Science Source
Recent increases in tropical cyclone precipitation extremes over the US east coast
Study significance & key findings
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Sluggish hurricanes are dumping more rain over the coastal Southeast than in centuries past thanks to climate change.
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Over 300 years of tree ring data show how rainfall from hurricanes has changed in the Carolinas.
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Extremes in tropical cyclone precipitation have increased between 64 to 128 millimeters (2.52 to 5.04 inches) compared with the early 1700s, mostly in the last six decades
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Global urban population exposure to extreme heat
Study key findings & significance
- Exposure to potentially deadly extreme heat between 1983 and 2016 tripled worldwide due to population growth, climate change, and cities getting hotter as roads and other hard surfaces absorb heat from the sun.
- Most of the increased exposure to deadly heat is being felt in South Asia and sub-Saharan Africa—places that are already very hot and where urban populations are growing rapidly.
- This study is the first to examine in fine detail global trends in extreme heat exposure across urban areas.
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