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Gale of January 1976

Extratropical cyclone and storm surge

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Meteorological history

December 1975 saw a deep low persisting over the northern Barents Sea with a high north of the Azores and west of Biscay, which enhanced a strong westerly flow over northern Europe. This anomalously strong westerly flow over the North Atlantic saw a low pressure maintained in the central Atlantic in association with an almost stationary upper trough. During the afternoon of 1 January, a depression broke away from this central Atlantic low from the SW of the Azores in a frontal wave, transporting a mass of warm and moist air and moved quickly northeast, to be centred 150 kilometres (90 mi) north-west of Malin Head Ireland, by midday on 2 January. On its journey, the system rapidly deepened, powered by an in-draught of cold air from the north which supplied temperature contrast powering explosive development. The low then passed eastwards, crossing central Scotland out into the North Sea to reach northern Denmark by the morning of 3 January. The central pressure reached a minimum of 962 hPa in the eastern North Sea. After crossing the North Sea, the low elongated over the southern Baltic Sea, with the centre stretching from Denmark to the Gulf of Gdańsk, with an occluded front stretching parallel to the southern Baltic Sea coast. The low then coalesced with a secondary low which had formed in its wake, taking an elongated form over Denmark and the southern Baltic Sea.

Forecasting and warnings

The gale's rapid development took the Irish weather service by surprise. Flood warnings were only received by the police from the Met Office half an hour before water overwhelmed the sea defences. The UK national forecast service was in operation at this time with warnings provided up to 12 hours before the storm.

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