During the first week of 2017, 46 (mainly
homeless) people died from the cold in Poland,
 when temperatures fell below −20 °C (−4 °F).
 Free public transport was provided in
Kraków because of the
smog caused by the cold weather.
Wrocław was also affected by smog with air quality in the area dropping to critical levels. Seven cold-related deaths were reported in Italy as of 9 January, mainly of homeless people,
 and parts of the country experienced exceptional falls of snow, high winds and freezing temperatures. Several airports were closed, including those in
 Ice formed on the Adriatic Sea,
 and schools in the south of the country were closed.
 On 10 January, shipping was halted along a 900 km (560 mi) stretch of the
Serbia, because of the icy conditions.
Eight deaths from the cold were reported in the Czech Republic, mainly of homeless people.
 The bodies of three migrants were found near the border between Bulgaria and Turkey.
Médecins Sans Frontières raised concerns about the risk to migrants, especially around 2,000 people living in
Bosphorus was closed to shipping after a snowstorm that also affected services in
Istanbul, Turkey, where more than 650 flights were grounded.
 Blizzards affected Bulgaria and also parts of Romania and Ukraine,
 and shipping on the
Danube was suspended.
Heavy snow in
causes major disruption to the traffic (11 January).
Temperatures fell to −20 °C (−4 °F) in Greece, where the
National Observatory of Athens referred to the weather phenomenon as Ariadne (after the goddess
 Greek authorities decided in 2016 in Greece to name extreme weather phenomena starting from January 2017; Ariadne was the first weather phenomenon to receive a name.
 The whole country was blanketed by unusually heavy snowfall, causing huge problems in transport. Snow even fell in
Santorini. One migrant died of cold, and many migrants on islands in the
Aegean Sea were moved into heated tents as the area was covered in snow.
 The authorities opened three
Athens Metro tube stations to homeless people to help protect them from the cold.
 Road and public transport in the country were also disrupted. On 10 January, it was announced that in
Thessaloniki in the province of
Macedonia only 130 buses out of 480–500 operated by
Thessaloniki Urban Transport Organisation were in operational condition.
 The islands of
Alonnisos declared a state of emergency after serious power failures and collapse of traffic due to snowfall.
Deaths were also reported in Russia and Ukraine. Temperatures in some parts of
European Russia fell to below −40 °C (−40 °F), setting records across the region.
 About 100,000 residents of settlements in
Moscow Oblast such as
Kotelniki lost electricity due to extremely harsh temperatures.
 On 11 January, the cold wave reached Albania, with temperatures reaching −22 °C (−8 °F) and supplies being flown in by army helicopters, mainly in the city of
Gjirokastër and the nation's capital
On 16 January, it was reported that the electricity prices in Europe were at their highest since 2008 as a result of power outages and increased demand. Romanian Energy Minister,
Toma Petcu, suggested that, if coal consumption remained high, reserves held by the country’s two major producers would only last for four days.