Tropical Storm Sebastien has sparked travel chaos warnings ahead of its expected landfall on Tuesday. The storm system is heading directly for the UK, after the US National Hurricane Centre (NHC) confirmed it had suddenly intensified in strength. The Atlantic’s 18th named storm of 2019, which formed last week, had initially been predicted to weaken quite quickly.

However, it has undergone a sudden strenghtening in force, leading to official Met Office weather warnings. Even scientists the NHC were left baffled by the surprise storm strength. The Met Office has warned that flood-ravaged areas could face yet more heavy rain over the next five days as Sebastien bares down on the country. The powerful tropical storm is expected lash the coast of Southern England by Tuesday night. JUST IN: The SEVEN leading Brexiteers in danger of losing seats - shock poll warning

Tropical Storm Sebastien has sparked travel chaos warnings ahead of its expected landfall on Tuesday

By Wednesday, Sebastien will have unleashed 60mph winds across the country

By Wednesday, Sebastien will have unleashed 60mph winds across the country. The winds could even trigger devastating six metre-high waves along the southern coast. Sky News weather presenter Isobel Lang said: "More rain is forecast this week with the focus across southern and northeastern parts of the UK for the heaviest totals at this stage. "The remnants of tropical storm Sebastien will raise concerns too. This storm formed in the tropical Atlantic last Tuesday and had since meandered around looking rather uneventful.

The Met Office has warned that by midweek, the East Midlands and South Yorkshire should expect another deluge

"However, it is now moving northeastwards at more of a pace and its remnants look set to affect us in some way by midweek. "The remnants of this tropical storm are likely to bring outbreaks of heavy rain and coastal gales, coinciding with some high spring tides across much of the UK through Tuesday and Wednesday and the Met Office has weather warnings in force in anticipation." The Met Office has warned that by midweek, the East Midlands and South Yorkshire should expect another deluge. DON'T MISS: Nicola Sturgeon's FOUR demands to Corbyn in SNP power move [VIDEO]

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The winds could even trigger devastating six metre-high waves along the southern coast

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