1964 North Indian Ocean cyclone season | |
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Seasonal boundaries | |
First system formed | May 6, 1964 |
Last system dissipated | December 24, 1964 |
Strongest storm | |
Name | Sixteen |
• Maximum winds | 240 km/h (150 mph) |
• Lowest pressure | 970 hPa (mbar) |
Seasonal statistics | |
Depressions | 16 |
Deep depressions | 14 |
Cyclonic storms | 7 |
Very severe cyclonic storms | 3 |
Total fatalities | At least 2,977 |
Total damage | $150 million (1964 USD) |
Related articles | |
The 1964 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]
Cyclonic storm (IMD) | |
Duration | May 6 – May 9 |
---|---|
Peak intensity | 75 km/h (45 mph) (3-min); 992 hPa (mbar) |
Cyclonic Storm One developed in the Bay of Bengal on May 6. It moved east-northeastward and eventually curved northeastward. The system made landfall in Burma before dissipating on May 9. [3]
Very severe cyclonic storm (IMD) | |
Duration | June 9 – June 13 |
---|---|
Peak intensity | 140 km/h (85 mph) (3-min); 969 hPa (mbar) |
Under the influence of the ongoing onset of the southwest monsoon, a trough of low pressure developed over the Arabian Sea off the coast of Karnataka on June 6. It slowly moved northwards, and consolidated into a depression by the morning of June 9. The next morning, while the storm was moving northwestwards, the India Meteorological Department upgraded it to a Cyclonic Storm. Over the following days the storm intensified further into a very severe cyclonic storm, recurved northeastwards and crossed the coast of Gujarat near Naliya at a peak intensity of 969 hPa (28.61 inHg). The system rapidly degenerated inland and dissipated into a low-pressure area on June 13. 27 deaths were reported due to the cyclone in India. [4] Prolonged rains associated with the system triggered severe flooding in Pakistan that killed 450 people. Approximately 400,000 were affected by the floods and damage amounted to $4.1 million. [5]
Deep depression (IMD) | |
Duration | July 3 – July 6 |
---|---|
Peak intensity | 55 km/h (35 mph) (3-min); 987 hPa (mbar) |
A deep depression developed in the northern Bay of Bengal on July 3. It headed northwestward and soon struck the state of West Bengal in India. The storm persisted for a few days inland, before dissipating on July 6. [6]
Deep depression (IMD) | |
Duration | August 5 – August 6 |
---|---|
Peak intensity | 65 km/h (40 mph) (3-min); 990 hPa (mbar) |
Deep Depression Four developed in the northern Bay of Bengal on August 5. It moved westward and struck India before dissipating on August 6. [7]
Cyclonic storm (IMD) | |
Duration | August 6 – August 7 |
---|---|
Peak intensity | 75 km/h (45 mph) (3-min); 987 hPa (mbar) |
Cyclonic Storm Five briefly existed in the Arabian Sea. It formed as a depression on 7 August near the coast of North Maharashtra and moved north-northeast. It intensified in the cyclonic storm for a while and moved northwest before turning into low pressure area near the South Gujarat coast the same day. [8] [9] [10]
Deep depression (IMD) | |
Duration | August 10 – August 12 |
---|---|
Peak intensity | 45 km/h (30 mph) (3-min); 987 hPa (mbar) |
Deep Depression Six developed in the northern Bay of Bengal on August 10. It later struck eastern India. The deep depression dissipated by August 12. [11]
Depression (IMD) | |
Duration | August 15 – August 16 |
---|---|
Peak intensity | 55 km/h (35 mph) (3-min); 995 hPa (mbar) |
Depression Seven developed in the Bay of Bengal on August 15 and soon made landfall in India. The depression dissipated on the following day. [12]
Depression (IMD) | |
Duration | August 23 – August 26 |
---|---|
Peak intensity | Winds not specified; |
A land depression existed over India from August 23 to August 26. [13]
Deep depression (IMD) | |
Duration | September 23 – September 25 |
---|---|
Peak intensity | 65 km/h (40 mph) (3-min); 991 hPa (mbar) |
Deep Depression Nine developed in the Bay of Bengal on September 23. It almost immediately moved inland over West Bengal. The deep depression persisted until September 25. [14]
Deep depression (IMD) | |
Duration | September 27 – September 29 |
---|---|
Peak intensity | 55 km/h (35 mph) (3-min); 994 hPa (mbar) |
A few fishermen lost their lives off the coast of Kakinada. [15]
Deep depression (IMD) | |
Duration | October 4 – October 7 |
---|---|
Peak intensity | 35 km/h (25 mph) (3-min); 1001 hPa (mbar) |
Deep Depression Eleven developed in the Bay of Bengal on October 4. It soon made landfall in the province of East Pakistan in Pakistan. The deep depression dissipated over eastern India on October 7. [16]
Deep depression (IMD) | |
Duration | October 17 – October 21 |
