1999 Atlantic Hurricane Season

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1999 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 Arlene – PDF
Tropical Depression Two – PDF
Hurricane Bret – PDF
Hurricane Cindy – PDF
Hurriacne Dennis – PDF
Tropical Storm Emily – PDF
Tropical Depression Seven – PDF
Hurricane Floyd¹ – PDF
Hurricane Gert – PDF
Tropical Storm Harvey – PDF
Tropical Depression Eleven – PDF
Tropical Depression Twelve – PDF
Hurricane Irene – PDF
Hurricane Jose – PDF
Tropical Storm Katrina – PDF
Hurricane Lenny – PDF

Floyd updated 09 September 2014

North Atlantic Tropical Weather Summary (1999)

Track Map for North Atlantic Season 1999

Storm Number	Storm Name	Type^a	Dates^b (UTC)	Max. Winds (kt)	Min. Pressure (mb)	Accumulated Cyclone Energy^c (x10⁴ kt²)
1	Arlene	TS	11 Jun–18 Jun	50	1006	3.4
2	Unnamed	TD	02 Jul–03 Jul	30		0.0
3	Bret	MH	18 Aug–25 Aug	125	944	11.6
4	Cindy	MH	19 Aug–31 Aug	120	942	24.6
5	Dennis	HU	24 Aug–07 Sep	90	962	20.2
6	Emily	TS	24 Aug–28 Aug	45	1004	2.4
7	Unnamed	TD	05 Sep–07 Sep	30		0.0
8	Floyd	MH	07 Sep–17 Sep	135	921	29.4
9	Gert	MH	11 Sep–23 Sep	130	930	42.3
10	Harvey	TS	19 Sep–22 Sep	50	994	1.9
11	Unnamed	TD	04 Oct–06 Oct	30		0.0
12	Unnamed	TD	06 Oct–08 Oct	30		0.0
13	Irene	HU	13 Oct–19 Oct	95	958	10.4
14	Jose	HU	17 Oct–25 Oct	85	979	10.1
15	Katrina	TS	28 Oct–01 Nov	35	999	0.2
16	Lenny	MH	13 Nov–23 Nov	135	933	19.9

1999 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)
12 (-2)	8 (+1)	5 (+2)	176.5 (+44% )	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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