a polar bear was tranquilized after it was swept from its enclosure. the northeast heat wave has melted away dozens of record highs and more of the same is on tap for today. heat warnings and advisories have been issued from virginia to maine. some of the most populated cities in the country could close in on the 100 degree mark. here s abc s diana perez. heat wave reporter: martha and the vandellas sang about it back in 1963. today, we re living it. a heat wave making its way across the country, 13 states in the northeast are under heat warnings and advisories. temperatures in new england spiked 20 degrees in 24 hours. the summer is here. yeah! reporter: the steamy hazy conditions kept new york city s cooling centers full. just sit down and be cool. reporter: but not everyone can stay inside, because some people work outside. i m drinking water all day. delivering and drinking all day. reporter: not a bad idea. especially since there s so many people that want to b