---|---|
Peak intensity | 45 km/h (30 mph) (3-min); 998 hPa (mbar) |
Another deep depression developed in the Bay of Bengal on October 17. It initially moved westward, before eventually re-curving northwestward. The deep depression eventually made landfall in eastern India. By October 21, the deep depression dissipated. [17]
Severe cyclonic storm (IMD) | |
Duration | November 2 – November 8 |
---|---|
Peak intensity | Winds not specified; |
Severe Cyclonic Storm Thirteen [18]
Severe cyclonic storm (IMD) | |
Duration | November 3 – November 8 |
---|---|
Peak intensity | 75 km/h (45 mph) (3-min); 990 hPa (mbar) |
Severe Cyclonic Storm Fourteen developed in the Bay of Bengal on November 3. Initially heading northwestward, the storm eventually curved westward. Shortly before dissipating on November 8, the storm struck southern India. [19]
Very severe cyclonic storm (IMD) | |
Duration | November 16 – November 28 |
---|---|
Peak intensity | 130 km/h (80 mph) (3-min); 992 hPa (mbar) |
Severe Cyclonic Storm Fifteen developed in the Bay of Bengal on November 16. It meandered there for several days and peaked with winds of 130 km/h (80 mph). Eventually, it weakened and dissipated on November 28. [20] It was tied for the longest-lived cyclone on record in the basin. [21]
Super cyclonic storm (IMD) | |
Category 5 tropical cyclone (SSHWS) | |
Duration | December 17 – December 24 |
---|---|
Peak intensity | 240 km/h (150 mph) (3-min); ≤970 hPa (mbar) |
On December 15, an area of low pressure was identified over the southern Andaman Sea. Remaining nearly stationary, [22] it gradually developed into a depression two days later. [23] Despite being at a low latitude of 5°N, favorable conditions allowed the system to steadily strengthen, attaining hurricane-force winds by December 19. [22] Spanning approximately 965 km (600 mi), the cyclone reached its peak intensity on December 21 as it approached Ceylon. [23] Based on satellite imagery, it was estimated that the storm had peak winds of 240 km/h (150 mph), with gusts as high as 280 km/h (175 mph). [23] This ranked the system as a modern-day super cyclonic storm. [24] Weakening somewhat, the system continued westward, moving over Tamil Nadu, before rapidly weakening. The system degenerated into a remnant low after emerging over the Arabian Sea on December 24 and dissipated two days later. [22]
Striking Ceylon as a super cyclonic storm, the storm wrought tremendous damage. Winds well in excess of hurricane-force battered the region for over six hours, destroying more than 5,000 homes. [22] [25] In eastern Rameswaram, a passenger train carrying 115 people was swept away by a 4.6 m (15 ft) surge, killing all on board. [25] Nearly every structure in Dhanushkodi was destroyed. [22] Press reports indicated that as many as 2,000 people died on Ceylon, including 350 fishermen offshore. In Tamil Nadu, an estimated 500 people were killed. Damage from the storm amounted to $150 million. [25]
The 2002 North Indian Ocean cyclone season was a below average season in terms of tropical cyclone formation. The season had no official bounds, but most storms formed in either May or after October. No depressions or storms formed during the monsoon season from July to September, the first such instance on record. 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 (JTWC) releases unofficial advisories. An average of four to six storms form in the North Indian Ocean every season with peaks in May and November. Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.
The 2000 North Indian Ocean cyclone season was fairly quiet compared to the year before, 1999 North Indian Ocean cyclone season, with all of the activity originating in the Bay of Bengal. The basin comprises the Indian Ocean north of the equator, with warnings issued by the India Meteorological Department (IMD) in New Delhi. There were six depressions throughout the year, of which five intensified into cyclonic storms – tropical cyclones with winds of 65 mph (105 km/h) sustained over 3 minutes. Two of the storms strengthened into a Very Severe Cyclonic Storm, which has winds of at least 120 km/h (75 mph), equivalent to a minimal hurricane. The Joint Typhoon Warning Center (JTWC) also tracked storms in the basin on an unofficial basis, estimating winds sustained over 1 minute.
The 1973 North Indian Ocean cyclone season was part of the annual cycle of tropical cyclone formation. 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 (JTWC) releases unofficial advisories. An average of five tropical cyclones form in the North Indian Ocean every season with peaks in May and November. Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.
