Met Office issues urgent ICE warning as 1,000-mile wide Storm Barra rampages towards UK
Added 12-07-21 10:36:02am EST - “Most of England, Wales and Northern Ireland has been covered by yellow weather warnings for wind, while a band of snow on the storm's leading edge was set to bring blizzards in the far north.” - Dailymail.co.uk
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Storm Barra blasted into the British Isles in from the Atlantic today with 80mph gales, up to eight inches of snow and a tornado warning as it was officially declared a 'weather bomb' amid fears of more power cuts.
Most of England, Wales and Northern Ireland was on alert and covered by Met Office wind warnings amid fears over travel disruption, while a band of snow on the storm's leading edge was set to bring blizzards in the far north.
Forecasters said Barra was officially a 'weather bomb', another name for an 'explosive cyclogenesis', which is when there is a rapid fall in pressure of 24 millibars in 24 hours in the central section of an area of low pressure.
Barra fell from a pressure of 1017mb at 6am yesterday to 961mb at 6am today, meaning there was a 56mb drop in 24 hours which therefore developed over double the criteria required for it to become a weather bomb.
Met Office meteorologists added that forecast maps were showing small breaks in the 'line convection' – a narrow band of very intense rain and gales - which can be signs of some rotation of weak funnel clouds or tornadoes.
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