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Articles on Tropical cyclones

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The fishing village of Mahebourg, Mauritius, is among the places in the path of cyclone Freddy. Laura Morosoli/AFP via Getty Images

Cyclones in southern Africa: five essential reads

Tropical cyclones are becoming more frequent in the Indian Ocean. Here’s why and what that means.
Seabirds forage on an oyster shell island on the Texas Gulf Coast. Jon G. Fuller/VW Pics/ Universal Images Group via Getty Images

Hurricane Harvey more than doubled the acidity of Texas’ Galveston Bay, threatening oyster reefs

Climate change is making oceans more acidic globally. Now, scientists are finding that large storms can send pulses of acidic water into bays and estuaries, further stressing fish and shellfish.
Hurricane Nicole was a Category 1 storm, but it caused extensive damage to Florida in 2022. Lauren Dauphin/NASA Earth Observatory

Even weak tropical cyclones have grown more intense worldwide – we tracked 30 years of them using currents

Research shows storms that might have caused minimal damage a few decades ago are becoming stronger and more destructive as the planet warms.
An army officer speaks with a firefighter amidst destroyed homes in Channel-Port aux Basques, N.L., on Sept. 26, 2022. THE CANADIAN PRESS/Frank Gunn

Fiona was one of Canada’s worst natural disasters, but evacuations prevented greater losses in Atlantic Canada

Evacuations can save lives, as in the case of post-tropical cyclone Fiona. As more frequent extreme weather events are set to occur, it is important to have evacuation plans in place.
Southern Africa’s summer rainfall regions currently experiencing the wet-season will likely continue having wetter than normal conditions. SimpleImages/Getty Images

Southern Africa’s summer has been wetter than normal: here’s why

Southern Africa’s current above-average rainfall is a climate variability signal - a short-term fluctuation in average wet-season conditions.
When Hurricane Dorian, seen here from the International Space Station, stalled over the Bahamas in September 2019, its winds, rain and storm surge devastated the islands. NASA

What makes hurricanes stall, and why is that so hard to forecast?

Hurricane stalling has become common over the past half-century, and their average forward speed has also slowed.

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