1975 Report: UHI Causes Extreme Weather: ‘Already man-made climate changes are clearly evident around cities. Buildings & pavement tend to store more heat than…surrounding countryside’
NASA's James Hansen says that UHI makes cities cooler: 'Such 'heat islands' change wind patterns including creation of vertical plumes of hot air rising some 3,000 feet over some cities. As a result, a survey of nine American cities showed increased rainfall in the vicinity ranging from 9.0 to 27.0 percent. The severity of these storms is also affected'