurricane Gabrielle – PDF
Tropical Depression Nine – PDF
Hurricane Humberto – PDF
Hurricane Iris – PDF
Tropical Storm Jerry – PDF
Hurricane Karen – PDF
Tropical Storm Lorenzo – PDF
Hurricane Michelle – PDF
Hurricane Noel – PDF
Hurricane Olga – PDF

Allison updated 11 August 2011.

North Atlantic Tropical Weather Summary (2001)

Track Map for North Atlantic Season 2001

Storm Number	Storm Name	Type^a	Dates^b (UTC)	Max. Winds (kt)	Min. Pressure (mb)	Accumulated Cyclone Energy^c (x10⁴ kt²)
1	Allison	TS	05 Jun–17 Jun	50	1000	1.3
2	Two	TD	11 Jul–12 Jul	25	1010	0.0
3	Barry	TS	02 Aug–07 Aug	60	990	2.5
4	Chantal	TS	14 Aug–22 Aug	60	997	4.6
5	Dean	TS	22 Aug–28 Aug	60	994	2.9
6	Erin	MH	01 Sep–15 Sep	105	968	20.1
7	Felix	MH	07 Sep–19 Sep	100	962	15.2
8	Gabrielle	HU	11 Sep–19 Sep	70	975	6.6
9	Nine	TD	19 Sep–20 Sep	30	1005	0.0
10	Humberto	HU	21 Sep–27 Sep	90	970	9.9
11	Iris	MH	04 Oct–09 Oct	125	948	10.0
12	Jerry	TS	06 Oct–08 Oct	45	1004	1.2
13	Karen	HU	12 Oct–15 Oct	70	982	5.1
14	Lorenzo	TS	27 Oct–31 Oct	35	1007	0.7
15	Michelle	MH	29 Oct–05 Nov	120	933	15.7
16	Noel	HU	04 Nov–06 Nov	65	986	3.0
17	Olga	HU	24 Nov–04 Dec	80	973	11.1

2001 North Atlantic 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)
15 (+1)	9 (+2)	4 (+1)	110.1 (-10% )	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: September 11, 2025

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