UK weather forecast: Exactly when 30C Spanish heatwave will smash into Britain – new maps

New weather maps predict when a warmer plume will surge towards Britain – putting a temporary stop on the cold and wet weather many have seen. A topsy-turvey period has ensued, with short, sharp surges of sunshine and warmth giving a glimmer of hope that spring is on its way.

And it appears mid-week (March 20) brighter conditions – and a welcomed pause from persistent rain – will begin to hit Britain, hailing respectable temperatures of 17C in the capital, with the mercury only falling by one to two degrees in neighbouring south-eastern counties.

Despite the small uptick, Spain is set to sizzle in scorching 30C temperatures later this week – thought to be responsible for the sudden surge of heat smacking into the UK.

But before anyone decides to ditch their coats, this spell looks to be short-lived, with maps reverting to blue once again; depicting a cold streak hot-on-the-heels of the heat surge. Currently, GFS runs show a brutal drop in the mercury

Jim Dale, a senior meteorologist for British Weather Services told Express.co.uk: “[The maps] are true, it will hit the London area. “But make use of it as Easter currently looks pants.

“We will get sine ice and frosts yes; easterly winds and very subdued temperatures. It may recover for Easter Monday but I am not expecting a ‘Good Friday’ or a worthwhile weekend.”

Maps show brief freezing interludes overnight and early morning for much of the country on March 25 with the average temperature hovering around 6C throughout the day.

The mercury is set to sink even lower two days later – on March 27 – when early morning thermometer readings will plunge to -1C.

A brief, albeit small, recovery in the mercury is set to return on March 31 when temperatures peak at 12C in Kent, Essex and London.

But, in what could be deemed a first prolonged glimpse of spring, early signs show April 2 could mark the start of a noticeably warmer period.

Mr Dale has predicted a surge of heat into April, however, and says there are early indicators to back this up. He added: “I am expecting a recovery. Still anticipating a switch change and a heatwave of sorts as the month progresses.”

The Met Office long-range forecast remains on the side of caution, and only slightly alludes to a period of warmth from April 2 to 16.

It says in full: “Into April pressure is likely to be higher than average to the north of the UK, with low pressure more likely to the west or southwest. This pattern tends to push the focus of unsettled weather further south than usual, with highest rainfall most likely to be in the south of the UK.

“Conversely, northern areas tend to be drier compared to normal. Temperatures will probably be near average or slightly above overall, with any cooler interludes most likely in the north.”

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