Extremely cold weather has not come only into Scandinavia, with the strongest early frosts since 1945 (-43,8°C in Sweden: https://mkweather.com/the-worst-predictions-came-true-sweden-427c-the-lowest-temperature-in-naimakka-in-december-in-all-time-history/) and the strongest early winter in Baltic region since 1959 (-27,6°C in Estonia: https://mkweather.com/the-strongest-early-frosts-in-the-baltic-region-in-62-years-since-1959-tartu-estonia-276c-zoseni-latvia-264c/), but very old temperature record was broken in Venice of the North – St. Petersburg, Russia.
In the middle of the city, with the heat island effect, the minimum temperature on 6. December 2021 dropped to -20,9°C, which is the coldest temperature in the city on 6. December since 1893.
In the wider metropolitan region, such as in Estonia and Finland, frosts around -30°C have occurred and are still forecasted.
The city is after a severe blizzard, too, with a current snow cover of 30 cm.
The next cold times are forecasted approximately until the half of the month, while before Christmas should be relatively warmer.
However, around Christmas and New Year 2021-2022, extremely cold weather should return /https://mkweather.com/winter-in-europe-will-return-around-christmas-and-new-year-2022-especially-in-the-central-and-eastern-sector-long-term-forecast-until-10-january-2022/; https://mkweather.com/white-christmas-2021-a-big-snow-forecast-for-europe-until-10-january-2022//.
Cold weather has a bad impact on the virological situation, heart attack rates, many kinds of cancer, or should cause hypothermia.
Blizzards should cause widespread problems on roads, highways, or railways and power outages, including metropolitan areas.
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