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Thursday, July 26, 2012

Being Hit with STORM of the Century EVERY YEAR

America’s infrastructure buckling from climate change: we’re being hit with the ‘Storm of century’ every year now

by The Extinction Protocol
Extreme heat is buckling highways across the U.S. High temperatures, solar activity, and derecho storms threaten power grids. Tempertures in ponds, used to cool nuclear plants, are getting too high to cool down reactors.
July 26, 2012 – WASHINGTON — From highways in Texas to nuclear power plants in Illinois, the concrete, steel and sophisticated engineering that undergird the nation’s infrastructure are being taxed to worrisome degrees by heat, drought and vicious storms. 
On a single day this month here, a US Airways regional jet became stuck in asphalt that had softened in 100-degree temperatures, and a subway train derailed after the heat stretched the track so far that it kinked — inserting a sharp angle into a stretch that was supposed to be straight. 
In East Texas, heat and drought have had a startling effect on the clay-rich soils under highways, which “just shrink like crazy,” leading to “horrendous cracking,” said Tom Scullion, senior research engineer with the Texas Transportation Institute at Texas A&M University. 
In Northeastern and Midwestern states, he said, unusually high heat is causing highway sections to expand beyond their design limits, press against each other and “pop up,” creating jarring and even hazardous speed bumps
Excessive warmth and dryness are threatening other parts of the grid as well. In the Chicago area, a twin-unit nuclear plant had to get special permission to keep operating this month because the pond it uses for cooling water rose to 102 degrees; its license to operate allows it to go only to 100. According to the Midwest Independent System Operator, the grid operator for the region, a different power plant had had to shut because the body of water from which it draws its cooling water had dropped so low that the intake pipe became high and dry; another had to cut back generation because cooling water was too warm. 
The frequency of extreme weather is up over the past few years, and people who deal with infrastructure expect that to continue. Leading climate models suggest that weather-sensitive parts of the infrastructure will be seeing many more extreme episodes, along with shifts in weather patterns and rising maximum (and minimum) temperatures. 
“We’ve got the ‘storm of the century’ every year now,” said Bill Gausman, a senior vice president and a 38-year veteran at the Potomac Electric Power Company, which took eight days to recover from the June 29 “derecho” storm that raced from the Midwest to the Eastern Seaboard and knocked out power for 4.3 million people in 10 states and the District of Columbia. 
In general, nobody in charge of anything made of steel and concrete can plan based on past trends, said Vicki Arroyo, who heads the Georgetown Climate Center at Georgetown University Law Center in Washington, a clearinghouse on climate-change adaptation strategies. Highways, Mr. Scullion noted, are designed for the local climate, taking into account things like temperature and rainfall. 
“When you get outside of those things, man, all bets are off.” As weather patterns shift, he said, “we could have some very dramatic failures of highway systems.” NY Times
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