Quick Answer
To prevent overheating before shivering starts, use evaporation cooling, such as wetting clothing and allowing air to evaporate, or employ conductive cooling, like sitting in a shaded area on a cold surface, or apply the cooling pad technique with a wet cloth and a fan. These methods reduce body temperature and prevent hypothermia.
Evaporation Cooling Techniques
Evaporation cooling is an effective method to reduce body temperature before shivering starts. Wetting clothing with water and allowing it to evaporate can lower body temperature by 1-2°C (1.8-3.6°F) in a short period. To optimize this technique, wear lightweight, breathable clothing and position yourself in a gentle breeze. Aim to wet 10-20% of your body surface area to achieve the best results. This method can be enhanced by using a fan to increase air movement and speed up evaporation.
Conductive Cooling Methods
Conductive cooling involves transferring heat from the body to a cooler surface. Sitting in a shaded area on a cold surface can lower body temperature by 2-3°C (3.6-5.4°F) in 30 minutes. To employ this method, find a shaded area with a cool surface, such as a rock or a concrete floor. Remove excess clothing to maximize heat transfer and stay for an extended period to achieve optimal temperature reduction. Another option is to use a cooling pad with a wet cloth and a fan, which can lower body temperature by 3-4°C (5.4-7.2°F) in 20 minutes.
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.