urban heat kvrdz, up -- advisory, up in philadelphia, and staying steamy, and hot until midnight tonight. by daybreak tomorrow, in the morning, the humanity is on the very very high side, so not much relief tonight. when we might see a break in the heat, exactly, that's coming up. >>> you know, the thing is, that's all anyone is thinking about today, and the key to this, if you want to stay cool, get out of the sun. if you can't get ready for it, that's the best advice you can have. baltimore is a city of stone and brick houses, probably not the best places to find the relief from the heat. the temperatures will feel like they're in the 100's, but mostly everyone knows what to do, stay out of the sun, stay hydrated, and if you are outside, take breaks, and drink plenty of water. you have to be alert for someone in trouble. >> certainly, if you come across someone who's sweating or they're so dehydrated they're not sweating anymore, if they're not acting