Why Hurricane Sally’s slow movement makes it more dangerous over Gulf Coast

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A resident looks at the broken power cable as it lies on the street during Hurricane Sally in Pascagoula, Mississippi on September 16, 2020.CHANDAN KHANNA | AFP via Getty ImagesHurricane Sally stalled over the warm waters of the Gulf of Mexico before making landfall early Wednesday, bringing heavy rain to coastal communities in Florida, Alabama, Mississippi and Louisiana. The storm’s incredibly slow pace, which at times was just 3 miles per hour, as well as its stalling over the Gulf represent a climate change effect that’s triggered rainier and more destructive and frequent storms. Slower storms unleash more rain and long-lasting winds. As of Wednesday morning, Sally was heading northeast at about 5 mph. Sally comes as the U.S. West Coast battles historic wildfires made worse by human-caused climate change. The blazes have wiped out entire communities in Oregon and Washington state, decimated a record number of acres in California and caused some of the worst air quality in the world in those regions. The pace of tropical storms making landfall has slowed during the last several decades. The lingering creates worse rainfall and flooding. North Atlantic hurricanes specifically have been moving slower and stalling more frequently over the past even decades, according …

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