keep informed about weather forecast;
during thunderstorms, avoid leaving your house and disconnect appliances from power grid, phone and TV lines;
if you are away from home, look for a cover and do not shelter under isolated trees, antennas, electrical towers (a dense forest is better, under a non-lone tree and lower than the surrounding ones);
if you are travelling, stop your car under a safe cover, stay inside and keep the windows closed;
get away from the waterways and do not stand on bridges;
in case of strong wind, do not stop under billboards, scaffolding, hanging structures, trees, etc.;
avoid sports and recreational activities.
The only number to call in case of emergency: 112