1963 North Indian Ocean cyclone season

The 1963 North Indian Ocean cyclone season had no bounds, but cyclones tend to form between April and December, with peaks in May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean. There are two main seas in the North Indian Ocean—the Bay of Bengal to the east of the Indian subcontinent and the Arabian Sea to the west of India. The official Regional Specialized Meteorological Centre in this basin is the India Meteorological Department (IMD), while the Joint Typhoon Warning Center releases unofficial advisories. An average of four to six storms form in the North Indian Ocean every season with peaks in May and November.[1] Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.[2]

1963 North Indian Ocean cyclone season
Season summary map
Seasonal boundaries
First system formedJanuary 3, 1963
(record earliest)
Last system dissipatedDecember 7, 1963
Strongest storm
NameThree
 • Maximum winds240 km/h (150 mph)
 • Lowest pressure920 hPa (mbar)
Seasonal statistics
Depressions17
Deep depressions11
Cyclonic storms6
Very severe cyclonic storms4
Total fatalitiesAt least 11,735
Total damageUnknown
Related articles

Systems

Deep Depression One
Deep depression (IMD)
 
DurationJanuary 3 – January 5
Peak intensity45 km/h (30 mph) (3-min);

[3]

Extremely Severe Cyclonic Storm Two
Extremely severe cyclonic storm (IMD)
 
DurationMay 18 – May 29
Peak intensity195 km/h (120 mph) (3-min);
947 hPa (mbar)

On May 19, a tropical disturbance formed over the Laccadive Islands, before tracking northwest towards the Arabian peninsula. The system achieved cyclone intensity on May 22. On May 24, a United States Weather Bureau reconnaissance aircraft flew into the 19 km (12 mi) eye of the storm, encountering winds of 193 km/h (120 mph).[4] A ship 111 kilometres (69 mi) west of the system reported winds of 68 knots (126 km/h). At Salalah, a strong northerly wind set in during the morning of May 25. Later in the day, winds increased to gale force and a sandstorm reduced visibility to 400 metres (1,300 ft). Later in the day of May 26 winds again increased to gale force and another sandstorm reduced visibility to 500 metres (1,600 ft). As winds increased to 60 knots (110 km/h) the sandstorm became more severe, with visibility restricted to 50 metres (160 ft). Late on the night of the 26th, winds shifted to northeast and heavy rains fell across the region through the morning hours. Skies remained cloudy with periods of rain into May 28. A total of 230 millimetres (9.1 in) was recorded at Salalah.[5][6] An estimated 22,000 people were reported to have died, while a further 500,000 were left homeless.[7]

Super Cyclonic Storm Three
Super cyclonic storm (IMD)
 
DurationMay 25 – May 29
Peak intensity240 km/h (150 mph) (3-min);
920 hPa (mbar)

One of the strongest cyclones ever recorded in the Northern Indian Ocean. Had the lowest known pressure in the basin until it was surpassed by the 1991 Bangladesh cyclone.[8] Killed 11,520 people in Bangladesh.[9]

Deep Depression Four
Deep depression (IMD)
 
DurationJune 6 – June 8
Peak intensity55 km/h (35 mph) (3-min);
991 hPa (mbar)

Produced torrential rains over parts of eastern India, peaking at 910 mm (36 in) in Cherrapunji.[10]

Depression Five
Depression (IMD)
 
DurationJune 24 – June 26
Peak intensity45 km/h (30 mph) (3-min);
999 hPa (mbar)

[11]

Depression Six
Depression (IMD)
 
DurationJuly 4 – July 6
Peak intensityWinds not specified;

[12]

Depression Seven
Depression (IMD)
 
DurationAugust 9 – August 14
Peak intensity45 km/h (30 mph) (3-min);
991 hPa (mbar)

[13]

Deep Depression Eight
Deep depression (IMD)
 
DurationSeptember 7 – September 16
Peak intensity45 km/h (30 mph) (3-min);
990 hPa (mbar)

Heavy rains from the storm triggered severe flooding that killed at least 200 people.[14]

Deep Depression Nine
Deep depression (IMD)
 
DurationSeptember 25 – September 28
Peak intensity55 km/h (35 mph) (3-min);
996 hPa (mbar)

At least 15 people were killed by flooding triggered by the depression in Orissa.[15]

Depression Ten
Depression (IMD)
 
DurationOctober 5 – October 7
Peak intensity55 km/h (35 mph) (3-min);
995 hPa (mbar)

Some loss of life was reported in East Pakistan.[16]

Cyclonic Storm Eleven
Cyclonic storm (IMD)
 
