Greece's National Meteorological Service (EMY) issued an extreme weather warning for early Wednesday through Thursday morning in central and northern Greece, with storms, strong winds and possible hail.
The weather bulletin forecast rainstorms running through Thursday morning in central and eastern Macedonia, Thrace, Thessaly and the northern Aegean islands.
It also forecast possible hailstorms in the above areas, and gale-force winds of 7-8 beaufort velocity, as well as a sharp drop in temperatures.