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Politics Chatboard

Climate Change and Texas Flooding!

by T.E.C. - Iowa

Aug 28, 2017

If you are wondering the role of climate change in the Texas flooding the estimate is, if Harvey dumps 4 feet of water on the Houston area in 2017, research suggests it would only have dumped 2.64 feet of rain if it had arisen in the 1749 hurricane season." (1749, because CO2 was at the pre-industrial level of 270 ppm rather than 407 ppm!)

Yet, not a peep from the news media - be it the major networks or the weather channel. If the following are not discussed at some point we have become a people who gets their butt kicked and never asks, "Why did that happen?"

The cause of the extra rain from Climatologist Michael Mann!

1. Sea level rise attributable to climate change - some of which is due to coastal subsidence caused by human disturbance such as oil drilling - is more than half a foot (15cm) over the past few decades.

2. The Clausius-Clapeyron equation tells us there is a roughly 3% increase in average atmospheric moisture content for each 0.5C of...See MoreIf you are wondering the role of climate change in the Texas flooding the estimate is, if Harvey dumps 4 feet of water on the Houston area in 2017, research suggests it would only have dumped 2.64 feet of rain if it had arisen in the 1749 hurricane season." (1749, because CO2 was at the pre-industrial level of 270 ppm rather than 407 ppm!)

Yet, not a peep from the news media - be it the major networks or the weather channel. If the following are not discussed at some point we have become a people who gets their butt kicked and never asks, "Why did that happen?"

The cause of the extra rain from Climatologist Michael Mann!

1. Sea level rise attributable to climate change - some of which is due to coastal subsidence caused by human disturbance such as oil drilling - is more than half a foot (15cm) over the past few decades.

2. The Clausius-Clapeyron equation tells us there is a roughly 3% increase in average atmospheric moisture content for each 0.5C of warming. Sea surface temperatures in the area where Harvey intensified were 0.5-1C warmer than current-day average temperatures. That means 3-5% more moisture in the atmosphere.

3. Not only are the surface waters of the Gulf of Mexico unusually warm right now, but there is a deep layer of warm water that Harvey was able to feed upon when it intensified at near record pace as it neared the coast. Human-caused warming is penetrating down into the ocean.

4. The stalling is due to very weak prevailing winds, which are failing to steer the storm off to sea, allowing it to spin around and wobble back and forth. This pattern, in turn, is associated with a greatly expanded subtropical high pressure system over much of the US at the moment, with the jet stream pushed well to the north. This pattern of subtropical expansion is predicted in model simulations of human-caused climate change.

5. There is more!

https://www.nasa.gov/sites/default/files/styles/full_width/public/thumbnails/image/harvey-goes-82517.jpg?itok=bHeSudoa

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