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  • PBS NewsHour

PBS NewsHour | Much of U.S. Broils Under Extraordinarily Massive 'Heat Dome' | PBS

Duration: 03:39
Program: PBS NewsHour #10114
Broadcast Date: Jul. 20, 2011

Nearly 200 million Americans spent Wednesday under some form of warning about the relentless, stifling combination of extreme heat and humidity, which formed a so-called "heat dome" over a vast region. Jeffrey Brown reports.

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Post Date: July 20, 2011