1961 North Indian Ocean cyclone season

1961 North Indian Ocean cyclone season
Season summary map
Seasonal boundaries
First system formed January 9, 1961
Last system dissipated October 25, 1961
Strongest storm
Name Three
 • Maximum winds 95 km/h (60 mph)
 • Lowest pressure 980 hPa (mbar)
Seasonal statistics
Depressions 18
Deep depressions 8
Cyclonic storms 5
Very severe cyclonic storms 2
Total fatalities 11,525 total
Total damage Unknown
Related articles

The 1961 North Indian Ocean cyclone season had no bounds, but cyclones tend to form between April and December, with peaks in May and November. The season has no official bounds but cyclones tend to form between April and December. 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]

Systems

Depression One

Depression (IMD)
 
Duration January 9 – January 11
Peak intensity 55 km/h (35 mph) (3-min)  1006 hPa (mbar)

A depression developed on January 9. It cut across northern Sri Lanka and southern India before dissipating on January 11.[3]

Deep Depression Two

Deep Depression (IMD)
 
Duration February 18 – February 21
Peak intensity 75 km/h (45 mph) (3-min)  1006 hPa (mbar)

A deep depression developed in the Bay of Bengal on February 18. It moved generally northward and dissipated on February 21.[4]

Severe Cyclonic Storm Three (Winnie)

Severe cyclonic storm (IMD)
Category 2 tropical cyclone (SSHWS)
 
Duration May 5 – May 9
Peak intensity 95 km/h (60 mph) (3-min)  980 hPa (mbar)

[5]

From May 6–9, the JTWC tracked this system as Tropical Storm Winnie.[6] The National Oceanic and Atmospheric Administration (NOAA) estimated that the storm attained peak one-minute winds of 155 km/h (100 mph).[7]

In East Pakistan, 11,468 people were killed.[8]

There was also a C5 typhoon in 1997,also named Winnie.

Severe Cyclonic Storm Four

Very severe cyclonic storm (IMD)
 
Duration May 23 – May 25
Peak intensity 120 km/h (75 mph) (3-min)  984 hPa (mbar)

Caused considerable damage in southwestern India.[9]

Severe Cyclonic Storm Five

Very severe cyclonic storm (IMD)
 
Duration May 27 – May 30
Peak intensity 120 km/h (75 mph) (3-min)  983 hPa (mbar)

Caused considerable damage in East Pakistan, where wind gusts reached 155 km/h (100 mph).[10] A storm surge of 6.4 m (21 ft) was measured in Chittagong. Due advanced warnings, put out an unprecedented 36 hours before the storm, relatively few casualties took place.[7]

Depression Six

Depression (IMD)
 
Duration June 8 – June 13
Peak intensity 55 km/h (35 mph) (3-min)  994 hPa (mbar)

Produced torrential rain over northeastern India, with Cherrapunji recording 1,340 mm (53 in) of precipitation over a four-day span.[11]

Severe Cyclonic Storm Seven

Severe cyclonic storm (IMD)
 
Duration June 21 – June 26
Peak intensity 100 km/h (65 mph) (3-min) 

A severe cyclonic storm developed in the Arabian Sea on June 21. The system struck western India before dissipating on June 26.[12]

Depression Eight

Depression (IMD)
 
Duration June 27 – June 28
Peak intensity 35 km/h (25 mph) (3-min) 

A depression developed in the Bay of Bengal on June 27. The system struck the state of West Bengal in India and promptly dissipated.[13]

Depression Nine

Depression (IMD)
 
Duration July 1 – July 2
Peak intensity Winds not specified 

The ninth depression of the season existed inland over eastern India. It developed on July 1 and dissipated the following day.[14]

Land Depression Ten

Depression (IMD)
 
Duration June 27 – June 28
Peak intensity 35 km/h (25 mph) (3-min) 

The depression remained around the Gujarat Peninsula for several days, resulting in prolonged rains that amounted to 680 mm (27 in) in Junagadh.[15]

Land Depression Eleven

Depression (IMD)
 
Duration July 18 – July 19
Peak intensity 75 km/h (45 mph) (3-min) 

Another land depression briefly existed over western India from July 18 to July 19.[16]

Depression Twelve

Depression (IMD)
 
Duration August 27 – August 28
Peak intensity 55 km/h (35 mph) (3-min)  995 hPa (mbar)

