1940s North Indian Ocean cyclone seasons

The years between 1940 and 1949 featured the 1940s North Indian Ocean cyclone seasons. Each season was an ongoing event in the annual cycle of tropical cyclone formation. The North Indian tropical cyclone season has no bounds, but they tend to form between April and December, peaks in May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean. Below are the most significant cyclones in the time period. Because much of the North Indian coastline is near sea level and prone to flooding, these cyclones can easily kill many with storm surge and flooding. These cyclones are among the deadliest on earth in terms of numbers killed. In 27 April 1949, India Meteorological Department (IMD) became a member of the World Meteorological Organization after independence.[1]

1940s North Indian Ocean cyclone seasons
Seasonal boundaries
First system formed1940
Last system dissipated1949
Seasonal statistics
Depressions46
Total fatalities500+
Total damageUnknown

1940 season
  • May 17 – 25, 1940 – A severe cyclonic storm existed over the Bay of Bengal.[2]
  • June 23–27, 1940 - A cyclonic storm existed over the Bay of Bengal.[2]
  • June 29 – July 5, 1940 – A severe cyclonic storm existed over the Bay of Bengal.[2]
  • July 6 – 11, 1940 – A severe cyclonic storm existed over the Bay of Bengal.[2]
  • August 1 – 11, 1940 – A cyclonic storm existed over the Bay of Bengal.[2]
  • August 11 – 16, 1940 – A depression existed over the Bay of Bengal.[2]
  • August 18 – 26, 1940 – A depression existed over the Bay of Bengal.[2]
  • August 26 – September 1, 1940 – A depression existed over the Bay of Bengal.[2]
  • September 14 – 24, 1940 – A depression existed over the Bay of Bengal.[2]
  • September 17 – 21, 1940 – A depression existed over the Bay of Bengal.[2]
  • October 9 – 20, 1940 – A severe cyclonic storm existed over the Arabian Sea.[2]
  • October 19 – 22, 1940 – A severe cyclonic storm existed over the Bay of Bengal.[2]
  • November 3 – 13, 1940 – A severe cyclonic storm existed over the Arabian Sea.[2]
  • November 11 – 18, 1940 – A depression existed over the Bay of Bengal and the Arabian Sea.[2]
  • November 14 – 24, 1940 – A cyclonic storm existed over the Bay of Bengal.[2]
  • December 19 – 30, 1940 – A depression existed over the Bay of Bengal.[2]

1941 season
  • May 21 – 27, 1941 – A severe cyclonic storm existed in the Bay of Bengal.[3]
  • May 24 – June 1, 1941 – A severe cyclonic storm existed in the Arabian Sea and the Bay of Bengal.[3]
  • June 14 – 18, 1941 – A depression existed in the Bay of Bengal.[3]
  • June 23 – July 8, 1941 – A depression existed in the Bay of Bengal.[3]
  • July 6 – 13, 1941 – A severe cyclonic storm existed in the Bay of Bengal.[3]
  • July 8 – August 1, 1941 – A depression existed in the Bay of Bengal.[3]
  • August 7 – 14, 1941 – A cyclonic storm existed in the Bay of Bengal.[3]
  • August 15 – 22, 1941 – A cyclonic storm existed in the Bay of Bengal.[3]
  • September 6 – 13, 1941 – A depression existed in the Bay of Bengal.[3]
  • September 12 – 20, 1941 – A depression existed in the Bay of Bengal.[3]
  • October 3 – 5, 1941 – A depression existed in the Arabian Sea.[3]
  • October 4 – 12, 1941 – A depression existed in the Bay of Bengal.[3]
  • November 14 – 19, 1941 – A depression existed in the Bay of Bengal.[3]
  • November 29 – December 6, 1941 – A severe cyclonic storm existed in the Bay of Bengal.[3]
  • December 8 – 15, 1941 – A cyclonic storm existed in the Bay of Bengal.[3]

