1984 Sriharikota cyclone

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Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
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Tropical Cyclone 03B developed as a low-pressure area over the south-central Bay of Bengal on the morning of November 9. The storm intensified into a deep depression in the evening. It followed a west-northwestward path, becoming a tropical storm on November 10 and a cyclone on the 11th. By the evening, it had become a severe cyclonic storm. A break in the ridge brought it northward, where steering currents collapsed on 13th. The storm traveled north on the 12th, where a 11–28 km (6.8–17.4 mi)-wide eye was observed via satellite. The storm maintained a mostly stationary position during the 13th. After attaining peak winds of 100 mph (160 km/h), the cyclone looped slowly to the west and crossed Sriharikota in southern Andhra Pradesh on the 14th. It gradually dissipated on the 15th. [2] [3]

Impact

The cyclone's intensification, stall and erratic movements occurred very close to the coast, [3] which resulted in prolonged torrential rain and flooding. [2] A total of 604 people died. [4] Flooding affected a large area of Andhra Pradesh and Tamil Nadu. A storm surge of 20 ft (6.1 m) hit the nearby village of Durgarajupatnam which led to coastal inundation up to 3 km (1.9 mi) from the coast. Nearly 1,00,000 livestock were killed and 400,000 houses were destroyed in Andhra Pradesh. A 1.4 m (4 ft 7 in) surge was recorded near Gudur. In nearby Tamil Nadu, the storm brought moderate damage and killed 54 people.

In Andhra Pradesh, over 200 villages were submerged by floodwaters. Thousands of trees were uprooted. Roads and bridges were damaged while rail and electrical services were disrupted. [5] More than 70 villages around Pulicat Lake area were submerged under 10 ft (3.0 m) of water. The rough surges drowned several hundred cattle and 37 residents. There were unconfirmed reports that a village at the shore was buried along with its residents by large amounts of sand. [6]

Seventeen people died in Chennai, and 60,000 individuals who lived in huts became homeless. The cyclone was described as the worst since 1977 in the Nellore district. There, 816 villages across a 7,710 km2 (2,980 sq mi) area were struck by heavy winds up to 220 mph (350 km/h). More than 270 people died before rescuers from the Indian army arrived. Another 150,000 were made homeless. About 100 km (62 mi) north of Chennai, towers and electrical poles at the Satish Dhawan Space Centre on Sriharikota island were ripped out. [5] Villages and their residents in northern Tamil Nadu and the south Andhra Pradesh coast were left in extreme conditions. A survivor recalled having to cling onto a tree for two days to escape the water. [6]

Response

Six satellites were operating during the duration of the storm which provided warning to the area. This was in response to the 1977 cyclone, hence the death toll was lower this time. Many AIADMK ministers from Tamil Nadu had moved to New Delhi to attend to electoral matters with the Congress when the cyclone struck. Officials, food and other emergency supplies were rushed to four districts, including Nellore prior to the cyclone's arrival. Rescue operstions took place as soon as the storm subsided. [6] After the disaster, Prime Minister Rajiv Gandhi ordered an assessment team to evaluate the damage in the affected states. N. T. Rama Rao and Prime Minister Gandhi participated in an aerial survey of the area. Prime Minister Gandhi later allocated ₹100 million for relief efforts. [6]

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References

  1. ↑ "Rare Tropical Cyclone in the Gulf of Aden". National Environmental Satellite, Data, and Information Service . National Oceanic and Atmospheric Administration. 18 May 2018. Retrieved 22 August 2022.
  2. 1 2 3 4 1984 Annual Tropical Cyclone Report (PDF) (Report). Joint Typhoon Warning Center. p. 135, 145. Retrieved 22 August 2022.
  3. 1 2 Pandey, M. K.; Singh, J.; Sharma, P. C.; Niranjan, S. (1989). "Satellite and radar study of Sriharikota severe cyclonic storm of November 1984". Mausam. 40 (4): 71–80. doi: 10.54302/mausam.v40i4.2235 .
  4. ↑ Datta, Rattan K.; Indian Meteorological Society (1996). Advances in Tropical Meteorology: Meteorology and National Development. Concept Publishing Company. p. 421. ISBN   8170225329.
  5. 1 2 "India Cyclone Nov 1984 UNDRO Information Reports 1 - 2". UN Department of Humanitarian Affairs . ReliefWeb. 20 November 1984. Retrieved 22 August 2022.
  6. 1 2 3 4 Venkatramani, S.H.; Menon, Amarnath K. (15 December 1984). "37 people drown, many rendered homeless as cyclone hits Tamil Nadu". India Today . Retrieved 22 August 2022.

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1984 Sriharikota cyclone
03B 1984-11-13 1014Z.jpg
The cyclone near the east coast of India on 13 November