1978 North Indian Ocean cyclone season

The 1978 North Indian Ocean cyclone season had no bounds, but tropical cyclones in the North Indian Ocean tend to form between April and December, with peaks in May and November. The 1978 season produced five cyclonic storms of which developed into three severe cyclonic storms. All Five of the storms formed in the Bay of Bengal and four of those made landfall. The most notable storm of the season was Cyclone Four which hit Sri Lanka.

1978 North Indian Ocean cyclone season
Season summary map
Seasonal boundaries
First system formed	May 14, 1978
Last system dissipated	November 29, 1978
Strongest storm
Name	04B
• Maximum winds	220 km/h (140 mph) (3-minute sustained)
• Lowest pressure	938 hPa (mbar)
Seasonal statistics
Depressions	15
Deep depressions	11
Cyclonic storms	5
Severe cyclonic storms	3
Total fatalities	1000+
Total damage	$626.89 million (1978 USD)
Related articles
1978 Atlantic hurricane season 1978 Pacific hurricane season 1978 Pacific typhoon season
North Indian Ocean tropical cyclone seasons 1976, 1977, 1978, 1979, 1980

Season summary

Systems

Very Severe Cyclonic Storm BOB 01 (01B)

Very severe cyclonic storm (IMD)
Tropical storm (SSHWS)
Duration	May 14 – May 17
Peak intensity	150 km/h (90 mph) (3-min); 964 hPa (mbar)

A depression formed in the northern Bay of Bengal on May 14 and move northward.^[1] The depression slowly strengthened into a cyclonic storm On May 15. The storm reached its maximum intensity of 70 mph (115 km/h)^[2] before making landfall in Eastern Bangladesh on May 17 and dissipating thereafter.^[1] The effects from Cyclonic Storm One if any are unknown.

Cyclonic Storm BOB 09 (02B)

Cyclonic storm (IMD)
Tropical storm (SSHWS)
Duration	October 25 – October 28
Peak intensity	85 km/h (50 mph) (3-min);

Another tropical depression formed in the Bay of Bengal on October 25 and moved northwestward.^[1] The depression became a cyclonic storm the following day^[3] The storm then turned to the northeast and then back to the northwest^[1] were its winds peaked at 45 mph (70 km/h) before dissipating off the coast of Bangladesh on October 28.^[3]

Extremely Severe Cyclonic Storm BOB 10 (03B)

Extremely severe cyclonic storm (IMD)
Category 1 tropical cyclone (SSHWS)
Duration	November 3 – November 13
Peak intensity	215 km/h (130 mph) (3-min); 940 hPa (mbar)

Super Cyclonic Storm BOB 11 (04B)

Main article: 1978 Sri Lanka cyclone

Super cyclonic storm (IMD)
Category 2 tropical cyclone (SSHWS)
Duration	November 17 – November 29
Peak intensity	220 km/h (140 mph) (3-min); 938 hPa (mbar)

The final tropical cyclone existed from November 19 to November 29.^[4] The 1978 Sri Lanka cyclone was the strongest tropical cyclone to strike Eastern province of Sri Lanka, making landfall on November 23.

See also

• Tropical cyclones portal

• North Indian Ocean tropical cyclone
• 1978 Atlantic hurricane season
• 1978 Pacific hurricane season
• 1978 Pacific typhoon season
• Australian cyclone seasons: 1978–79, 1979–80
• South Pacific cyclone seasons: 1978–79, 1979–80
• South-West Indian Ocean cyclone seasons: 1978–79, 1979–80