Helsingin Sanomat
The Baltic Sea currently has the most extensive ice cover that it has seen in 24 years. On Thursday, 310,000 square kilometres of the sea were covered in ice, and the area is growing.
After the severe winter of 1987, the ice cover in the Baltic was nearly 400,000 square kilometres wide, which in practical terms means that the entire surface of the Baltic was effectively covered in ice. The entire sea has been completely frozen over just 20 times since 1720.
The ice is at its thickest in coastal areas of the northern reaches of the Gulf of Bothnia, where it has reached a thickness of 75 centimetres. The ice is also 75 cm. thick off St. Petersburg in the eastern reaches of the Gulf of Finland.
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Ice covers Baltic Sea all the way down to Swedish island of Gotland
Rahvusvahelised uudised | 25 Feb 2011 | EWR
Rahvusvahelised uudised
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