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 4 cyclonic storms of which developed into 2 severe cyclonic storms. All four of the storms formed in the Bay of Bengal and three of those made landfall. The most notable storm of the season was Severe Cyclonic Storm Four which hit Sri Lanka.

1978 North Indian Ocean cyclone season
Season summary map
Seasonal boundaries
First system formedMay 14, 1978
Last system dissipatedNovember 29, 1978
Strongest storm
Name04B
 • Maximum winds140 km/h (85 mph)
(3-minute sustained)
 • Lowest pressure953 hPa (mbar)
Seasonal statistics
Depressions4
Deep depressions4
Cyclonic storms2
Total fatalities1000+
Total damageUnknown

Systems

Cyclonic Storm 01B
Tropical storm (SSHWS)
 
DurationMay 14 – May 17
Peak intensity110 km/h (70 mph) (1-min) 

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 (113 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 02B
Tropical storm (SSHWS)
 
DurationOctober 25 – October 28
Peak intensity75 km/h (45 mph) (1-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 (72 km/h) before dissipating off the coast of Bangladesh on October 28.[3]

Cyclone 03B
Category 1 tropical cyclone (SSHWS)
 
DurationNovember 3 – November 13
Peak intensity150 km/h (90 mph) (1-min) 

Very Severe Cyclonic Storm 04B
Main article: 1978 Sri Lanka cyclone
Very severe cyclonic storm (IMD)
Category 2 tropical cyclone (SSHWS)
 
DurationNovember 19 – November 29
Peak intensity140 km/h (85 mph) (3-min)  953 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

References
  1. Unisys (2007). "1978 Hurricane/Tropical Data for Northern Indian Ocean". Retrieved October 19, 2007.
  2. Unisys (2007). "Cyclonic Storm One Best Track Data". Retrieved October 19, 2007.
  3. Unisys (2007). "Cyclonic Storm Two Best Track Data". Retrieved November 2, 2007.
  4. Unisys (2007). "Cyclonic Storm Four Best Track Data". Retrieved December 13, 2015.
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