Definition of "heatwaves" []

• Plural form of heatwave. (noun)

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• ""Generally speaking when we have 'heatwaves' it takes until the third, fourth or fifth day of protracted heat before it has an effect on the stats," South Australian Ambulance Service duty director Keith Driscoll said."
• "In a "Copenhagen Diagnosis" report, 26 leading scientists urged action to cap rising world greenhouse gas emissions by 2015 or 2020 to avoid the worst impacts of climate change such as heatwaves, floods, disease and droughts."
• "* Comparing effectiveness of short-term interventions - Different countries have taken a variety of approaches to deal with climate change-related health threats such as heatwaves and floods."