UK Snow Chaos: Rare Thundersnow Strikes as Arctic Blast Disrupts Travel

A severe Arctic blast has gripped the United Kingdom, triggering widespread disruption. The Met Office has issued amber weather warnings for snow across parts of northern England. Dozens of schools are closed and travel is heavily impacted.

This early taste of winter has brought a rare phenomenon known as thundersnow to some regions. The cold snap is expected to persist for several days before conditions ease.

Widespread Warnings and School Closures

Amber and yellow weather warnings for snow and ice are in force across much of the country. The most severe alert covers North Yorkshire, where up to 25cm of snow could accumulate on high ground. This has made many rural roads impassable.

According to the BBC, over 100 schools were closed in Scotland alone. Similar disruptions were reported in northern England and Wales. National Rail has warned passengers to expect significant delays and cancellations on several routes.

Understanding the Rare Thundersnow Phenomenon

The Arctic air mass colliding with moisture has produced thundersnow in North and East Yorkshire. This occurs when thunder and lightning happen during a snowstorm. The lightning appears brighter as it reflects off the falling snowflakes.

The Met Office confirmed the phenomenon is a signature of this particularly intense weather system. Such events are rare in the UK but are most likely during significant cold snaps.

Travel and Health Advisory Updates

Major roads, including sections of the A90 in Aberdeen, have experienced closures due to stranded vehicles. Police are advising against all but essential travel in the worst-affected amber warning areas. Icy patches will remain a hazard even after snow stops falling.

The UK Health Security Agency has issued a Cold-Health Alert. This warns of significant impacts on the health sector, particularly for older and more vulnerable people. Officials urge residents to check on neighbors who may be at risk.

When Will The Cold Snap Ease?

Forecasters predict the intense cold will begin to retreat by the weekend. Milder air from the Atlantic is expected to push the Arctic air away. This will bring a return to more typical seasonal temperatures.

The situation remains dynamic, so the public should continue to monitor official forecasts. The Met Office provides regular updates on its warnings.

This early Arctic blast serves as a stark reminder of the UK’s vulnerability to sudden winter weather. The rare thundersnow event highlights the dramatic power of this system. Residents are urged to stay informed as the snow chaos continues.

Info at your fingertips

What areas are under an amber snow warning?

The amber warning is focused on North Yorkshire, the North York Moors, and the Yorkshire Wolds. These areas are expected to see the heaviest snowfalls and most significant disruptions. Travel is strongly discouraged in these regions.

What is thundersnow?

Thundersnow is a rare weather event where thunder and lightning occur during a snowstorm. It happens when atmospheric instability is high, but temperatures are cold enough for snow. The lightning can appear more intense due to reflection off the snow.

How much snow has fallen?

Some higher ground in North Yorkshire has seen accumulations of 15-25cm. Lower-lying areas within the warning zones have reported 5-10cm. These amounts are expected to increase throughout the day in the amber warning area.

Are flights and trains affected?

Yes, National Rail has confirmed delays and cancellations on routes in northern England and Scotland. Some airports are advising passengers to check with their airlines for potential disruptions due to de-icing procedures and poor visibility.

Why is this happening in November?

A powerful stream of cold Arctic air has been directed over the UK. This is not unprecedented but is notable for its early arrival and intensity. Such cold snaps can occur when certain weather patterns block the usual milder Atlantic winds.