Coldest winter for eight years will continue this week with ‘polar spring’ bringing minus 5C chills

Britain’s coldest winter for eight years is set to drag on with a ‘polar spring’ this week, sending temperatures plummeting to -5C with snow and icy winds.  

A St Patrick’s Day shiver will see a 2,000 mile-wide ‘Arctic dome’ of cold air blow in from Scandinavia from Wednesday, while the Met Office warned of snow in the South-East by Friday.

Unusually, the South will be coldest part of the country, with the mercury dropping to -5C at night, and temperatures between 6 and 11C during the day feeling as cold as 3C due to and 6-11C days feeling as cold as 3C.

Britain's coldest winter for eight years is set to drag on with a 'polar spring' this week, sending temperatures plummeting to -5C with snow and icy winds. Pictured: runners braving the cold on Wimbledon Common

Britain's coldest winter for eight years is set to drag on with a 'polar spring' this week, sending temperatures plummeting to -5C with snow and icy winds. Pictured: runners braving the cold on Wimbledon Common

Britain’s coldest winter for eight years is set to drag on with a ‘polar spring’ this week, sending temperatures plummeting to -5C with snow and icy winds. Pictured: runners braving the cold on Wimbledon Common

People are out walking ans meeting with friends on Wimbledon Common as experts warn of cold temperatures on their way

People are out walking ans meeting with friends on Wimbledon Common as experts warn of cold temperatures on their way

People are out walking ans meeting with friends on Wimbledon Common as experts warn of cold temperatures on their way

A St Patrick's Day shiver will see a 2,000 mile-wide 'Arctic dome' of cold air blow in from Scandinavia from Wednesday, while the Met Office warned of snow in the South-East by Friday. Pictured: Dorset

A St Patrick's Day shiver will see a 2,000 mile-wide 'Arctic dome' of cold air blow in from Scandinavia from Wednesday, while the Met Office warned of snow in the South-East by Friday. Pictured: Dorset

A St Patrick’s Day shiver will see a 2,000 mile-wide ‘Arctic dome’ of cold air blow in from Scandinavia from Wednesday, while the Met Office warned of snow in the South-East by Friday. Pictured: Dorset

Pictured: A man flying a kite on a cold and blustery day on Wimbledon as he takes advantage of the high winds in London

Pictured: A man flying a kite on a cold and blustery day on Wimbledon as he takes advantage of the high winds in London

Pictured: A man flying a kite on a cold and blustery day on Wimbledon as he takes advantage of the high winds in London

Unusually, the South will be coldest part of the country, with the mercury dropping to -5C at night, and temperatures between 6 and 11C during the day

Unusually, the South will be coldest part of the country, with the mercury dropping to -5C at night, and temperatures between 6 and 11C during the day

Unusually, the South will be coldest part of the country, with the mercury dropping to -5C at night, and temperatures between 6 and 11C during the day

Government weathermen warned of more colder-than-average stints in late March and as April begins, with Arctic air from Greenland also expected.

A Met Office forecaster said: ‘Temperatures will potentially turn much colder than average in the South from Thursday, where showers could be wintry.

‘Temperatures are also expected to be at or slightly-below average later in March and at the turn of the month.’

Ex-BBC and Met Office forecaster John Hammond of weathertrending said: ‘An injection of Arctic air will see a chill as the week progresses.

‘Temperatures may remain slightly below-par for much of the time later in the month. Snow cannot be discounted, with winds being more northwesterly than southwesterly.’

Bookmaker Coral cut odds on spring snow to 2/1 and on Easter on April 4 being the coldest on record to 2/1.

Coral spokesman John Hill said: ‘Get ready for a white Easter.’

Weathermen warned of more colder-than-average stints in late March and April, with Arctic air from Greenland also expected

Weathermen warned of more colder-than-average stints in late March and April, with Arctic air from Greenland also expected

Weathermen warned of more colder-than-average stints in late March and April, with Arctic air from Greenland also expected

Winter was the UK’s coldest for eight years, since 2012-13, Met Office figures show.

