101Storms
Tropical storms and hurricanes of 1984
101 tropical storms formed worldwide in 1984: 47 became hurricanes, typhoons or cyclones and 20 reached category 3 or more. The strongest was Typhoon Vanessa, with winds of 287 km/h.
101Storms
47Hurricanes, typhoons, cyclones
20Category 3 or more
736Accumulated cyclone energy (ACE)
C5 · category 5C4 · category 4C3 · category 3C2 · category 2C1 · category 1TS · tropical stormTD · tropical depression
The strongest storms
C5Typhoon Vanessa287 km/h · Western PacificC4Typhoon Bill241 km/h · Western PacificC4Hurricane Douglas232 km/h · Eastern PacificC4Typhoon Dinah232 km/h · Western PacificC4Cyclone Kathy232 km/h · South PacificC4Typhoon Doyle232 km/h · Western PacificC4Typhoon Ike232 km/h · Western PacificC4Typhoon Agnes222 km/h · Western Pacific
By ocean basin
Western Pacific28 · 16 · 9
Eastern Pacific21 · 13 · 7
South Indian Ocean22 · 7 · 2
North Atlantic13 · 5 · 1
South Pacific13 · 4 · 1
North Indian Ocean4 · 2 · 0
Storms · Hurricanes, typhoons, cyclones · Category 3 or more — ACE
Every storm of the year
| Formed | Storms | Peak wind | Lowest pressure | Landfalls | |
|---|---|---|---|---|---|
| 2 Jan – 11 Jan | TS | Tropical Storm TimSouth Indian Ocean | 83 km/h | 980 hPa | – |
| 4 Jan – 10 Jan | TS | Tropical Storm CabotoSouth Indian Ocean | 67 km/h | 991 hPa | Madagascar |
| 11 Jan – 20 Jan | C1 | Cyclone GraceSouth Pacific | 120 km/h | 970 hPa | – |
| 16 Jan – 2 Feb | TS | Tropical Storm DomoinaSouth Indian Ocean | 102 km/h | 976 hPa | Madagascar, Mozambique |
| 19 Jan – 26 Jan | TS | Tropical Storm EdoaraSouth Indian Ocean | 67 km/h | 991 hPa | – |
| 22 Jan – 30 Jan | C1 | Cyclone Fanja:vivienneSouth Indian Ocean | 139 km/h | 975 hPa | – |
| 25 Jan – 8 Feb | TS | Tropical Storm GalySouth Indian Ocean | 67 km/h | 991 hPa | Madagascar |
| 1 Feb – 6 Feb | C1 | Cyclone BetiSouth Pacific | 120 km/h | 970 hPa | – |
| 2 Feb – 11 Feb | TS | Tropical Storm WillySouth Indian Ocean | 102 km/h | 960 hPa | – |
| 3 Feb – 23 Feb | C3 | Cyclone Annette:jaminySouth Indian Ocean | 185 km/h | 927 hPa | – |
| 3 Feb – 10 Feb | TS | Tropical Storm HarveySouth Pacific | 111 km/h | 980 hPa | New Caledonia |
| 7 Feb – 22 Feb | TS | Tropical Storm HajaSouth Indian Ocean | 83 km/h | 976 hPa | – |
| 10 Feb – 21 Feb | TS | Tropical Storm ImboaSouth Indian Ocean | 83 km/h | 976 hPa | – |
| 16 Feb – 23 Feb | C2 | Cyclone BobbySouth Indian Ocean | 157 km/h | 950 hPa | – |
| 20 Feb – 27 Feb | TS | Tropical Storm IngridSouth Pacific | 111 km/h | 975 hPa | – |
| 20 Feb – 24 Feb | TS | Tropical Storm of 20 February 1984South Pacific | 83 km/h | 987 hPa | – |
| 22 Feb – 24 Feb | TS | Tropical Storm JaminySouth Indian Ocean | 67 km/h | 1000 hPa | – |
| 25 Feb – 3 Mar | C1 | Cyclone ChloeSouth Indian Ocean | 139 km/h | 955 hPa | Australia |
| 2 Mar – 6 Mar | TS | Tropical Storm FerdinandSouth Indian Ocean | 111 km/h | 980 hPa | Australia |
| 5 Mar – 12 Mar | TS | Tropical Storm JimSouth Pacific | 83 km/h | 970 hPa | Australia |
| 6 Mar – 20 Mar | C1 | Cyclone DarylSouth Indian Ocean | 139 km/h | 955 hPa | – |
| 16 Mar – 21 Mar | TS | Tropical Storm CyrilSouth Pacific | 74 km/h | 987 hPa | – |
| 16 Mar – 24 Mar | C4 | Cyclone KathySouth Pacific | 232 km/h | 920 hPa | Australia |
| 23 Mar – 30 Mar | TS | Tropical Storm of 23 March 1984South Pacific | 74 km/h | 990 hPa | – |