1942 season
  • February 18 - 21, 1942 - A Deep Depression existed over the Gulf of Oman and the Arabian Sea.[4]
  • April 24 - 28, 1942 - A depression existed in the Gulf of Mannar and moved into the Arabian Sea.[4]
  • June 3 - 5, 1942 - A cyclonic storm existed over the Bay of Bengal.[4]
  • July 8 - 13, 1942 - A cyclonic storm existed over the Bay of Bengal.[4]
  • July 17 - 19, 1942 - A land depression existed over the Chota Nagpur Plateau.[4]
  • July 23 - 29, 1942 - A depression existed over the Bay of Bengal.[4]
  • July 27 - 31, 1942 - A depression existed over the Bay of Bengal.[4]
  • July 31 - August 6, 1942 - A deep depression existed over the Bay of Bengal.[4]
  • August 30 - September 8, 1942 - A depression existed over the Bay of Bengal.[4]
  • September 9 - 12, 1942 - A depression existed over the Bay of Bengal.[4]
  • September 19 - 23, 1942 - A land depression existed over Bengal.[4]
  • September 26 - 30, 1942 - A depression existed over the Bay of Bengal.[4]
  • October 11 - 13, 1942 - A depression existed over the Arabian Sea.[4]
  • October 14 - 18, 1942 - A severe cyclonic storm existed over the Bay of Bengal. It hit near the West Bengal/Odisha border, resulting in around 15,000 fatalities. A wind speed of 225 km/h (140 mph) was recorded.[4]
  • November 13 - 17, 1942 - A severe cyclonic storm existed over the Bay of Bengal.[4]

1943 season
  • May 11 - 23, 1943 - A severe cyclonic storm existed over the Bay of Bengal.[5]
  • May 30 - June 3, 1943 - A depression existed over the Bay of Bengal.[5]
  • July 9 - 15, 1943 - A cyclonic storm existed over the Bay of Bengal.[5]
  • July 10 - 13, 1943 - A land depression existed over Central India.[5]
  • July 15 - 21, 1943 - A land depression existed near Calcutta.[5]
  • July 24 - 31, 1943 - A cyclonic storm existed over the Bay of Bengal.[5]
  • July 29 - August 3, 1943 - A depression existed over the Bay of Bengal.[5]
  • August 3 - 10, 1943 - A deep land depression existed near Calcutta.[5]
  • August 10 - 11, 1943 - A land depression existed over Central India.[5]
  • August 20 - 23, 1943 - A depression existed over the Bay of Bengal.[5]
  • August 28 - September 4, 1943 - A depression existed over the Bay of Bengal.[5]
  • September 19 - 28, 1943 - A cyclonic storm existed over the Bay of Bengal.[5]
  • October 3 - 14, 1943 - A cyclonic storm existed near Madras.[5]
  • October 14 - 20, 1943 - A cyclonic storm existed over the Bay of Bengal.[5]
  • October 27 - November 2, 1943 - A cyclonic storm existed over the Bay of Bengal.[5]
  • November 14 - 18, 1943 - A depression existed over the Arabian Sea.[5]
  • November 18 - 22, 1943 - A depression existed over the Bay of Bengal.[5]

1944 season

July 1944 Karachi cyclone

On 27 July 1944, a cyclone left some 20,000 people homeless in Karachi.[6]

1945 season
season summary

1946 season
season summary

November 1946 Andhra coast cyclone

This significant storm killed 750 people and led to a loss of 30,000 cattle.[7]

1947 season
season summary

1948 season
season summary

1948 Balochistan cyclone

In 1948, a tropical storm made landfall along the Makran coast in Balochistan province in Pakistan.[8][9]

1949 season
season summary

See also

References
  1. "Members". World Meteorological Organization. Archived from the original on 10 October 2011. Retrieved 19 November 2011.
  2. India Weather Review Annual Summary Part C Storms and Depressions 1940 (PDF) (Report). India Meteorological Department. 1951. pp. 1–13. Retrieved June 24, 2020.
  3. India Weather Review Annual Summary Part C Storms and Depressions 1941 (PDF) (Report). India Meteorological Department. 1941. pp. 1–13. Retrieved June 24, 2020.
  4. India Weather Review Annual Summary Part C Storms and Depressions 1942 (PDF) (Report). India Meteorological Department. 1942. pp. 1–8. Retrieved June 24, 2020.
  5. India Weather Review Annual Summary Part C Storms and Depressions 1943 (PDF) (Report). India Meteorological Department. 1951. pp. 1–13. Retrieved June 24, 2020.
  6. "Archived copy" (PDF). Archived from the original (PDF) on 2011-07-09. Retrieved 2010-06-01.CS1 maint: archived copy as title (link)
  7. Dipankar C. Patnaik & N. Sivagnanam (November 2007). "DISASTER VULNERABILITY OF COASTAL STATES: A Short Case Study of Orissa, India". Social Science Research Network: 4. SSRN 1074845. Cite journal requires |journal= (help)
  8. Indian Weather Man (IWM): Cyclone History for Karachi
  9. "Unisys Weather: 1948 Hurricane/Tropical Data for Northern Indian Ocean". Archived from the original on 2011-07-17. Retrieved 2010-12-22.
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