According to NASA, the average global temperature has increased by at least 1.1 degrees Celsius (1.9 degrees Fahrenheit) since 1880. You can think of it as a balloon - when it’s heated the volume is going to get larger, so therefore it can hold more moisture.”įor every 1 degree Celsius (1.8 degrees Fahrenheit) that the atmosphere warms, it holds approximately 7% more moisture. “Warm air expands and cool air contracts. “Sixty-eight degrees Fahrenheit can hold twice as much water as 50 degrees Fahrenheit,” said Rodney Wynn, a meteorologist at the National Weather Service in Tampa Bay. While climate change is not the cause of storms unleashing the rainfall, these storms are forming in an atmosphere that is becoming warmer and wetter. Instead of allowing heat to radiate away from Earth into space, they hold onto it. Pollutants, especially carbon dioxide and methane, are heating up the atmosphere. That’s because a warmer atmosphere holds more moisture, which results in storms dumping more precipitation that can have deadly outcomes. The additional warming that scientists predict is coming will only make it worse. This follows last week’s relentless flooding in India, Japan, China, Turkey and the U.S.Īlthough the destructive floods are occurring in different parts of the world, atmospheric scientists say they have this in common: With climate change, storms are forming in a warmer atmosphere, making extreme rainfall a more frequent reality now. Phil Murphy following significant damage from flooding and landslides. A state of emergency was declared in New Jersey by Gov. Flooding also struck parts of New Hampshire, Massachusetts, Connecticut, New York and New Jersey this past weekend. In the U.S., flooding claimed five lives in Upper Makefield Township, Pennsylvania, where a search is ongoing for two missing children. There were several dozen fatalities in central and southern regions of South Korea, including the Chongju region where an underpass flooded and drowned motorists who became trapped in their submerged vehicles. Extreme rainfall accompanied by deadly flooding hit the United States and several other countries over the weekend and last week.
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