Finland prepares for a weakened AMOC – new analysis challenge launched

A research led by the Finnish Meteorological Institute is describing the influence on Finland of a deteriorating Atlantic meridional overturning circulation (AMOC) for the primary time. The Government-funded HIIPUVA challenge is strengthening the data base in preparation for circumstances through which local weather tipping factors might quickly disrupt dwelling circumstances.

The AMOC is a stream sample within the Atlantic Ocean that regulates temperatures and precipitation throughout the globe by transporting heat water northwards and chilly water southwards. It consists of the acquainted Gulf Stream that brings heat water to northern Europe. The AMOC has deteriorated attributable to international heating in latest a long time, and at worst it may collapse with no prospect of restoration.

We know that the impacts of a deteriorating AMOC might embody modifications in temperature, precipitation and sea degree in Finland. At worst, this will imply a fall of a number of levels within the common midwinter temperature.

“Scientists have made disturbing predictions of an increasingly likely deterioration in the AMOC as climate change progresses. As the worst-case scenarios would have widespread impacts on Finland, it is important that we study these risks and prepare for them proactively,” explains Minister of the Environment and Climate Sari Multala.

A funding choice of the analysis unit supporting Government decision-making (VN Tutkiva) has allotted EUR 300,000 to the AMOC tipping level preparation in Finland (HIIPUVA) challenge coordinated by the Finnish Meteorological Institute. Other companions implementing the challenge are the Finnish Institute of International Affairs, the Finnish Environment Institute and Natural Resources Institute Finland. The challenge will proceed till the tip of 2027.

The HIIPUVA challenge research how a weakened AMOC would have an effect on Finland

The HIIPUVA challenge will present a scenario-based evaluation of how a deteriorating AMOC would have an effect on the Finnish local weather, the Baltic Sea, and society in Finland. It pays explicit consideration to impacts on agriculture, the vitality system and transport, and can examine dangers and wishes for preparedness. The challenge combines local weather mannequin simulations, influence assessments and stakeholder collaboration.

“Climate systems do not necessarily change in a steady, predictable way. A better understanding of the impacts of AMOC deterioration will help us prepare in time, enabling decisions that ensure functionality, safety and security of supply in society,” explains Finnish Meteorological Institute Research Professor Aleksi Nummelin.

Applications of data offered by the challenge will embody updating the nationwide danger evaluation, the plan for adapting to local weather change, and the technique for safety of society. The challenge will likely be applied in collaboration with Finnish and worldwide companions.

Inquiries

Aleksi Nummelin
Research Professor
Finnish Meteorological Institute
tel. +358 45 154 3774
[email protected]

Kaarle Kupiainen
Chair of the challenge monitoring group, Ministerial Adviser
Ministry of the Environment
tel. +358 29 525 0232
[email protected]

Juuso Kilpinen
Special Adviser to the Minister of the Environment and Climate Change
tel. +358 29 525 0128
[email protected]