Frosty conditions prevailed in the mountainous regions of Greece on Thursday, with the lowest temperature of -27.8 Celsius recorded in the Vatistalos karst depression on Parnassus in central Greece at 9 a.m.
The reason for the low temperatures is a clear night sky, no wind and already covered with snow or frozen ground.
According to the network of weather stations of the Athens National Observatory / meteo.gr, the lowest temperatures were recorded in the Lailias mountain hut in the Serres area (-11.8 ° C), and also recorded in Volakas in Nevrokopi (-11.6 ° C), Vlasta, Kozani (-10.5 ° C), in Grevena (-9.7 ° C), in Vovus, Ioannina (-9.4 ° C), and in the ski resort of Kellaria, Mount Parnassus (-9.1 ° C).
In urban centers such as Athens, temperatures are low, although a few degrees above freezing.
However, meteorologists in the country predict changes for the better: on Christmas days southerly winds will blow and sunny weather is predicted, which has already led to a slight increase in temperature.
* Natural closed depressions found in karst landscapes. They are described as small and medium-sized closed depressions, from meters to tens of meters both in diameter and in depth.
Karst troughs are surrounded by higher ridges that isolate them from wider air circulation. Thus, they are characterized by long periods of frost and extreme values of minimum temperatures even in the summer months, meteo.gr notes.
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