説明

Minimum temperature lower than -4°C above 1000 MSL lower than -10°C

使い方

The predicted minimum air temperatures are not uncommon but take the necessary measures of protection for outside activities. They are especially dangerous lakes of cold air for longer stay in them. Problems in thermal and electric power supply. Possible risk of freezing water pipes in the backyard and water installations. Unfavourable conditions for chronically sick, people under therapy and medical control or meteoropaths.