| 3 Apr – 9 Apr | TS | Tropical Storm LanceSouth Pacific | 111 km/h | 980 hPa | – |
| 3 Apr – 16 Apr | C3 | Cyclone KamisySouth Indian Ocean | 185 km/h | 927 hPa | Madagascar |
| 17 May – 21 May | TS | Tropical Storm AlmaEastern Pacific | 93 km/h | – | – |
| 23 May – 28 May | TS | Tropical Storm of 23 May 1984North Indian Ocean | 83 km/h | – | Yemen |
| 28 May – 18 Jun | C1 | Hurricane BorisEastern Pacific | 120 km/h | – | – |
| 7 Jun – 11 Jun | TS | Tropical Storm VernonWestern Pacific | 74 km/h | 994 hPa | Vietnam |
| 17 Jun – 27 Jun | TS | Tropical Storm WynneWestern Pacific | 111 km/h | 980 hPa | China |
| 17 Jun – 26 Jun | C2 | Hurricane CristinaEastern Pacific | 167 km/h | – | – |
| 25 Jun – 6 Jul | C4 | Hurricane DouglasEastern Pacific | 232 km/h | – | – |
| 28 Jun – 6 Jul | C1 | Typhoon AlexWestern Pacific | 139 km/h | 960 hPa | China, South Korea, Taiwan |
| 28 Jun – 8 Jul | C4 | Hurricane ElidaEastern Pacific | 213 km/h | – | – |
| 2 Jul – 10 Jul | TS | Tropical Storm BettyWestern Pacific | 102 km/h | 985 hPa | China, Philippines |
| 3 Jul – 10 Jul | C2 | Hurricane FaustoEastern Pacific | 176 km/h | – | – |
| 4 Jul – 21 Jul | C2 | Typhoon CaryWestern Pacific | 167 km/h | 955 hPa | – |
| 7 Jul – 14 Jul | C3 | Hurricane GenevieveEastern Pacific | 185 km/h | – | – |
| 21 Jul – 2 Aug | C4 | Typhoon DinahWestern Pacific | 232 km/h | 915 hPa | – |
| 24 Jul – 3 Aug | C3 | Typhoon EdWestern Pacific | 185 km/h | 950 hPa | China |
| 27 Jul – 1 Aug | TS | Tropical Storm HernanEastern Pacific | 83 km/h | – | – |
| 1 Aug – 19 Aug | TS | Tropical Storm FredaWestern Pacific | 102 km/h | 985 hPa | China, Taiwan |
| 3 Aug – 12 Aug | C4 | Hurricane IselleEastern Pacific | 213 km/h | – | – |
| 12 Aug – 23 Aug | C1 | Typhoon HollyWestern Pacific | 139 km/h | 960 hPa | Japan |
| 14 Aug – 24 Aug | TS | Tropical Storm GeraldWestern Pacific | 102 km/h | 980 hPa | China, South Korea |
| 15 Aug – 20 Aug | TS | Tropical Storm JulioEastern Pacific | 102 km/h | – | – |
| 16 Aug – 22 Aug | C3 | Hurricane KeliEastern Pacific | 185 km/h | – | – |
| 16 Aug – 21 Aug | TS | Tropical Storm KennaEastern Pacific | 93 km/h | – | – |
| 18 Aug – 21 Aug | TS | Tropical Storm of 18 August 1984North Atlantic | 93 km/h | 1000 hPa | – |
| 23 Aug – 24 Aug | TD | Tropical Depression HollyWestern Pacific | – | – | – |
| 23 Aug – 2 Sept | TS | Tropical Storm LalaEastern Pacific | 83 km/h | – | – |
| 25 Aug – 3 Sept | TS | Tropical Storm JuneWestern Pacific | 111 km/h | 985 hPa | China, Philippines |
| 26 Aug – 6 Sept | C4 | Typhoon IkeWestern Pacific | 232 km/h | 950 hPa | China, Philippines |
| 26 Aug – 30 Aug | C1 | Hurricane LowellEastern Pacific | 139 km/h | – | – |
| 28 Aug – 5 Sept | TS | Tropical Storm ArthurNorth Atlantic | 83 km/h | 1004 hPa | – |
| 30 Aug – 4 Sept | TS | Tropical Storm BerthaNorth Atlantic | 65 km/h | 1007 hPa | – |
| 31 Aug – 2 Sept | TS | Tropical Storm CesarNorth Atlantic | 93 km/h | 989 hPa | – |
| 3 Sept – 5 Sept | TS | Tropical Storm MokeEastern Pacific | 83 km/h | – | – |
| 5 Sept – 11 Sept | C1 | Hurricane MarieEastern Pacific | 148 km/h | – | – |
| 8 Sept – 16 Sept | C4 | Hurricane DianaNorth Atlantic | 213 km/h | 949 hPa | United States |
| 11 Sept – 19 Sept | C1 | Typhoon KellyWestern Pacific | 139 km/h | 965 hPa | – |
| 14 Sept – 15 Sept | TS | Tropical Storm EdouardNorth Atlantic | 102 km/h | 998 hPa | – |
