November 13, 1970

The Bhola cyclone strikes East Pakistan (now Bangladesh) and West Bengal, India, killing an estimated 500,000 people.


Chittagong, Pakistan (now Bangladesh) | none

Watercolor painting based depiction of The Bhola cyclone strikes East Pakistan (now Bangladesh) and West Bengal, India, killing an estimated 500,000 people. (1970)

The Bhola Cyclone: November 13, 1970

Overview

On November 13, 1970, the Bhola cyclone struck the coastal regions of East Pakistan (present-day Bangladesh) and the Indian state of West Bengal. It remains one of the deadliest tropical cyclones on record, with an estimated death toll of around 500,000 people. The cyclone’s catastrophic impact was felt most severely in the low-lying areas of the Ganges Delta.

Meteorological Background

The Bhola cyclone developed over the central Bay of Bengal on November 8, 1970. It intensified rapidly as it moved northward, reaching its peak intensity on November 12. By the time it made landfall on November 13, the cyclone had sustained winds of approximately 115 mph (185 km/h), equivalent to a Category 3 hurricane on the Saffir-Simpson scale.

Impact and Destruction

East Pakistan (Bangladesh)

  • Storm Surge: The cyclone generated a storm surge of up to 20 feet (6 meters), inundating vast areas of the densely populated coastal regions.
  • Casualties: The surge and high winds led to widespread destruction, with the majority of the estimated 500,000 fatalities occurring in East Pakistan.
  • Infrastructure Damage: Thousands of homes, as well as critical infrastructure such as roads and communication lines, were destroyed, exacerbating the humanitarian crisis.

West Bengal, India

  • Impact: While the impact in West Bengal was less severe than in East Pakistan, the region still experienced significant damage to property and loss of life.

Aftermath and Consequences

  • Humanitarian Crisis: The cyclone left millions homeless and in dire need of food, water, and medical assistance. The response to the disaster was criticized for being slow and inadequate.
  • Political Repercussions: The perceived inefficiency of the Pakistani government’s response fueled political discontent in East Pakistan. This discontent contributed to the rising tensions that eventually led to the Bangladesh Liberation War and the creation of Bangladesh in 1971.
  • International Aid: The disaster prompted a global humanitarian response, with aid coming from various countries and international organizations.

Historical Significance

The Bhola cyclone is a stark reminder of the vulnerability of coastal regions to natural disasters, particularly in densely populated and impoverished areas. It highlighted the need for improved disaster preparedness and response mechanisms, which have since become a focus in the region. The cyclone also played a pivotal role in shaping the political landscape of South Asia, influencing the eventual independence of Bangladesh.

Conclusion

The Bhola cyclone of 1970 stands as a tragic event in history, underscoring the devastating power of natural disasters and their far-reaching impacts on human societies. Its legacy continues to influence disaster management practices and political developments in the region.