As much as 30-50mm of rain was expected on areas of higher ground in just three hours, the Met Office warned.On Tuesday evening there were 38 flood alerts telling people to ‘be prepared’ for possible flooding, and another two in place warning people to immediate action as flooding was expected. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. Flooding in Leyburn Some areas were expected to see 20-30mm of rain in one hour, as thunderstorms rolled across the country from the South West causing potential flooding. Swaledale Mountain Rescue Team posted a picture of a collapsed bridge in Grinton on Facebook, urging motorists to “only travel if essential as many routes impassable” due to flooding.The fire station in the town of Leyburn was also flooded. Video footage also showed streets in Sheffield becoming submerged this evening. The West Midlands also experienced flash flooding with roads becoming submerged in Tipton. Leyburn fire station flooded Parts of North Yorkshire and the West Midlands were hit with flash flooding on Tuesday as the Met Office issued weather warnings for across the UK. People this evening reported cars being swept away, businesses flooding and bridges collapsing. Routes around Swaledale and Wensleydale were left impassable tonight due to the amount of water on the ground.Due to “intense downpours” a flood warning was put in place for Arkle Beck at Reeth and Low Fremington, the Environment Agency said, after a driver had to be rescued from the boot of their car near Reeth.It added that river levels were expected to “rise significantly overnight” and it was “monitoring the situation closely”. The average rainfall for the UK in July is 78.1mm, meaning around a fortnight’s worth of rain was expected in the one-hour period.Sheena Engineer, Flood Duty Manager at the Environment Agency said: “Slow-moving thundery showers could lead to localised surface water flooding, mainly across parts of western England on Tuesday, with the risk extending north and east into Wednesday.”The Met Office put out a yellow rain warning for the north of England all day on Wednesday, with a yellow storm warning for Wednesday afternoon and evening in Scotland.More normal conditions are forecast to return from Thursday. Last week, the UK set a new all-time temperature record of 38.7C (101.66F) which was recorded in Cambridge.