Hurricanes are intense tropical cyclones that form over warm ocean waters and are characterized by a low-pressure center, organized deep convection, and strong cyclonic surface winds. They derive energy from latent heat released during condensation within deep convective clouds, requiring sea surface temperatures typically above ~26–27 °C, sufficient Coriolis force to initiate rotation, and weak vertical wind shear to maintain structural integrity. Hurricanes exhibit a warm-core structure, an eye and eyewall, and spiral rainbands, and are classified by maximum sustained wind speed. They are central topics in atmospheric science, climate research, and risk modeling due to their role in heat transport, extreme precipitation, storm surge, and high-wind hazards.
Residents in southern China's Yangjiang were grappling with damaged property and power outages Wednesday evening in the immediate aftermath of Typhoon Ragasa, hours after the destructive storm made landfall near the city.
Environment
Sep 24, 2025
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Fierce winds, pounding rain and high seas battered Hong Kong on Wednesday as Super Typhoon Ragasa headed into southern China after causing a lake burst that killed at least 14 people in Taiwan.
Environment
Sep 24, 2025
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Hong Kong shut schools and canceled flights on Tuesday as Super Typhoon Ragasa neared the financial center with a force that officials warned would be among the most destructive in the city's recent history.
Environment
Sep 23, 2025
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Hong Kong rushed to prepare for the arrival of Super Typhoon Ragasa on Tuesday, with officials warning of a "serious threat" comparable to some of the most destructive storms in the city's recent history.
Environment
Sep 22, 2025
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Is your city prepared for flooding caused by extreme rainfall under climate change? In many regions, the uncertainty surrounding this threat is a major cause for concern and an obstacle to adaptation. However, according to ...
Earth Sciences
Sep 22, 2025
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More than 10,000 evacuees sheltered in schools and evacuation centers in the Philippines on Monday as heavy rains and gale-force winds from Super Typhoon Ragasa lashed the country's far north.
Environment
Sep 22, 2025
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The Philippines and Taiwan ordered evacuations Sunday ahead of possible flooding and landslides as Super Typhoon Ragasa approached, gaining strength on its way to an eventual collision with southern China.
Environment
Sep 21, 2025
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When people hear about hurricanes, they often focus on the category rating: Category 1 through 5, based on maximum wind speeds. But not all hurricanes with the same wind speeds are alike. Some are compact storms while others ...
Environment
Sep 20, 2025
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If it feels like headlines reporting 100 or 1,000-year floods and megafires seem more frequent these days, it's not your imagination.
Earth Sciences
Sep 18, 2025
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A recent study reveals how a major global climate pattern influences the African weather systems that help seed Atlantic hurricanes. The findings, published in the Journal of Climate, could lead to better seasonal forecasts ...
Earth Sciences
Sep 3, 2025
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