Vetle Berntsen and the others on the trawler understood little when the black fish ended up on board. No wonder – the fish actually live in deep water around the equator. It turned out to be Diretmichthys parini, also known as ducat fish, one of three documented in Norway.

The cold and dry weather continues without relief. At Nordnes in Saltdal, less precipitation has never been recorded. Now more and more people are experiencing both pipes and sewage freezing.

Rana municipality has been warned that there have been several avalanches in Stormdalen near Skarpneset. This has led to large amounts of water accumulating – potentially triggering a flood.

As the weather gets warmer, the mosquito comes to life. Also in North Norway. But when Frank Pedersen enjoyed himself in the sun on 17 May, he was "attacked" by a mosquito he has never seen in Nordland before. It was Great house mosquito, Culiseta annulata.

Ever since the first major snowfall this year, there have been warnings of avalanche danger in northern Norway. However, the recent cold period makes the area extra exposed. The avalanche that seriously injured a man on Kistrand was a "slippery avalanche", which differs relatively distinctly from an "ordinary" avalanche.

The Skjoma River in Narvik is frozen through in several places – and locals fear the salmon population will have to endure a sharp reduction again. Statkraft says it will lose money if they release more water.

Winter will never be the way it was, according to scientists. Towards the end of the century, the Norwegian Meteorological Institute predicts that the winter weather will gradually disappear from Oslo.