Monday, August 28, 2017

Those Very Bad People In The News Media Strike Again

On Friday, a co-host on Fox News' "The Five" complained "You could see this coming. CNN didn’t wait long to bring up climate change in its Hurricane Harvey coverage.”

There is one likely explanation: because the storm has been more severe because of climate change. Hockey stick  climatologist Michael Mann explains the

simple thermodynamic relationship known as the Clausius-Clapeyron equation that 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, which translates to 1-1.5C warmer than “average” temperatures a few decades ago. That means 3-5% more moisture in the atmosphere.

That large amount of moisture creates the potential for much greater rainfalls and greater flooding. The combination of coastal flooding and heavy rainfall is responsible for the devastating flooding that Houston is experiencing.

Environmental Defensee Fund Senior Climate Scientist Scott Weaver pointed out

in the span of just five months, the United States logged no fewer than four deadly 1,000-year floods in states as widespread as Texas, West Virginia, Maryland and Louisiana – following a 1,000-year-flood that ravaged South Carolina last October.

He notes this is a long-term ttrend (map below from National Climate Assessment, 1958-2012) in that

observations over the last 60 years indicate that over the United States, the amount of water falling in heavy rain events has increased substantially, and an astonishing 71 percent over portions of the mid-Atlantic and northeastern U.S.

Note, moreover, that he wrote "In other words, if there were two storms with an identical structure over Boston, Massachusetts – one in 1955 and one in 2016 – the one in 2016 would, on average, produce 71 percent more rainfall."

"In 2016," Weaver maintains- because his explanation has not come on the heels of Harvey but nearly twelve months ago.

"They have been fake news for a long time. They've been covering me in a very, very dishonest way," President Trump whined in Poland.  And now, the network has the temerity to put tropical storm Harvey in context. If Trump and Fox News don't keep their eye on them, there is no telling what those reprehensible CNN people will do next:

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