1978 North Indian Ocean cyclone season

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 140 km/h (85 mph)
(3-minute sustained)
  Lowest pressure 953 hPa (mbar)
Seasonal statistics
Depressions 4
Deep depressions 4
Cyclonic storms 2
Total fatalities 1000+
Total damage Unknown

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.

Systems

Cyclonic Storm 01B

Tropical storm (SSHWS)
 
Duration May 14 – May 17
Peak intensity 110 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)
 
Duration October 25 – October 28
Peak intensity 75 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)
 
Duration November 3 – November 13
Peak intensity 150 km/h (90 mph) (1-min) 

Very Severe Cyclonic Storm 04B

Very severe cyclonic storm (IMD)
Category 2 tropical cyclone (SSHWS)
 
Duration November 19 – November 29
Peak intensity 140 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. 1 2 3 4 Unisys (2007). "1978 Hurricane/Tropical Data for Northern Indian Ocean". Retrieved 2007-10-19.
  2. Unisys (2007). "Cyclonic Storm One Best Track Data". Retrieved 2007-10-19.
  3. 1 2 Unisys (2007). "Cyclonic Storm Two Best Track Data". Retrieved 2007-11-02.
  4. Unisys (2007). "Cyclonic Storm Four Best Track Data". Retrieved 2015-12-13.
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