This satellite image from the Met Office shows the storm hitting the UK.
There will be winds reaching 100 mph.
TORRO, which looks at extreme weather, is warning that conditions are ripe for a possible tornado.
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A further 85 buses are expected to arrive on Tuesday and Wednesday, with officials saying the entire operation will last at least a week.
The government will make an announcement about whether Heathrow or Gatwick should be awarded a new runway at 12.30pm today.
Tuesday morning's weather for the west of the region