Tropical cyclones in 1991

This article is missing information about all storms that formed after January. Please expand the article to include this information. Further details may exist on the talk page. (May 2022)

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Tropical cyclones in 1991

Year boundaries
First system| Alison
Formed| January 8, 1991
Last system| Bryna
Dissipated| January 10, 1992
Strongest system
Name| Yuri
Lowest pressure| 895 mbar (hPa); 26.43 inHg
Longest lasting system
Name| Nat
Duration| 19 days
Year statistics
Total systems| 100
Named systems| 75
Total fatalities| 144,609 total
Total damage| $13.71 billion (1991 USD)

Related articles

* 1991 Atlantic hurricane season
* 1991 Pacific hurricane season
* 1991 Pacific typhoon season
* 1991 North Indian Ocean cyclone season
* 1990–91 South-West Indian Ocean cyclone season
* 1991–92 South-West Indian Ocean cyclone season
* 1990–91 Australian region cyclone season
* 1991–92 Australian region cyclone season
* 1990–91 South Pacific cyclone season
* 1991–92 South Pacific cyclone season

Other years
1989, 1990, 1991, 1992, 1993

During 1991, tropical cyclones formed within seven different tropical cyclone basins, located within various parts of the Atlantic, Pacific and Indian Oceans. During the year, a total of 100 systems formed with 75 of these developing further and were named by the responsible warning centre. The strongest tropical cyclone of the year was Typhoon Yuri, which was estimated to have a minimum barometric pressure of 895 hPa (26.43 inHg). The deadliest tropical cyclone was Cyclone BOB 01, which caused 138,866 fatalities in Bangladesh, Northeastern India, Myanmar, Yunnan, while the costliest was Typhoon Mireille, which caused an estimated $10 billion USD in damage after striking Japan. Four Category 5 tropical cyclones formed in 1991.

Tropical cyclone activity in each basin is under the authority of an RSMC. The National Hurricane Center (NHC) is responsible for tropical cyclones in the North Atlantic and East Pacific. The Central Pacific Hurricane Center (CPHC) is responsible for tropical cyclones in the Central Pacific. Both the NHC and CPHC are subdivisions of the National Weather Service. Activity in the West Pacific is monitored by the Japan Meteorological Agency (JMA). Systems in the North Indian Ocean are monitored by the India Meteorological Department (IMD). The Météo-France located in Réunion (MFR) monitors tropical activity in the South-West Indian Ocean. The Australian region is monitored by five TCWCs that are under the coordination of the Australian Bureau of Meteorology (BOM). Similarly, the South Pacific is monitored by both the Fiji Meteorological Service (FMS) and the Meteorological Service of New Zealand Limited. Other, unofficial agencies that provide additional guidance in tropical cyclone monitoring include the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) and the Joint Typhoon Warning Center (JTWC).

## Global conditions and hydrological summary

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## Summary

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## Systems

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### January

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Cyclone Bella

January was the least active in terms of tropical cyclogenesis and named storms, with only three cyclones forming, two being named. Tropical Cyclone Bella caused flooding in Rodrigues.

Tropical cyclones formed in January 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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Alison | January 8 – 18  | 110 (70)  | 966  | None  | None  | None  |
01A | January 14 – 20  | 65 (40)  | 997  | None  | None  | None  |
Bella | January 18 – February 4  | 155 (100)  | 936  | Rodrigues | None  | None  |

### February

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Tropical cyclones formed in February 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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### March

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Tropical cyclones formed in March 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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### April

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Tropical cyclones formed in April 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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### May

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Tropical cyclones formed in May 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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### June

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Tropical cyclones formed in June 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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### July

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Tropical cyclones formed in July 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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Ana | 2–5 July  | 85 (50)  | 1000  | Florida, Bahamas, South Carolina | Minimal  | None  |
Two | 5–7 July  | 55 (35)  | 1007  | Mexico | Minimal  | None  |

### August

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Tropical cyclones formed in August 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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Bob | August 16–20  | 185 (115)  | 950  | North Carolina, Mid-Atlantic, New England, Atlantic Canada, Iberian Peninsula | $1.47 billion  | 17  |
Four | August 24–26  | 55 (35)  | 1007  | None  | None  | None  |
Five | August 28–31  | 55 (35)  | 1007  | None  | None  | None  |

### September

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Tropical cyclones formed in September 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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### October

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Tropical cyclones formed in October 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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### November

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Tropical cyclones formed in November 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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### December

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Tropical cyclones formed in December 1991  Storm name  | Dates active  | Max wind
km/h (mph)  | Pressure
(hPa)  | Areas affected  | Damage
(USD)  | Deaths  | Refs

