Texas National Guard members rescue residents in a heavily flooded area of Houston. (Texas Military Department/flickr)
Jenna Ladd| September 11, 2017
This week’s On The Radio segment discusses how climate change is making storms like Harvey more likely.
Transcript: Over 51 inches of rain fell in the Houston area last month during Hurricane Harvey, setting a record for the continental U.S., and scientists say a changing climate added to the deluge.
This is the Iowa Environmental Focus.
The Clausius-Clapeyron equation, a law of thermodynamics, says that the warmer a body of air is, the more moisture it can hold. Sea surface temperatures near where Harvey picked up its strength were about 1 degree Celsius higher than average, making the air above it warmer too. In this case, the atmosphere surrounding Hurricane Harvey was able to hold roughly three to five percent more moisture than usual.
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