Beschrijving

Visibility below 200m

Instructies

Traffics problems (to possible traffic blockade), makes already existing dangerous security situations more complicated (partial or total blocking of rescue actions). Unfavourable conditions for chronically sick, people under therapy, medical control and meteoropaths (fog and low cloud). In terms of negative air temperatures, the objective risk of freezing fog droplets and icing.

Beschrijving

Minimum temperature lower than -5°C above 1000 MSL lower than -10°C

Instructies

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.

Beschrijving

Glaze or icing on wet areas

Instructies

Problems in traffic and transport (slippery road condition). The adverse impact of freezing on transmission lines (lines for the transmission of electricity), electric railways, ski lifts, TV towers and other antenna towers.