Bring on the baked Big Apple references, because the "heat advisory" for Bronx, Kings, New York, Queens, Richmond Counties remains in effect until 6 p.m. tonight. Another one will go into effect tomorrow between 1 p.m. and 6 p.m. The heat wave is expected to last a few days, and Con Ed claims it can meet the extra electricity demand, but a spokesman adds, "Nevertheless, power problems can occur...We'll work very quickly to get them......