DurationOctober 13 – October 17
Peak intensity75 km/h (45 mph) (3-min);
999 hPa (mbar)

[17]

Very Severe Cyclonic Storm Twelve
Very severe cyclonic storm (IMD)
 
DurationOctober 19 – October 24
Peak intensity150 km/h (90 mph) (3-min);
984 hPa (mbar)

Significant damage and flooding took place in India, with some loss of life reported.[18]

Depression Thirteen
Depression (IMD)
 
DurationOctober 24 – October 26
Peak intensity55 km/h (35 mph) (3-min);

[19]

Very Severe Cyclonic Storm Fourteen
Very severe cyclonic storm (IMD)
 
DurationOctober 26 – October 27
Peak intensity130 km/h (80 mph) (3-min);
995 hPa (mbar)

[20]

Depression Fifteen
Depression (IMD)
 
DurationNovember 24 – November 25
Peak intensity45 km/h (30 mph) (3-min);

[21]

Cyclonic Storm Sixteen
Cyclonic storm (IMD)
 
DurationNovember 30 – December 7
Peak intensity65 km/h (40 mph) (3-min);
1002 hPa (mbar)

[22]

Deep Depression Seventeen
Deep depression (IMD)
 
DurationDecember 1 – December 4
Peak intensity55 km/h (35 mph) (3-min);
1004 hPa (mbar)

[23]

See also

References
  1. "IMD Cyclone Warning Services: Tropical Cyclones". India Meteorological Department. Archived from the original on 4 November 2008. Retrieved May 10, 2013.
  2. "Report on Cyclonic Disturbances Over the North Indian During 2008". India Meteorological Department. January 2009. Archived from the original (PDF) on May 29, 2009. Retrieved May 10, 2013.
  3. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Deep depression in the Bay of Bengal" (PDF). India Weather Review: 1–2. Retrieved May 13, 2013.
  4. David Membery (July 2002). "Monsoon tropical cyclones: Part 2". Weather. 57 (7): 246–255. Bibcode:2002Wthr...57..246M. doi:10.1256/004316502760195911.
  5. David Membery (July 2002). "Monsoon Tropical Cyclones: Part 2". Weather. Royal Meteorological Society. 57 (7): 247–255. Bibcode:2002Wthr...57..246M. doi:10.1256/004316502760195911.
  6. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Severe cyclonic storm in the Arabian Sea" (PDF). India Weather Review: 2–5. Retrieved May 13, 2013.
  7. "Pakistan 1963". poot.montanapetroleum.org. Retrieved 18 July 2022.
  8. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Severe cyclonic storm in the Bay of Bengal" (PDF). India Weather Review: 6–9. Retrieved May 13, 2013.
  9. Neil L. Frank; S. A. Husain; National Hurricane Center, Pakistan Meteorological Department (June 1971). "The Deadliest Tropical Cyclone in History?". Bulletin of the American Meteorological Society. 52 (6): 438–444. Bibcode:1971BAMS...52..438F. doi:10.1175/1520-0477(1971)052<0438:TDTCIH>2.0.CO;2.
  10. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Deep depression in the Bay of Bengal" (PDF). India Weather Review: 9–11. Retrieved May 13, 2013.
  11. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review: 11–12. Retrieved May 13, 2013.
  12. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review: 12. Retrieved May 13, 2013.
  13. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review: 12–13. Retrieved May 13, 2013.
  14. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Deep depression in the Bay of Bengal" (PDF). India Weather Review: 13–14. Retrieved May 13, 2013.
  15. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Deep depression in the Bay of Bengal" (PDF). India Weather Review: 15. Retrieved May 13, 2013.
  16. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review: 16. Retrieved May 13, 2013.
  17. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Cyclonic storm in the Arabian Sea" (PDF). India Weather Review: 16–18. Retrieved May 13, 2013.
  18. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Severe cyclonic storm in the Bay of Bengal" (PDF). India Weather Review: 18–19. Retrieved May 13, 2013.
  19. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review: 20. Retrieved May 13, 2013.
  20. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Severe cyclonic storm in the Bay of Bengal" (PDF). India Weather Review: 20–22. Retrieved May 13, 2013.
  21. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Depression in the Arabian Sea" (PDF). India Weather Review: 22. Retrieved May 13, 2013.
  22. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Cyclonic storm in the Arabian Sea" (PDF). India Weather Review: 22–24. Retrieved May 13, 2013.
  23. India Meteorological Department (1963). "Annual Summary — Storms & Depressions: Deep depression in the Bay of Bengal" (PDF). India Weather Review: 24–26. Retrieved May 13, 2013.
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