The 1983 North Indian Ocean cyclone season was part of the annual cycle of tropical cyclone formation. A 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 (JTWC) releases unofficial advisories. An average of five tropical cyclones form in the North Indian Ocean every season with peaks in May and November. Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.
Cyclonic Storm Phyan developed as a tropical disturbance to the southwest of Colombo in Sri Lanka on November 4, 2009. Over the next couple of days, the disturbance gradually developed before weakening as it made landfall on Southern India on November 7. After the disturbance emerged into the Arabian Sea, it rapidly became more of a concern to the India Meteorological Department (IMD) reporting early on November 9 that the disturbance had intensified into a Depression, and designated it as Depression ARB 03 whilst the Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert. Later that day, the JTWC designated the system as Cyclone 04A. During the next day, the Depression turned towards the northeast the IMD reported that it had intensified into a Cyclonic Storm and named it as Phyan.
India is a country in the north of Indian Ocean that is the most vulnerable to getting hit by tropical cyclones in the basin, from the east or from the west. On average, 2–3 tropical cyclones make landfall in India each year, with about one being a severe tropical cyclone or greater.
The 1960 North Indian Ocean cyclone season featured two deadly tropical cyclones that killed approximately 20,000 people collectively in East Pakistan. The Indian subcontinent divides the North Indian Ocean into two areas: the Bay of Bengal to the east and the Arabian Sea to the west. The official Regional Specialized Meteorological Centre in this basin is the India Meteorological Department (IMD), while the Joint Typhoon Warning Center releases unofficial advisories. On average, five storms form in the North Indian Ocean every season with dual peaks in activity during May and November. Cyclones that occurred between 45°E and 100°E were included in seasonal records by the IMD.
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. 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. Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.
The 1962 North Indian Ocean cyclone season had 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. The IMD includes cyclones occurring between the meridians 45°E and 100°E in the 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. Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.
The 2016 North Indian Ocean cyclone season was an event in the annual cycle of tropical cyclone formation. It was the deadliest season since 2010, killing more than 400 people. The season was an average one, seeing four named storms, with one further intensifying into a very severe cyclonic storm. The first named storm, Roanu, developed on 19 May while the season's last named storm, Vardah, dissipated on 18 December. The North Indian Ocean cyclone season has no official bounds, but cyclones tend to form between April and December, with the two peaks in May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean.
The 2018 North Indian Ocean cyclone season was one of the most active North Indian Ocean cyclone seasons since 1992, with the formation of fourteen depressions and seven cyclones. The North Indian Ocean cyclone season has no official bounds, but cyclones tend to form between April and December, with the two peaks in May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean.
The 2019 North Indian Ocean cyclone season was the second most active North Indian Ocean cyclone season on record in terms of cyclonic storms, the 1992 season was more active according to the Joint Typhoon Warning Center. The season featured 12 depressions, 11 deep depressions, 8 cyclonic storms, 6 severe cyclonic storms, 6 very severe cyclonic storms, 3 extremely severe cyclonic storms, and 1 super cyclonic storm, Kyarr, the first since Cyclone Gonu in 2007. Additionally, it also became the third-costliest season recorded in the North Indian Ocean, only behind the 2020 and 2008 seasons.
The 2020 North Indian Ocean cyclone season was the costliest North Indian Ocean cyclone season on record, mostly due to the devastating Cyclone Amphan. The North Indian Ocean cyclone season has no official bounds, but cyclones tend to form between April and November, with peaks in late April to May and October to November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean. The season began on May 16 with the designation of Depression BOB 01 in the Bay of Bengal, which later became Amphan. Cyclone Amphan was the strongest storm in the Bay of Bengal in 21 years and would break Nargis of 2008's record as the costliest storm in the North Indian Ocean. The season concluded with the dissipation of Cyclone Burevi on December 5. Overall, the season was slightly above average, seeing the development of five cyclonic storms.
The years between 1950 and 1959 featured the 1950s 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. At the time, only one RSMC, the India Meteorological Department (IMD), monitored the basin. However, in 1959, the Joint Typhoon Warning Center (JTWC) was founded, resulting in it releasing unofficial advisories for the basin.
The 1950 North Indian Ocean cyclone season was part of the annual cycle of tropical cyclone formation. 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 (JTWC) releases unofficial advisories. An average of five tropical cyclones form in the North Indian Ocean every season with peaks in May and November. Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.
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. On 27 April 1949, India Meteorological Department (IMD) became a member of the World Meteorological Organization after independence.
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