Intense instability is expected to prevail in the new week in much of the country, according to forecasts of the National Observatory of Athens / meteo.gr. Thunderstorms will occur which in places will be accompanied by hail. On the occasion of this development, meteorologists explain where the hailstorms are attributed at this time.

The amount of electrostatic activity recorded in Greece in June was very high, said the the National Observatory of Athens (NOA).