Tropical cyclones in 1977

Tropical cyclones in 1977
Tropical cyclones in 1977
Year boundaries
First system	Clarence
Formed	January 1, 1977
Last system	Bob
Dissipated	December 31, 1977
Strongest system
Name	Babe
Lowest pressure	905 mbar/hPa; 26.73 inHg
Longest lasting system
Name	Hereva
Duration	21.75 days
Year statistics
Total systems	125
Named systems	64
Total fatalities	Unknown
Total damage	Unknown
Related articles
	1977 Atlantic hurricane season ; 1977 Pacific hurricane season ; 1977 Pacific typhoon season ; 1977 North Indian Ocean cyclone season ; 1976–77 South-West Indian Ocean cyclone season ; 1977–78 South-West Indian Ocean cyclone season ; 1976–77 Australian region cyclone season ; 1977–78 Australian region cyclone season ; 1976–77 South Pacific cyclone season ; 1977–78 South Pacific cyclone season ;
	Other years ; 1975, 1976, 1977, 1978, 1979

Last updated June 30, 2021

During 1977, 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 125 tropical cyclones had formed this year to date, while a record low of 64 tropical cyclones were named.

The most active basin in the year was the Western Pacific, which, however, documented only 19 named systems, but had over 50 tropical depressions forming. Conversely, both the North Atlantic hurricane and North Indian Ocean cyclone seasons experienced very highly below the long-term average number of cyclones reaching tropical storm intensity in recorded history, both numbering 6, respectively. Activity across the southern hemisphere's three basins—South-West Indian, Australian, and South Pacific—was just almost spread evenly, with each region recording an average total of 12 tropical cyclones.

The costliest tropical cyclone of the year was Hurricane Anita in the Atlantic which struck Northern Mexico in very late August. Damages are still unknown to date, but most estimates say that Anita caused at least US$500 million in total damage. The deadliest tropical cyclone of the year was the 1977 Andhra Pradesh cyclone in the North Indian Ocean, which killed at least 10 thousand people in the state of Andhra Pradesh in India. The cyclone became the most intense cyclone to hit the state since reliable records began in 1891. It was also the third recorded Super Cyclonic Storm in the satellite era of the basin which began on 1960.

Global atmospheric and hydrological conditions

Summary

Systems

January

During January, a total of 9 tropical cyclones formed within the month with eight of those further intensifying to become official named systems. 1977 is one of only a few years to feature no storms forming in December of the previous year and dissipating in January of the listed year. Cyclone Clarence was the most intense of January, with pressure of 960 hPa, while Cyclone Irene was the strongest, with attained wind speeds of 150 kilometres per hour (93 mph).

Tropical cyclones formed in January 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
Clarence	January 1–13	130 (80)	960				^[1]
Irene	January 6–13	150 (90)	970
TD (Atring)	January 10–13	55 (35)	1004	Philippines	Unknown	None
Marion	January 11–21	110 (70)	980
June	January 16–26	120 (75)	965
Domitile	January 18–23	65 (40)	992
Emilie	January 28–February 5	100 (65)	980
Fifi	January 29–February 10	120 (75)	985
Keith	January 29–February 1	85 (50)	992

February

Tropical cyclones formed in February 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
07F
Gilda
Lily
Miles
Hereva
Nancy
Jack-Io
11F
Karen

March

Tropical cyclones formed in March 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
Otto
Norman
Pat
Leo
Patsy

April

Tropical cyclones formed in April 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
Robert
Verna

May

Tropical cyclones formed in May 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
01B				India, Bangladesh
02W (Bining)
Ava
TD (West Pacific)
Two

June

Tropical cyclones formed in June 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
Three
02A
TD
Unnumbered			Unknown
Ruth (Kuring)
Bernice
TD

July

Tropical cyclones formed in July 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
Claudia
04W (Daling)
TD
Six
Seven
Sarah (Elang)
TD
TD
Unnumbered
Thelma (Goring)
Unnumbered
Eight
Vera (Huling)
Wanda
TD
Unnumbered
Nine

August

Tropical cyclones formed in August 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
TD
TD
Doreen
TD
TD
TD
Amy (Ibiang)
TD
TD
08W
TD
TD
Anita (Eleven)
Carla (Luming)
Babe (Miling) (WPAC)

September

Tropical cyclones formed in September 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
Babe (NATL)
Clara
TD
TD
TD
Dinah (Openg)
TD
TD
Emma
Narsing
Emily
Unnumbered
Thirteen
Florence
Freda (Pining)
Unnumbered
Glenda
Dorothy
TD
TD
Unnumbered

October

Tropical cyclones formed in October 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs
Unnumbered
Gilda
Heather
Fifteen
Rubing

November

Tropical cyclones formed in November 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs

December

Tropical cyclones formed in December 1977
Storm name	Dates active	Max wind km/h (mph)	Pressure (hPa)	Areas affected	Damage (USD)	Deaths	Refs

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References

↑ Hurricane Clarence, 1–16 January. National Climatic Data Center (Report). Global tropical/extratropical cyclone climatic atlas. 1996. Retrieved January 31, 2019.

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[1] Hurricane Clarence, 1–16 January. National Climatic Data Center (Report). Global tropical/extratropical cyclone climatic atlas. 1996. Retrieved January 31, 2019.

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