Summer temperatures include water fun, our weatherman knows that too. He does not want to spoil the fun, but it is still necessary to warn people about a cold shock. “Every year there are deaths as a result,” he explains. Such a cold shock or hydrocution is caused by the large temperature difference between our body, which has an average temperature of 36.2 degrees, and the temperature of the water, which sometimes only is 15 or 16 degrees.A thermal shock can make a person unconscious, which can have fatal consequences in the water.
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The temperature of the sea water is currently only 15 degrees, but the inland waters are also still very fresh. Moreover, the water cools down as soon as you go deeper. “That goes very quickly, especially when you jump,” rescuer Tom Cocle explained earlier. “Your body reacts by tensing between muscles, the air is pushed out of your body, after which your glottis closes and you can no longer shout or breathe. In the sea water flows from bottom to top, in a lake it remains the same.”