UK weather: Megastorm could bring a month’s worth of rain as amber warning comes into effect

An amber weather informing for dense rain has travel into unit successful parts of England with streets successful London and respective commuter towns already nether h2o arsenic a megastorm hits the UK.

Thunder, lightning and hail marked the authoritative extremity to summertime implicit the weekend, with the autumn equinox connected Sunday day signalling the commencement of the caller season.

Rain warnings person been successful spot each play with a caller yellowish alert having travel into effect astatine midnight to past each of Monday, covering parts of Wales, overmuch of the southbound of England, the Midlands and into north-west England and Yorkshire.

An amber informing came into unit astatine 5am and volition past until 9pm, sweeping implicit Worcester, Birmingham, Nottingham and Hull.

Some affected areas could spot 100 to 120mm of rainfall connected Monday and forecasters warned determination whitethorn beryllium much warnings successful the week ahead.

Met Office meteorologist Jonathan Vautrey said: “First happening connected Monday greeting past we spot an amber upwind informing travel into force.

“It stretches betwixt Herefordshire, Gloucestershire and up towards the Wash and the Humber.

“This country successful particular, during Monday, we could spot implicit a month’s worthy of rainfall falling, and with the rainfall we’ve already seen implicit the past mates of days this surely has the imaginable to bring immoderate disruption and flooding successful locations and present it is precise important we bash instrumentality attraction implicit the people of the day.

“There is simply a broader yellowish rainfall informing that encompasses overmuch different areas of England and Wales arsenic well.”

Even earlier the warnings came into effect, Bedfordshire Police said: “We are alert of the aggregate issues the upwind is causing crossed the region tonight. Please lone telephone america if determination is an contiguous menace to beingness oregon transgression successful progress.

“All exigency services and assembly teams are moving arsenic rapidly arsenic imaginable to assistance those affected but our precedence volition beryllium the vulnerable. Please enactment wide of flooded roads and affected areas.”

As of 5am, 13 flood warnings – meaning flooding is expected – were issued for England by the Environment Agency.

Areas affected by the flood warnings see Atherstone successful Warwickshire, Leighton Buzzard and Luton successful Bedfordshire and parts of London including Wimbledon and South Ruislip.

In Colliers Wood, south-west London, respective roads were flooded aboriginal connected Monday morning.

Mr Vautrey besides warned that temperatures are acceptable to driblet to below-average levels for the clip of twelvemonth crossed the country.

He said: “During the forthcoming week, though, we spot northerly winds starting to propulsion their mode in, truthful the cooling inclination is going to proceed for each of us.

“Parts of Scotland volition surely spot that by already Monday and into Tuesday, with temperatures slipping down into the debased teens successful places, but that chill and acold aerial volition yet scope galore areas of the UK by the clip we caput passim the remainder of the week.

“So each of america volition commencement to spot temperatures dropping beneath mean for the clip of twelvemonth arsenic we caput towards the extremity of the week.”