Northern Lights visible across UK as powerful solar storm continues

A burst of energy from the Sun painted the night sky across the British Isles
A coronal mass ejection triggered the Northern Lights to appear as far south as Ireland and the Midlands on Monday night.

Over the weekend, the Sun released a vast plume of magnetized plasma that swept across the void and collided with Earth's own magnetic field, briefly illuminating the British night sky in colours that belong, in most people's experience, only to the far north. The aurora appeared as far south as the English Midlands and the west coast of Ireland — a reminder that the planet we inhabit is not sealed off from the wider cosmos, but continuously touched by it. The display may linger into Tuesday, though moonlight and the accumulated glow of human settlement will conspire to dim what the Sun has offered.

  • A coronal mass ejection launched from the Sun late Saturday arrived with enough force to push the Northern Lights deep into latitudes that almost never see them — the Midlands, northern England, and West Cork in Ireland.
  • Social media filled overnight with photographs from places where aurora is a once-in-a-lifetime event, capturing green and purple curtains where only ordinary darkness was expected.
  • Tuesday offers a second window, but the odds are narrowing — a waxing gibbous moon is already washing out the fainter edges of any display, and light pollution compounds the problem for anyone south of northern England.
  • The Met Office warns that space weather forecasts can shift within hours, and what looked promising Monday may look very different by Tuesday evening, urging the public to monitor updates rather than assume the show will repeat.
  • By Wednesday, viewing prospects are expected to deteriorate further, leaving northern Scotland and northern England as the last viable vantage points for catching what remains of the storm's light.

A burst of plasma and magnetic energy from the Sun's outer atmosphere reached Earth over the weekend, and the result was an aurora visible across parts of the British Isles that almost never witness such things. On Monday night, the Northern Lights appeared over the Midlands, northern England, and as far south as West Cork in Ireland — the consequence of a coronal mass ejection that had torn away from the Sun late Saturday, travelling at millions of kilometres per hour before colliding with Earth's magnetic field and igniting the sky.

The Met Office had anticipated the storm's arrival between Monday and early Tuesday, and the forecast held. When solar plasma meets the planet's own magnetic field, the interaction produces what scientists call a geomagnetic storm, and the visible expression of that storm is the aurora — curtains of shifting light that, on this occasion, descended far further south than usual.

Tuesday offered another potential window, but conditions were already turning against observers. A waxing gibbous moon threatened to bleach out the fainter portions of any display, and for those in urban areas or the south of England, the combined effect of moonlight and light pollution made the arithmetic discouraging. Even photography — which can sometimes capture what the naked eye misses — requires a degree of genuine darkness to be effective.

Krista Hammond, the Met Office's space weather manager, urged caution for anyone planning to head outside with a camera or binoculars. Predictions in this field can change rapidly, and the certainties of Monday evening might not survive into Tuesday night. Those in northern Scotland and northern England retained the best prospects, but by Wednesday, even those chances were expected to fade.

A burst of energy from the Sun's outer atmosphere reached Earth over the weekend, painting the night sky with green and purple light across a stretch of the British Isles that rarely sees such displays. The Northern Lights appeared Monday night in places where they almost never show—the Midlands, northern England, and as far south as West Cork in Ireland—the result of a coronal mass ejection that had hurtled away from the Sun late Saturday at speeds reaching millions of kilometers per hour.

When such a burst of plasma and magnetic field reaches Earth's atmosphere, it collides with the planet's own magnetic field, triggering what scientists call a geomagnetic storm. The visible result is the aurora: curtains of light dancing across the sky. The Met Office had predicted this particular storm would arrive between Monday and early Tuesday, and the forecast held. Stargazers and casual observers reported sightings across the north, with social media filling with photographs of the phenomenon captured from locations far more southern than the aurora typically ventures.

The display may not be finished. Tuesday offered another window for viewing, though the conditions were already becoming less favorable. A waxing gibbous moon—that swollen phase between half and full—would wash out fainter portions of the light show, particularly problematic for anyone trying to watch from areas already burdened by light pollution. The clearest views would come from northern Scotland and northern England, where darkness still had a fighting chance against both the moon and the ambient glow of cities and towns.

For those in the south, or in urban centers, the calculation became simple arithmetic: light pollution plus moonlight equaled little to no aurora. Photography could sometimes reveal what the naked eye could not, the Met Office noted, but even a camera needs reasonably dark skies to work with. The forecasters acknowledged that conditions would worsen further by Wednesday, with Tuesday and Wednesday nights offering increasingly marginal viewing prospects.

Krista Hammond, the Met Office's space weather manager, offered a note of caution to anyone planning to venture outside with binoculars or cameras: forecasts in this realm shift quickly, and the public should stay alert to updates. The science of predicting where and when a solar storm will produce visible aurora remains imperfect, dependent on variables that can change rapidly. What seemed certain on Monday might look different by Tuesday evening. For now, those in the far north had the best chance of witnessing what the Sun had sent their way.

Forecasts can change rapidly, so we encourage the public to stay updated with the latest information.
— Krista Hammond, Met Office space weather manager
La Conversación del Hearth Otra perspectiva de la historia
Inventor

Why does a solar storm make lights appear in the sky at all? What's actually happening up there?

Model

The Sun constantly releases energy, but sometimes it releases a lot all at once—a burst of plasma and magnetic field that shoots outward. When that burst hits Earth's magnetic field, it's like two magnets colliding. The interaction energizes particles in our upper atmosphere, and those particles emit light. That's the aurora.

Inventor

And why is it so rare to see them this far south? Why are they usually stuck in the Arctic?

Model

The aurora naturally occurs in a ring around the magnetic poles. When a solar storm is powerful enough, it expands that ring southward. Monday's storm was strong enough to push it all the way to Ireland and the Midlands. It doesn't happen often.

Inventor

The article mentions a waxing gibbous moon ruining the view. That seems almost cruel—you get the lights, but the moon washes them out?

Model

It's a timing problem. The moon is bright, and the aurora, while visible, isn't as intense as direct sunlight. In a dark sky, you see it clearly. Add moonlight and light pollution together, and for most people, the aurora just fades into the background.

Inventor

So if you're in London or Birmingham, you basically missed it?

Model

Not necessarily. Some people reported seeing it even from the Midlands on Monday night. But you needed clear skies and probably some distance from the city center. By Tuesday, the odds got worse. The farther north you were, the better your chances.

Inventor

What happens next? Does this storm just... end?

Model

The geomagnetic activity will fade as the solar wind settles. But the Met Office says forecasts can change rapidly. Another burst could arrive, or this one could intensify. That's why they're telling people to keep checking for updates.

Quieres la nota completa? Lee el original en LBC ↗
Contáctanos FAQ