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Storm surges

Hurricane Melissa Strengthens into World's Most Powerful Storm of 2025

Strategic Insights

— 1 min read

Hurricane Melissa strengthened into a Category 5 storm, bringing catastrophic winds, flooding, and storm surge to Jamaica and the Caribbean. The storm, with maximum sustained winds of near 175 mph, was expected to reach Jamaica and southeastern Cuba as an extremely powerful major hurricane. Mandatory evacuations were ordered for vulnerable coastal and flood-prone communities, including parts of the capital, Kingston.

Key Takeaways:

  • Hurricane Melissa is the world's most powerful storm of 2025, with maximum sustained winds of near 175 mph.
  • The storm is expected to bring catastrophic flash flooding and numerous landslides to Jamaica and the Caribbean.
  • Mandatory evacuations were ordered for vulnerable coastal and flood-prone communities, including parts of Kingston.
  • The storm's rapid intensification reflects how warmer ocean temperatures are fueling stronger late-season hurricanes.
  • The slow movement of the storm means strong winds will continue blowing over buildings and structures for a long time, causing greater damage.
  • The storm surge and ocean waves are expected to cause widespread damage to infrastructure, including the international airport and ports along Jamaica's southern coast.
  • The rainfall from the storm is expected to be at least 15-30 inches in parts of Jamaica, with storm total local maxima of 40 inches possible.

Statistics:

  • 157 mph: The minimum wind speed required to be classified as a Category 5 storm.
  • 175 mph: The maximum sustained winds of Hurricane Melissa as of 8pm Monday ET.
  • 15-30 inches: The expected rainfall in parts of Jamaica.
  • 6-12 inches: The expected rainfall in southern Hispaniola.
  • 40 inches: The possible storm total local maxima of rainfall in parts of Jamaica.
  • 2 mph: The speed of Hurricane Melissa's movement northwesterly direction at 8pm Monday ET.

Sources:

  • Axios article: "Hurricane Melissa strengthened into the world's most powerful storm of 2025"
  • Facebook post by Jamaican Prime Minister Andrew Holness
  • Twitter post by CIRA
  • National Hurricane Center latest forecast discussion
  • Axios article: "Climate change is increasing hurricane wind speeds, study finds"
  • Axios article: "Warm ocean temperatures fueling stronger late-season hurricanes"

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