Storm Amy is disrupting southern Norway, Denmark and Sweden on Saturday, 4 October 2025, with red warnings in the hardest‑hit areas, scattered power outages, transport cancellations and a rising risk of floods and landslides. Authorities urge residents to limit travel as the system moves east. The storm is ongoing and this article will be updated as new information arrives.
Storm Amy in Norway
By late afternoon, police in Trøndelag reported three minor injuries and over 200 incidents, urging residents to stay indoors and avoid driving. The Norwegian Labour Inspection Authority cautioned that post‑storm cleanup is high‑risk work and should be postponed where possible. In Røros, authorities said the entire municipality was without power, with crisis management activated and health services on backup power.
Grid operator Elvia counted around 15,000 customers without electricity across Oslo, Akershus, Innlandet and Østfold, noting that restoration is complex due to scattered faults. In Agder, outages fell to about 12,490 customers from 23,000 earlier as repairs progressed.
In Oslo, the National Museum (Nasjonalmuseet) closed one light hall after a roof leak; no artworks were damaged. Meteorologists flagged a blowing‑snow risk in the mountains of Southern Norway lasting into Sunday morning. Road authorities reported around 100 road closures in Vestland and Rogaland as crews continued debris clearance.
Norway expands flood and landslide alerts
Norway’s Water Resources and Energy Directorate (Norges vassdrags‑ og energidirektorat, NVE) has upgraded and widened flood and landslide warnings across parts of Sør‑ og Østlandet, adding municipalities including Oslo.
The Meteorological Institute (Meteorologisk institutt) kept red alerts in Telemark and Vestfold for extreme rain and issued orange alerts for severe wind along the Skagerrak coast. Emergency services report treefalls, local flooding and debris blocking roads.
Power and mobile networks under strain
Utilities report widespread power cuts after trees struck distribution lines, with grid operators warning that repairs could take time in hazardous conditions. In southern and central Norway, outages peaked above 100,000 customers Saturday morning, with restoration progressing unevenly through the afternoon.
The telecoms authority Nkom says mobile and internet coverage is reduced or unavailable in parts of Møre og Romsdal, Trøndelag, Rogaland, Telemark and Vestland, and advises residents to keep devices charged and use Wi‑Fi calling where possible.
Storm Amy slows ferries and rail in Denmark
In Denmark, authorities flagged dangerous crosswinds on major bridges and ferry operators cancelled crossings, including on the Gedser–Rostock route. Rail services were curtailed or slowed on exposed stretches, while emergency crews handled downed trees and localised flooding. Organisers also called off outdoor events in high‑risk areas as wind and rain peaked.
In the afternoon, Helsingør Harbour reported multiple vessels in distress as heavy gusts strained moorings. The Danish Sea Rescue Society (Dansk Søredningsselskab) deployed about 15 responders to stabilise boats; the local station leader said a couple of vessels were close to sinking, and several historic ships sustained damage while being repositioned to minimise impact.
Storm Amy brings hurricane‑force gusts on Sweden’s west coast
In Sweden, the Swedish Meteorological and Hydrological Institute (SMHI) recorded gusts up to 33 m/s near Nidingen and issued orange wind warnings for parts of the west coast and Skåne’s south coast.
Train services were pre‑emptively suspended on some lines, and authorities reported fallen trees, road closures and ferry disruptions. Warnings eased during the afternoon along the west coast, but gusty conditions continue further east into the evening.
Roads closed and travel discouraged in exposed areas
Public roads agencies across the region reported dozens to more than a hundred closures due to fallen trees, landslides and downed cables. Officials in Norway advise that in some districts it is “not advisable to travel” until conditions improve, and urge residents to stay home unless travel is essential.
What to watch next
Forecasters expect winds to ease from west to east overnight, but saturated soils raise the risk of secondary hazards on Sunday, including new landslides, river surges and infrastructure failures where power restoration is ongoing. Nordic authorities will reassess bridge restrictions, ferry schedules and rail operations as conditions stabilise.