The average UK temperature from December to the start of March was 0.21C below average, at 3.51C.

The -23C February freeze was the coldest February temperature since 1955, and the coldest winter temperature in the UK since 1995. 

The Weather Outlook forecaster Brian Gaze said: ‘It will feel more like winter than spring, with polar air expected in coming weeks.

‘Snow could settle, particularly in the South-East from Friday, with -5C lows in the South in the second half of the week.’

Climate change ‘could cause summers to last SIX MONTHS by end of century’ 

Climate change could cause summers in Britain and to last SIX MONTHS by the end of this century, suggests a new study.

Without efforts to slow the shifting climate, summers spanning almost half the year may become the new normal north of the Equator by 2100, say scientists.

The change would likely have a far-reaching impact on agriculture, human health and the environment, scientists warned.

During the 1950s in the Northern Hemisphere, the four seasons arrived in a predictable and fairly even pattern, but climate change is now driving dramatic and irregular changes.

These changes have affected the length and start dates of the seasons, which may become more extreme in the future, researchers said.

If these trends continue without any effort to mitigate climate change, the researchers predict that by the turn of the century winter will last less than two months.

These warmer and shorter winters could lead to instability, cold surges and winter storms, similar to the recent snowstorms in Texas and Israel.

The researchers used historical daily climate data from 1952 to 2011 to measure changes in the four seasons’ length and onset in the Northern Hemisphere.

They defined the start of summer as the onset of temperatures in the hottest 25 per cent during that time period, while winter began with temperatures in the coldest 25 per cent.

Next, the team used established climate change models to predict how seasons will shift in the future.

The new study found that, on average, summer grew from 78 to 95 days between 1952 to 2011, while winter shrank from 76 to 73 days.

Spring and autumn also contracted from 124 to 115 days, and 87 to 82 days, respectively, the researchers said.

Accordingly, spring and summer began earlier, while autumn and winter started later, the study found.

It was discovered that the Mediterranean region and the Tibetan Plateau experienced the greatest changes to their seasonal cycles.

If these trends continue without any effort to mitigate climate change, the researchers predicted that the transitional spring and autumn seasons will shrink further as well.

Study lead author Dr Yuping Guan, a physical oceanographer at the State Key Laboratory of Tropical Oceanography, said: “Summers are getting longer and hotter while winters shorter and warmer due to global warming.”

Dr Guan, of the South China Sea Institute of Oceanology and the Chinese Academy of Sciences, was inspired to investigate changes to the seasonal cycle while mentoring an undergraduate student, co-author Jiamin Wang.

He added: “More often, I read some unseasonable weather reports, for example, false spring, or May snow, and the like.

“Numerous studies have already shown that the changing seasons cause significant environmental and health risks.”

For example, birds are shifting their migration patterns and plants are emerging and flowering at different times, the experts said.

These phenological changes can create mismatches between animals and their food sources, disrupting ecological communities, it was warned.

Seasonal changes can also wreak havoc on agriculture, especially when false springs or late snowstorms damage budding plants.

And with longer growing seasons, humans will breathe in more allergy-causing pollen, and disease-carrying mosquitoes can expand their range northward.

Dr Congwen Zhu, a monsoon researcher at the Chinese Academy of Meteorological Sciences in Beijing, who was not involved in the study, said this shift in the seasons may result in more severe weather events.

Dr Zhu added: “A hotter and longer summer will suffer more frequent and intensified high-temperature events – heatwaves and wildfires.”

Warmer and shorter winters may cause instability that leads to cold surges and winter storms, much like the recent snowstorms in Texas and Israel, he added.

Scott Sheridan, a climate scientist at Kent State University in Ohio, who was not part of the new study, said: “This is a good overarching starting point for understanding the implications of seasonal change.”

It is difficult to conceptualize a 2- or 5-degree average temperature increase, he added: “I think realising that these changes will force potentially dramatic shifts in seasons probably has a much greater impact on how you perceive what climate change is doing.”

The study was published in the journal Geophysical Research Letters.

 

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