- Warning valid below 800 m a.s.l. - Possible impacts: Significant risk of circulatory problems. - Recommendations for action: Drink (preferably unsweetened) liquids regularly and in sufficient quantities (at least 1.5 litres a day). Protect yourself from direct sunlight (stay in the shade, wear suitable clothing, a hat, sunglasses and sun cream). Avoid vigorous physical activity or compensate for salt loss during or after sport activities. - Highest temperatures and humidity: 32 - 35 °C, 35 - 50 % - Lowest night temperatures: 19 - 23 °C - Peak phase of the event: Sun 12 - Mon 20 - Temporary mitigation: -