NEW YORK - JULY 10: A man wipes sweat from his face July 10, 2007 in New York City. New York City is experiencing a second day of a heat wave with temperatures in the upper 90`s and uncomfortable humidity levels. (Photo by Spencer Platt/Getty Images)
NEW YORK - JULY 10: A man wipes sweat from his face July 10, 2007 in New York City. New York City is experiencing a second day of a heat wave with temperatures in the upper 90`s and uncomfortable humidity levels. (Photo by Spencer Platt/Getty Images)

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    Nighttime 'lows' more dangerous than highs

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Nighttime 'lows' more dangerous than highs

The hazards of heat waves continue even after the sun goes down. CNN meteorologist Jennifer Gray explains.
Source: CNN

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Nighttime 'lows' more dangerous than highs

The hazards of heat waves continue even after the sun goes down. CNN meteorologist Jennifer Gray explains.
Source: CNN