1985 Bangladesh cyclone
Very severe cyclonic storm (IMD scale)
Tropical storm (SSHWS)
One at peak intensity making landfall in Bangladesh.
FormedMay 22, 1985
DissipatedMay 25, 1985
Highest winds3-minute sustained: 120 km/h (75 mph)
1-minute sustained: 110 km/h (70 mph)
Lowest pressure979 hPa (mbar); 28.91 inHg
Fatalities11,069
Damage$18.5 million
Areas affectedBangladesh, India, and Myanmar
Part of the 1985 North Indian Ocean cyclone season

Tropical Storm One was an extremely deadly cyclone which developed in the central Bay of Bengal on May 22, strengthened to a peak of 70 mph winds before hitting Bangladesh on the 25th. The storm brought torrential rains and flooding, killing around 11,069 people[1][2] and leaving hundreds of thousands homeless.

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On May 22, a depression formed in the Bay of Bengal, it rapidly intensified to a tropical storm on May 24, it made landfall and dissipated on May 25.

Impact and aftermath

As tropical storm one made landfall in Bangladesh, it brought winds of 70 mph and a storm surge up to 3 meters high and heavy torrential rains and flooding, killing around 11,069 people. Every single person on the island of Urir Char, approximately 500 at the time, is thought to have been swept into the Bay of Bengal. A pilot who flew over the island said it was swept by waves, like it was inside the fireball on an atomic bomb. A total of 1.3 million people were affected. Approximately 137,000 homes were damaged, 102,000 of them were destroyed, 133,00 acres of crops damaged, and 120,000 cattle were killed.[1][3][2][4]

International assistance

After the cyclone passed, other nations began helping.

UNDRO: Emergency grant $30,000

UNDP: Emergency grant $30,000

Ireland: For emergency relief $15,088.24, for rehabalation $30,176.49, Total $45,263.45

USA: Cash $25,000

Red cross (FED.REP. Germany: cash $96,774

Shipbuilding Foundation Ryokhi Ssawaka (Japan): cash $40,000[4]

See also

  • 1985 North Indian Ocean cyclone season
  • 1991 Bangladesh cyclone (1991) – An extremely powerful and deadly cyclone that made landfall in Bangladesh on April 29, 1991, with a peak of 160 mph on the coast of Chittagong.
  • 1988 Bangladesh cyclone (1988) – A powerful and extremely deadly cyclone that made landfall on the coast of Khulna Division with a peak of 130 mph.
  • Cyclone Sidr (2007) – An extremely powerful and deadly cyclone that made landfall near Mongla with a peak of 160 mph.

References

  1. 1 2 Rahman Khan, Sirajur. "Cyclone Hazard in Bangladesh" (PDF). ADPC.net. Archived from the original (PDF) on 19 November 2007. Retrieved 4 December 2015.
  2. 1 2 "Major cyclones in the history of Bangladesh". Dhaka Tribune. 24 May 2021.
  3. ↑ "1,400 Dead in Bangladesh; Toll Rising : Island Leveled by Cyclone, Tidal Wave; Thousands Homeless". Los Angeles Times. 27 May 1985.
  4. 1 2 "Bangladesh - Cyclone May 1985 UNDRO Situation Reports 1-10 - Bangladesh".
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