Intense heat wave conditions further intensifiedin most parts of Haryana and Punjab with Hisar and Chandigarh sizzling at a high of 45.5 and 43 degrees Celsius respectively.Hisar in Haryana was the hottest place in the two states, the Met Department said.As maximum temperatures rose further since yesterday, many places including Hisar, Chandigarh, Narnaul and Patiala recorded season's hottest day.Chandigarh, the common capital of the two states, was hotter by five notches against normal.Among other places in Haryana, Narnaul sizzled at a high of 45.3 degrees Celsius, four notches above the normal. Bhiwani, too, had a very hot day at 44.8 degrees Celsius.Karnal and Ambala reeled under severe heat wave conditions, recording maximum temperatures of 44 and 43.3 degrees Celsius respectively.In Punjab, Patiala had a hot day at 44 degrees Celsius, up by five notches against normal limits.Ludhiana, too, experienced the hot weather at 43 degrees Celsius, up by four notches while Amritsar's maximum settled at 41.5 degrees Celsius.According to the Met forecast, heat wave conditions are likely to continue at isolated places in Haryana and Punjab tomorrow and day after.