1985 Bangladesh cyclone

(Learn how and when to remove this message)
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
  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