With a current warning for a low-intensity and severe heatwave, we thought it would be best to explain exactly what a heatwave is and how it is classified. 🌡️ It takes more than just a high daily maximum temperature to define a heatwave. It's also about how much it cools down overnight. ☀️ By definition, a heatwave occurs when the maximum and the minimum temperatures are unusually hot over a three-day period in a specific location. This is considered in relation to the local climate and past we