Wednesday 15 January 2020

The warmer than normal annual average temperature in Sweden since the 90s continues

The winter continues to be mild, and today Stockholm and other Swedish cities set their heat records for January, according to Swedish newspaper Aftonbladet. The weather conditions are, according to SMHI's meteorologists, due to southwesterly winds that bring mild Atlantic air to Scandinavia. Although the temperatures for the season are high, it is not possible to connect a single mild winter to global warming. 

- But we have a climate indicator for winter temperatures for the whole of Sweden from 1860. We see a striking change since the 1990s, compared with the period 1961-1990. The cold winters are becoming increasingly unusual, says Erik Engström, a climatologist at SMHI, to TT.

Below you can see that the past two decaedes only one out of 20 years was slighly cooler than normal (2010).


The top maps show the annual average temperature deviation (in ° C) from the normal yearly average temperature (average 1961-1990) for the year 2000 to 2019. The analyzes are based on observations from all stations that daily report temperatures in Sweden. The lower map shows how much the average temperature for the period 1 January to 14 January 2020 deviates (in ° C) from the normal average temperature for the period (average 1961-1990). The analyzes are based on observations from about 200 stations that report daily temperatures (source SMHI).

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