Crisis Management for a Conflict with North Korea
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How does climate change fuel superstorms?
VN Express | Local Language | News | Nov. 10, 2025 | Climate Change
Storms form when ocean surface temperatures reach 27°C, creating conditions for warm, moist air to rise and generate rotating winds. Due to climate change, ocean surfaces are warming, leading to a rise in the intensity of storms over the past four decades. Recently, the South China Sea experienced multiple severe storms including Matmo, Fengshen, and Kalmaegi, with Kalmaegi causing fatalities and extensive damage in Vietnam and the Philippines. Another super typhoon, Phượng Hoàng, is currently forming and expected to enter the region soon.
Scientists note that while climate change does not increase the number of storms, it intensifies them by warming ocean surfaces and the atmosphere, resulting in stronger winds, heavier rainfall, and greater coastal flooding risks. Superstorms with wind speeds exceeding 184 km/h are becoming more frequent, and some storms now exceed the highest current classifications like the Saffir-Simpson scale. For example, Superstorm Melissa intensified rapidly over unusually warm waters and caused severe economic losses in Jamaica.
Research indicates that since 2019, maximum storm wind speeds have increased by around 30 km/h on average due to ocean warming. Additionally, a warmer atmosphere holds more moisture, causing heavier rainfall, and sea-level rise worsens storm surges. The IPCC reports that the proportion of storms reaching category three or higher has increased over the last forty years, affecting new geographic areas and communities less prepared for such threats. Calls are rising to update storm classification systems to reflect more intense storm conditions.
In Vietnam, projections indicate an increase in strong to very strong storms and more frequent heavy rainfall episodes by the end of the century. Climate change poses a significant economic risk, with potential GDP losses up to 4.5% if temperatures rise by 1.5°C without effective adaptation measures.