Feeds

Solar plasma aurora storm ONGOING UPDATE

Glowing green UK skies expected tonight

Choosing a cloud hosting partner with confidence

As Earthlings have been going unconcernedly about their business this week, the biggest radiation storm for a decade has been lashing the planet.

A mighty "solar tsunami" event on Sunday caused vast clouds of particles to belch from the Sun in our direction, and these have been piling into the planet's magnetic field since early Tuesday night UK time, causing the northern lights to flare wildly.

The solar disturbances which resulted in the CMEs of 1 Aug 2010. Credit: NASA

Hot, swirly particle-belching megastorm action at the weekend

Were anyone to be caught outside the Earth's protective magnetic field during such a particle hurricane the consequences would probably be fatal; fortunately, however, no human being has travelled beyond our safe geomagnetic harbour since the Apollo moon missions of the 1970s. Astronauts in low orbit, including the crew of the International Space Station, are almost as safe as we are on the ground.

The "coronal mass ejection" events of the weekend were, however, thought likely to lead to spectacular aurorae visible much further south than usual in the northern hemisphere as arriving sun-belch particles poured along the planetary field lines into the polar regions and crashed into the atmosphere, so boosting the "northern lights"*.

The Harvard-Smithsonian Centre for Astrophysics (CfA), which has been following the exciting sun-storm this week, says it has received "positive reports" of good aurorae from such relatively southerly locations as Michigan, Wisconsin, Denmark and Germany, where the northern lights aren't generally visible. Many other locations, disappointingly, were clouded out last night.

According to the CfA boffins, further ion downpours can be expected at around 5pm this evening, then at 1am tomorrow morning, then at around 7am tomorrow (all times UK summer). For Brit readers fortunate enough to have cloudless skies (the forecast says that a lot of eastern England may be in luck), the 1am gust offers the only remaining chance of any visible auroral action.

Even in daylight, however, it's possible to follow events using the US National Oceanic and Atmospheric Administration (NOAA) plot of the current "auroral oval" - which at the time of writing extends weakly over much of the UK. Proton rainfall density can also be viewed here.

There's also a gallery of aurora snaps from the storm so far, not especially amazing to be honest, here. ®

*And no doubt the aurora australis to some extent also, but the south pole is angled away from the Sun at present - and in any case the southern lights are visible only in sparsely-populated Antarctica (or from space in some cases).

Beginner's guide to SSL certificates

More from The Register

next story
Renewable energy 'simply WON'T WORK': Top Google engineers
Windmills, solar, tidal - all a 'false hope', say Stanford PhDs
FORGET the CLIMATE: FATTIES are a MUCH BIGGER problem - study
Fat guy? Drink or smoke? You're worse than a TERRORIST
Rosetta probot drilling DENIED: Philae has its 'LEG in the AIR'
NOT best position for scientific fulfillment
SEX BEAST SEALS may be egging each other on to ATTACK PENGUINS
Boffin: 'I think the behaviour is increasing in frequency'
HUMAN DNA 'will be FOUND ON MOON' – rockin' boffin Brian Cox
Crowdfund plan to stimulate Blighty's space programme
Post-pub nosh neckfiller: The MIGHTY Scotch egg
Off to the boozer? This delicacy might help mitigate the effects
I'M SO SORRY, sobs Rosetta Brit boffin in 'sexist' sexy shirt storm
'He is just being himself' says proud mum of larger-than-life physicist
NASA launches new climate model at SC14
75 days of supercomputing later ...
Britain's HUMAN DNA-strewing Moon mission rakes in £200k
3 days, and Kickstarter moves lander 37% nearer takeoff
prev story

Whitepapers

Why and how to choose the right cloud vendor
The benefits of cloud-based storage in your processes. Eliminate onsite, disk-based backup and archiving in favor of cloud-based data protection.
Forging a new future with identity relationship management
Learn about ForgeRock's next generation IRM platform and how it is designed to empower CEOS's and enterprises to engage with consumers.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
Getting ahead of the compliance curve
Learn about new services that make it easy to discover and manage certificates across the enterprise and how to get ahead of the compliance curve.
Top 5 reasons to deploy VMware with Tegile
Data demand and the rise of virtualization is challenging IT teams to deliver storage performance, scalability and capacity that can keep up, while maximizing efficiency.