| 14 Sept – 26 Sept | C4 | Hurricane NorbertEastern Pacific | 213 km/h | – | – |
| 15 Sept – 20 Sept | TS | Tropical Storm FranNorth Atlantic | 102 km/h | 994 hPa | – |
| 16 Sept – 19 Sept | TS | Tropical Storm GustavNorth Atlantic | 83 km/h | 1006 hPa | – |
| 17 Sept – 23 Sept | C2 | Hurricane OdileEastern Pacific | 167 km/h | – | Mexico |
| 22 Sept – 27 Sept | TS | Tropical Storm LynnWestern Pacific | 74 km/h | 998 hPa | – |
| 23 Sept – 2 Oct | C1 | Hurricane HortenseNorth Atlantic | 120 km/h | 993 hPa | – |
| 25 Sept – 1 Oct | TS | Tropical Storm IsidoreNorth Atlantic | 93 km/h | 999 hPa | United States |
| 26 Sept – 2 Oct | TS | Tropical Storm NinaWestern Pacific | 102 km/h | 992 hPa | – |
| 26 Sept – 3 Oct | C3 | Hurricane PoloEastern Pacific | 185 km/h | – | Mexico |
| 26 Sept – 2 Oct | TS | Tropical Storm MauryWestern Pacific | 111 km/h | 990 hPa | – |
| 3 Oct – 10 Oct | C1 | Typhoon OgdenWestern Pacific | 130 km/h | 980 hPa | – |
| 7 Oct – 14 Oct | C1 | Typhoon PhyllisWestern Pacific | 148 km/h | 975 hPa | – |
| 7 Oct – 21 Oct | C2 | Hurricane JosephineNorth Atlantic | 167 km/h | 965 hPa | – |
| 7 Oct – 16 Oct | TS | Tropical Storm RachelEastern Pacific | 102 km/h | – | – |
| 9 Oct – 14 Oct | TS | Tropical Storm RoyWestern Pacific | 65 km/h | 996 hPa | – |
| 10 Oct – 15 Oct | TS | Tropical Storm SusanWestern Pacific | 74 km/h | 996 hPa | Vietnam |
| 10 Oct – 15 Oct | TS | Tropical Storm of 10 October 1984North Indian Ocean | 83 km/h | – | India |
| 16 Oct – 25 Oct | C4 | Typhoon ThadWestern Pacific | 222 km/h | 935 hPa | – |
| 17 Oct – 2 Nov | C1 | Typhoon WarrenWestern Pacific | 120 km/h | 975 hPa | Philippines, Vietnam |
| 20 Oct – 31 Oct | C5 | Typhoon VanessaWestern Pacific | 287 km/h | 880 hPa | – |
| 28 Oct – 9 Nov | C4 | Typhoon AgnesWestern Pacific | 222 km/h | 925 hPa | Philippines, Vietnam |
| 31 Oct – 8 Nov | TS | Tropical Storm SimonEastern Pacific | 102 km/h | – | – |
| 5 Nov – 13 Nov | C1 | Hurricane KlausNorth Atlantic | 148 km/h | 971 hPa | Puerto Rico |
| 8 Nov – 23 Nov | C4 | Typhoon BillWestern Pacific | 241 km/h | 910 hPa | – |
| 9 Nov – 15 Nov | C2 | Cyclone of 9 November 1984North Indian Ocean | 157 km/h | – | India |
| 9 Nov – 17 Nov | TS | Tropical Storm of 9 November 1984South Indian Ocean | 83 km/h | – | – |
| 12 Nov – 23 Nov | C3 | Typhoon ClaraWestern Pacific | 204 km/h | 940 hPa | – |
| 20 Nov – 23 Nov | TS | Tropical Storm AnetySouth Indian Ocean | 67 km/h | 1003 hPa | Madagascar |
| 27 Nov – 8 Dec | C1 | Cyclone of 27 November 1984North Indian Ocean | 139 km/h | – | India, Somalia |
| 1 Dec – 12 Dec | C4 | Typhoon DoyleWestern Pacific | 232 km/h | 940 hPa | – |
| 2 Dec – 12 Dec | TS | Tropical Storm BobalahySouth Indian Ocean | 102 km/h | 984 hPa | – |
| 3 Dec – 13 Dec | TS | Tropical Storm EmmaSouth Indian Ocean | 83 km/h | 967 hPa | Australia |
| 8 Dec – 13 Dec | TS | Tropical Storm of 8 December 1984South Indian Ocean | 65 km/h | – | Australia |
| 12 Dec – 24 Dec | C1 | Hurricane LiliNorth Atlantic | 130 km/h | 980 hPa | – |
| 19 Dec – 28 Dec | C1 | Cyclone FrankSouth Indian Ocean | 139 km/h | 950 hPa | Australia |
| 25 Dec – 3 Jan | C1 | Cyclone MonicaSouth Pacific | 130 km/h | 982 hPa | – |
| 26 Dec – 29 Dec | TS | Tropical Storm of 26 December 1984South Pacific | 83 km/h | 987 hPa | – |
| 26 Dec – 30 Dec | TS | Tropical Storm of 26 December 1984South Pacific | 83 km/h | – | – |