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| Storm Emma (2018) | |
|---|---|
| Name | Storm Emma (2018) |
| Date | March 2018 |
| Areas affected | Western Europe, British Isles, Iberian Peninsula |
Storm Emma (2018) was a severe extratropical cyclone and accompanying cold wave that affected large parts of Western Europe and the British Isles in March 2018. The system interacted with an Arctic blast known as "the Beast from the East," producing heavy snow, blizzard conditions, and prolonged low temperatures across United Kingdom, Ireland, Spain, Portugal, and parts of France and Belgium. The storm prompted widespread alerts, transport shutdowns, and emergency responses from national and local authorities.
Storm Emma originated from a deepening low over the eastern North Atlantic Ocean that intensified while moving toward the British Isles in early March 2018. The cyclone's development was influenced by a strong upper-level trough associated with a blocking North Atlantic Oscillation pattern and a displaced polar vortex interacting with a cold anticyclone over Scandinavia. As the system approached, a surge of warm, moist air from the Bay of Biscay overran an eastward-moving cold dome, producing heavy snowfall through frontal overrunning and isentropic lift across western and central Europe. Meteorological agencies including the Met Office, Met Éireann, AEMET, and Météo-France issued synoptic analyses and warnings as the storm deepened and occluded.
National meteorological services coordinated with civil protection agencies such as the Civil Contingencies Secretariat in the United Kingdom, the Department of Housing, Planning and Local Government in Ireland, and regional authorities in Castile and León, Andalusia, and Galicia to issue red, orange, and yellow alerts. Rail operators including Network Rail and Iarnród Éireann adjusted timetables while airports such as Heathrow Airport, Dublin Airport, and A Coruña Airport implemented contingency plans. Emergency services—Ambulance Service Northern Ireland, London Fire Brigade, and local municipal brigades in Spain—mobilised sand and salt supplies, gritters and snowploughs from suppliers and councils like Manchester City Council and Glasgow City Council to treat major arterial routes and motorways such as the M6 motorway (England), M1 (Northern Ireland), and the A1 (Scotland).
In the United Kingdom, heavy snow and drifting caused widespread school closures across Wales, Northern Ireland, Scotland, and England, with notable disruption in urban centres including London, Bristol, Manchester, and Edinburgh. In Ireland, counties such as Galway, Mayo, and Cork experienced significant snowfall leading to road closures and power outages. In Spain, the storm caused floods and snow in Madrid, León, and Zamora, affecting provinces of Castile and León and Extremadura. Portugal recorded unusual snowfall in higher elevation areas like Serra da Estrela. Cross-border impacts extended into France, particularly in Brittany and Normandy, and affected international events scheduled in cities like Paris and Brussels.
Rail services operated by Eurostar and regional operators faced cancellations and speed restrictions; TransPennine Express and Northern Trains altered services. Major trunk roads including the M25 motorway, A14 road, and sections of the E-road network were closed or treated as incidents persisted. Airports including Heathrow Airport and Dublin Airport cancelled flights, while ferry services by operators such as P&O Ferries and Stena Line were disrupted by high winds and swell. Utilities infrastructure owned by companies like National Grid and regional distribution firms experienced faults causing outages, and rail electrification equipment and signalling systems faced ice-related failures noted by Network Rail.
Emergency responses involved multi-agency coordination among NHS England, Health Service Executive, and local ambulance trusts, with hospitals in Birmingham, Liverpool, and Galway activating escalation protocols. Local authorities coordinated warming centres and welfare checks through partnerships with charities such as British Red Cross, Irish Red Cross, and Cruz Roja Española. Search and rescue operations were conducted by organisations including Mountain Rescue England and Wales, Scottish Mountain Rescue, and the Irish Coast Guard for stranded motorists and hill walkers, while law enforcement agencies like the Police Service of Northern Ireland and Metropolitan Police Service enforced road closures.
The storm caused lost workdays across sectors including retail and manufacturing in hubs like Greater Manchester and West Midlands, affecting supply chains connected to ports such as Port of Felixstowe and Port of Liverpool. Agriculture in rural areas of Galicia and Normandy reported livestock and crop losses, while energy demand surged, influencing markets overseen by Ofgem and energy suppliers operating in the European Energy Exchange. Environmental impacts included snowmelt-driven runoff affecting river basins such as the River Severn and the River Shannon, raising local flood risk, and salt and grit application on roads led to roadside vegetation stress documented by regional environmental agencies.
Recovery involved debris clearance, restoration of power by distribution operators, and infrastructure repair contracts awarded to firms contracted by local councils and national agencies. Investigations into transport resilience were initiated by bodies like the Rail Safety and Standards Board and public inquiries by city councils in affected metropolitan areas. Humanitarian follow-up by organisations such as Shelter (charity) and local food banks addressed ongoing welfare needs, while academic groups at institutions including Imperial College London and Trinity College Dublin analysed meteorological data to inform future forecasting and resilience planning.
Category:2018 meteorology Category:Weather events in the United Kingdom Category:Weather events in Ireland