“The heatwave which for days has enveloped eastern America is about to explode.”

“They probably died because we're in the middle of a heatwave and there was no power to their area.”

“On past experience this heatwave will end with a torrential downpour or a major thunderstorm, or both.”

“The boast came even as summer heatwaves in neighbouring eastern provinces put severe strain on already over-stretched power resources.”

“On the down side, I have proved to myself that citrus really do need to be nursed through heatwaves.”

“Hurricanes, floods, drought, freezing conditions and heatwaves all take their toll annually in varying numbers.”