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## Global effects

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Season name | Areas affected | Systems formed | Named storms | Damage (USD) | Deaths

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1991 Atlantic hurricane season | Southeastern United States, Mid-Atlantic States, New England, Atlantic Canada, Iberian Peninsula, Bermuda, East Coast of the United States, Atlantic Canada, Northeastern United States, Eastern Canada | 12  | 8  | $1.67 billion  | 30
1991 Pacific hurricane season | Southwestern Mexico, Hawaiian Islands, Clarion Island, Guadalupe Island, Southwestern United States | 16  | 14  | Un­known  | 11
1991 Pacific typhoon season 3 | Caroline Islands, Philippines, Japan, Vietnam, China, Mariana Islands, Ryukyu Islands, Taiwan, South China, South Korea, Laos, Thailand, Marshall Islands, Russia Far East, Guam | 37  | 28  | $10.1 billion  | 5,505
1991 North Indian Ocean cyclone season | Bangladesh, Northeastern India, Myanmar, Yunnan | 8  | 3  | $1.5 billion  | 138,906
1990–91 South-West Indian Ocean cyclone season 2 | Madagascar, Juan de Nova Island, Mozambique, Europa Island, Rodrigues | 7  | 7  | Un­known  | 88
1991–92 South-West Indian Ocean cyclone season 3 | Madagascar, Mauritius, Rodrigues, Réunion | 6  | 4  | Un­known  | Un­known
1990–91 Australian region cyclone season 2 | Queensland, Northern Territory, Western Australia, Papua New Guinea, Solomon Islands, Vanuatu | 9  | 7  | $1.03 million  | 50
1991–92 Australian region cyclone season 3 | None  | 1  | 1  | None  | None
1990–91 South Pacific cyclone season 2 | New Caledonia | 1  | 0  | None  | None
1991–92 South Pacific cyclone season 3 | Kiribati, Solomon Islands, Vanuatu, Tuvalu, Tokelau, Cook Islands, Wallis and Futuna, Tonga, Samoa, American Samoa, French Polynesia | 3  | 3  | $441 million  | 19
Worldwide | (See above) | 100[a] | 75 | $13.71 billion | 144,609

1. ^ The sum of the number of systems and fatalities in each basin will not equal the number shown as the total. This is because when systems move between basins, it creates a discrepancy in the actual number of systems and fatalities.

## See also

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* Tropical cyclones portal

* Tropical cyclones by year
* List of earthquakes in 1991
* Tornadoes of 1991

## Notes

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1 Only systems that formed either on or after January 1, 1991  are counted in the seasonal totals.
2 Only systems that formed either before or on December 31, 1991 are counted in the seasonal totals.
3 The wind speeds for this tropical cyclone/basin are based on the IMD Scale which uses 3-minute sustained winds.
4 The wind speeds for this tropical cyclone/basin are based on the Saffir Simpson Scale which uses 1-minute sustained winds.
5The wind speeds for this tropical cyclone are based on Météo-France which uses gust winds.

## References

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## External links

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Tropical cyclone year articles (1990–1999)

1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999

Regional Specialized Meteorological Centers

* US National Hurricane Center – North Atlantic, Eastern Pacific
* Central Pacific Hurricane Center – Central Pacific
* Japan Meteorological Agency – NW Pacific
* India Meteorological Department – Bay of Bengal and the Arabian Sea
* Météo-France – La Reunion – South Indian Ocean from 30°E to 90°E
* Fiji Meteorological Service – South Pacific west of 160°E, north of 25° S

Tropical Cyclone Warning Centers

* Meteorology, Climatology, and Geophysical Agency of Indonesia – South Indian Ocean from 90°E to 141°E, generally north of 10°S
* Australian Bureau of Meteorology (TCWC's Perth, Darwin & Brisbane) – South Indian Ocean & South Pacific Ocean from 90°E to 160°E, generally south of 10°S
* Papua New Guinea National Weather Service – South Pacific Ocean from 141°E to 160°E, generally north of 10°S
* Meteorological Service of New Zealand Limited – South Pacific west of 160°E, south of 25°S

This article incorporates public domain material from websites or documents of the National Weather Service.

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Tropical cyclones in 1991

Cyclones|

* Australian region (1990–91
* 1991–92)
* North Indian Ocean
* South-West Indian Ocean (1990–91
* 1991–92)
* South Pacific (1990–91
* 1991–92)

Hurricanes|

* Atlantic
* Pacific

Typhoons|

* Pacific

Non-seasonal lists|

* Mediterranean
* South Atlantic

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