The twelfth depression of the season existed from August 27 to August 28.[17]

Deep Depression Thirteen

Deep Depression (IMD)
 
Duration September 6 – September 16
Peak intensity 55 km/h (35 mph) (3-min)  992 hPa (mbar)

Deep depression produced heavy rains over a large swath of northern India, with several areas reporting daily totals in excess of 300 mm (12 in).[18]

Cyclonic Storm Fourteen

Cyclonic storm (IMD)
 
Duration September 11 – September 17
Peak intensity 75 km/h (45 mph) (3-min)  987 hPa (mbar)

Heavy rains from the storm caused significant flooding in Vidarbha and Madhya Pradeshes.[19]

Depression Fifteen

Depression (IMD)
 
Duration September 22 – September 23
Peak intensity Winds not specified 

The fifteenth depression of the season developed in the northern Bay of Bengal on September 22. It then struck West Bengal before dissipating on September 23.[20]

Deep Depression Sixteen

Deep Depression (IMD)
 
Duration September 27 – October 2
Peak intensity 55 km/h (35 mph) (3-min) 

A deep depression developed in the Bay of Bengal on September 27. The system then moved inland over West Bengal. It meandered inland until dissipating on October 2.[21]

Land Depression Seventeen

Depression (IMD)
 
Duration October 9 – October 13
Peak intensity Winds not specified 

Significant flooding resulted from the depression's heavy rains, with 57 fatalities occurring in Uttar Pradesh.[22]

Depression Eighteen

Depression (IMD)
 
Duration October 24 – October 25
Peak intensity 45 km/h (30 mph) (3-min)  1009 hPa (mbar)

The final depression of the season developed in the Bay of Bengal on October 24. It soon struck Bangladesh and dissipated on the following day.[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 (1961). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 1–3. Retrieved May 10, 2013.
  4. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Deep depression in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 3–5. Retrieved May 10, 2013.
  5. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Severe cyclonic storm in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 5–7. Retrieved May 10, 2013.
  6. ↑ Annual Typhoon Report 1961 (PDF) (Report). Joint Typhoon Warning Center. April 11, 1962.
  7. 1 2 Gordon E. Dunn, United States Weather Bureau (March 1962). "The Tropical Cyclone Problem In East Pakistan" (PDF). Monthly Weather Review. National Oceanic and Atmospheric Administration. 90 (3): 83–86. Bibcode:1962MWRv...90...83D. doi:10.1175/1520-0493(1962)090<0083:TTCPIE>2.0.CO;2. Retrieved May 10, 2013.
  8. ↑ Neil L.; Frank S. A. Husain; National Hurricane Center, Pakistan Meteorological Department (June 1971). "The Deadliest Tropical Cyclone in History?" (PDF). Bulletin of the American Meteorological Society. American Meteorological Society. 52 (6): 438–444. Bibcode:1971BAMS...52..438F. doi:10.1175/1520-0477(1971)052<0438:TDTCIH>2.0.CO;2. Retrieved May 10, 2013.
  9. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Severe cyclonic storm in the Arabian Sea" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 7–9. Retrieved May 10, 2013.
  10. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Severe cyclonic storm in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 9–10. Retrieved May 10, 2013.
  11. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 10–11. Retrieved May 10, 2013.
  12. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Severe cyclonic storm in the Arabian Sea" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 11–12. Retrieved May 10, 2013.
  13. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 12–13. Retrieved May 10, 2013.
  14. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 13. Retrieved May 10, 2013.
  15. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Land depression over Saurashtra-Kutch" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 14. Retrieved May 10, 2013.
  16. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Land depression over lower Sindh" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 14–15. Retrieved May 10, 2013.
  17. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Depression in the Arabian Sea" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 15. Retrieved May 10, 2013.
  18. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Deep depression in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 15–16. Retrieved May 10, 2013.
  19. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Cyclonic storm in the Bay" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 17–18. Retrieved May 10, 2013.
  20. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 18–19. Retrieved May 10, 2013.
  21. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 19–20. Retrieved May 10, 2013.
  22. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Land depression over central parts of the country" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 20–21. Retrieved May 10, 2013.
  23. ↑ India Meteorological Department (1961). "Annual Summary — Storms & Depressions: Depression in the Bay of Bengal" (PDF). India Weather Review. National Oceanic and Atmospheric Administration: 21. Retrieved May 10, 2013.
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