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[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2010/images/07/07/thermometer.gi.art.jpg caption="Heat advisories are in effect until Wednesday evening in the Northeast."]

Triple-digit temperatures to roast Northeast for another day

(CNN) – A scorching record-breaking heat wave continues to roast much of the Northeast, with the National Weather Service keeping in effect heat advisories in the region until Wednesday evening.

In addition, the service has issued an "excessive heat warning" until 8 p.m. Wednesday for Philadelphia, Pennsylvania; Trenton, New Jersey; and parts of Delaware.

Officials are advising people to stay indoors as the prolonged heat and humidity creates a "dangerous situation."

Already, the heat has claimed the life of an elderly woman in Philadelphia - where temperatures hit 102 degrees Tuesday.

The temperature also topped the century mark in Boston, Massachusetts; Washington and New York - where it hit 103.

Amidst the oppressive 100-degree heat, as many as 9,000 customers of Connecticut Light and Power in Stamford, Connecticut, were without electrical service Tuesday. A heat-related transformer failure at a substation in Stamford caused the outage, said a spokeswoman for the power company. Read more

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