The Pakistan Meteorological Department (PMD) warned of above normal temperatures and chances of heatwave episodes during March to May, Dawn News reported.According to the PMD'slatest advisory issued on Friday, normal rainfall is forecast for this people although the northern parts of Khyber Pakhtunkhwa and most of Gilgit Baltistan may receive slightly below-normal precipitation.According to Dawn News, seasonal mean temperatures are expected to remain above normal over most parts of the country with chances of heatwave episodes.Because of expected above normal temperatures, water stress is predicted for agriculture and domestic needs during the forthcoming season, Dawn cited the PMD as saying.Prior to the PMD alert, weather expert Jawad Memon predicted that the summer season in Karachi could be extremely hot this year as the temperatures in the month of February were above normal.Memon told Geo News that the rising temperature in February indicated extremely hot weather in the coming days.Pakistan has been witnessing an unusual rise in temperatures, causing longer and more intense summers and heavy rains due to global warming.Last year, the country was devastated by catastrophic floods following monster monsoons.The post Pakistan meteorologists warn of possible heat waves over next 3 months first appeared on Ariana News.