For the Baltic Sea, storms often cause new oxygen-rich salt water to flow in from the west.
It can give life to dead bottoms but also make life better for cod and other animals in the sea.
Catherine Legrand, professor of marine ecology at Linnaeus University and Halmstad University, looks like a storm at a large blender in the sea.
– Kraftiga vindar gör att havsvattenytan blir riktigt blandad, och det kan ske från ytan ner till 200 meter. Det påverkar alla alger och allt liv som finns i havet, säger hon.
Högre syrehalt märks snabbt
Effekterna efter en storm märks både på kort och lång sikt, försklarar Catherine Legrand.
– Temperatur och syrehalt i vattnet kan man ibland se efter några timmar. För mikroorganismer som lever i Östersjön kan det ta några dagar innan man ser en positiv effekt av att vatten med hög syrehalt har kommit in. För större organismer, till exempel torsken, kan det ta flera år innan en positiv effekt märks, säger hon.
The storm Malik in particular may have had a limited effect in terms of inflow of water with higher oxygen content.
The high water level made it difficult for new water to enter, and for the water that flows in to reach the deep parts of the Baltic Sea where there is often a lack of oxygen, larger amounts of water are required, according to Karin Wesslander, oceanographer at SMHI.
- It did not blow for a long time.
New water has come in but not in any large quantity, she says about the weekend.
Javascript is disabled
Javascript must be turned on to play video
Read more about browser support
The browser is not supported
SVT does not support playback in your browser.
We therefore recommend that you switch to a different browser.
Read more about browser support
It is not entirely easy to stand in a storm and in a live broadcast at the same time.
See the reporters' brave efforts in the clip.
Photo: SVT
The winds gave lower electricity prices
Malik's winds also gave wind power a boost with high electricity production this weekend, according to Johan Sigvardsson, electricity price analyst at the company Bixia.
The price of electricity is affected by how much it blows and this weekend the price fell.
- Wind power helped to push the price picture, says Johan Sigvardsson.
The last few weeks have been windy and none of the weekend's stormy days really reached the record for wind power production in Sweden, which was broken on 20 January.
At that time, 489 GWh (gigawatt hours) were produced.
The previous peak was from 13 January.
- This weekend it blew the most in southern Sweden.
Most wind power is in the north and therefore there was no record.
It was sometimes also too strong winds for the wind turbines to produce, says Johan Sigvardsson.
Hear Catherine Legrand about how storms benefit the Baltic Sea in the clip above