The 1999 hurricane season

Every storm track on one map · Atlantic & Pacific · 30 systems

Atlantic storms
12
8 hurricanes · 5 major
Atlantic ACE
177
1991–2020 avg ≈ 123
Strongest
155 mph
Floyd
Landfalling
10
Atlantic storms
Pacific storms
9
6 hurricanes · 2 major
Pacific strongest
138 mph
Dora

TD TS Cat 1 2 3 4 5 · hover a track to highlight it, click to open the storm’s own page with an animated replay.

01 · Summary

How the 1999 season went

The 1999 Atlantic season produced 12 tropical storms, 8 hurricanes and 5 major hurricanes (Cat 3+), with an accumulated cyclone energy (ACE) of 177. The strongest was Hurricane Floyd at 155 mph / 921 mb. 10 storms made landfall.

The 1999 Eastern Pacific season (Eastern and Central Pacific) produced 9 tropical storms, 6 hurricanes and 2 major hurricanes (Cat 3+), with an accumulated cyclone energy (ACE) of 92. The strongest was Hurricane Dora at 138 mph / 943 mb. 1 storm made landfall.

02 · Timeline

Storm by storm, month by month

JUNJULAUGSEPOCTNOVTropical Storm Arlene — June 11–18, 1999Arlene TSHurricane Adrian — June 18–22, 1999Adrian Cat 2Unnamed storm #2 — July 2–3, 1999Unnamed storm #2 TDHurricane Beatriz — July 9–17, 1999Beatriz Cat 3Unnamed storm #3 — July 14–15, 1999Unnamed storm #3 TDUnnamed storm #4 — July 23–25, 1999Unnamed storm #4 TDTropical Storm Calvin — July 25–27, 1999Calvin TSUnnamed storm #6 — July 26–28, 1999Unnamed storm #6 TDHurricane Dora — August 6–23, 1999Dora Cat 4Hurricane Eugene — August 6–15, 1999Eugene Cat 2Unnamed storm #9 — August 13–15, 1999Unnamed storm #9 TDTropical Storm Fernanda — August 17–22, 1999Fernanda TSHurricane Bret — August 18–25, 1999Bret Cat 4Hurricane Cindy — August 19–31, 1999Cindy Cat 4Unnamed storm #11 — August 23–24, 1999Unnamed storm #11 TDHurricane Dennis — August 24 – September 8, 1999Dennis Cat 2Tropical Storm Emily — August 24–28, 1999Emily TSHurricane Greg — September 5–9, 1999Greg Cat 1Unnamed storm #7 — September 5–7, 1999Unnamed storm #7 TDHurricane Floyd — September 7–19, 1999Floyd Cat 4Hurricane Gert — September 11–23, 1999Gert Cat 4Hurricane Hilary — September 17–21, 1999Hilary Cat 1Tropical Storm Harvey — September 19–22, 1999Harvey TSUnnamed storm #11 — October 4–6, 1999Unnamed storm #11 TDUnnamed storm #12 — October 6–8, 1999Unnamed storm #12 TDTropical Storm Irwin — October 8–11, 1999Irwin TSHurricane Irene — October 12–19, 1999Irene Cat 2Hurricane Jose — October 17–25, 1999Jose Cat 2Tropical Storm Katrina — October 28 – November 1, 1999Katrina TSHurricane Lenny — November 13–23, 1999Lenny Cat 4

Each bar is one storm’s life, colored by its strength at that moment (faded = post-tropical). Click a bar to open the storm.

03 · Atlantic

Atlantic storms of 1999

StormDatesPeakPressureLandfallACE
Tropical Storm ArleneJun 11 – Jun 18TS 58 mph1006 mb—3.4
Unnamed storm #2Jul 2 – Jul 3TD 35 mph1004 mbyes0.0
Hurricane BretAug 18 – Aug 25Cat 4 144 mph944 mbTexas11.6
Hurricane CindyAug 19 – Aug 31Cat 4 138 mph942 mb—24.6
Hurricane DennisAug 24 – Sep 8Cat 2 104 mph962 mbBahamas, North Carolina20.2
Tropical Storm EmilyAug 24 – Aug 28TS 52 mph1004 mb—2.4
Unnamed storm #7Sep 5 – Sep 7TD 35 mph1006 mbyes0.0
Hurricane FloydSep 7 – Sep 19Cat 4 155 mph921 mbBahamas, North Carolina29.4
Hurricane GertSep 11 – Sep 23Cat 4 150 mph930 mb—42.3
Tropical Storm HarveySep 19 – Sep 22TS 58 mph994 mbFlorida1.9
Unnamed storm #11Oct 4 – Oct 6TD 35 mph1002 mb—0.0
Unnamed storm #12Oct 6 – Oct 8TD 35 mph1007 mb—0.0
Hurricane IreneOct 12 – Oct 19Cat 2 109 mph958 mbFlorida, Isla de la Juventud, Cuba, Artemisa, Cuba10.4
Hurricane JoseOct 17 – Oct 25Cat 2 98 mph979 mbAntigua and Barbuda, British Virgin Islands10.1
Tropical Storm KatrinaOct 28 – Nov 1TS 40 mph999 mbNicaragua0.2
Hurricane LennyNov 13 – Nov 23Cat 4 155 mph933 mbU.S. Virgin Islands, Sint Maarten, Saint Martin19.9

04 · Pacific

Eastern & Central Pacific storms of 1999

StormDatesPeakPressureLandfallACE
Hurricane AdrianJun 18 – Jun 22Cat 2 98 mph973 mb—5.9
Hurricane BeatrizJul 9 – Jul 17Cat 3 121 mph955 mb—17.3
Unnamed storm #3Jul 14 – Jul 15TD 35 mph——0.0
Unnamed storm #4Jul 23 – Jul 25TD 35 mph——0.0
Tropical Storm CalvinJul 25 – Jul 27TS 40 mph1005 mb—0.5
Unnamed storm #6Jul 26 – Jul 28TD 35 mph——0.0
Hurricane DoraAug 6 – Aug 23Cat 4 138 mph943 mb—43.1
Hurricane EugeneAug 6 – Aug 15Cat 2 109 mph964 mb—14.7
Unnamed storm #9Aug 13 – Aug 15TD 35 mph——0.0
Tropical Storm FernandaAug 17 – Aug 22TS 63 mph994 mb—2.1
Unnamed storm #11Aug 23 – Aug 24TD 35 mph——0.0
Hurricane GregSep 5 – Sep 9Cat 1 75 mph986 mbBaja California Sur, Mexico3.4
Hurricane HilarySep 17 – Sep 21Cat 1 75 mph987 mb—3.3
Tropical Storm IrwinOct 8 – Oct 11TS 58 mph996 mb—1.7
← Previous season1998Next season →2000

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