Aurora alert: Possible geomagnetic storm could bring northern lights as far south as New York (2025)

Aurora alert: Possible geomagnetic storm could bring northern lights as far south as New York (1)

Heightened solar activity has prompted the National Oceanic and Atmospheric Administration (NOAA) Space Weather Prediction Center to issue a geomagnetic storm watch for July 24.

The culprit? A plume of plasma and magnetic field known as a coronal mass ejection (CME) that was released from the sun on Jul 21 and is now barreling toward Earth and due to arrive on July 24.

Recent predictions anticipate the arrival window in the early hours of July 24, but there is a level of uncertainty about the exact timings. "Likely the storm will be fashionably late, due to slow solar wind "traffic" & an additional glancing storm blow ahead of it," space weather physicist Tamitha Skov wrote in a post on X.

CMEs carry with them electrically charged atoms known as ions, when CMEs collide with Earth's magnetosphere they can trigger geomagnetic storms. During geomagnetic storms the ions collide with gases in Earth's atmosphere and release energy in the form of light, we recognize this as the northern lights or aurora borealis in the Northern Hemisphere or the southern lights, or aurora australis in the Southern Hemisphere.

Geomagnetic storms are classified by NOAA using a G-scale to measure the intensity of geomagnetic storms. They range from G5, the most extreme class to G1 minor class storms. The recent geomagnetic storm watch issued by NOAA is currently classified as a G2-class.

Like weather on Earth, space weather is a fickle creature and difficult to predict. Geomagnetic storm warnings like this are not uncommon and in some cases, they fizzle to nothing. As we get closer to July 24 space weather forecasters will gain a better idea of when (if at all) to expect the CME to arrive.

Aurora alert: Possible geomagnetic storm could bring northern lights as far south as New York (2)

Though aurora chasers will be willing on the arrival of the CME and have everything crossed for a direct hit, this isn't a sentiment shared by all.

CMEs can wreak havoc on our technological world and pose a threat to both satellites and astronauts in

low Earth orbit

. On Earth, CMEs can cause surges in electrical currents which can overload power grids, causing blackouts. They can also jostle Earth's

magnetic field

and disrupt radio transmissions and increase radio static in Earth's ionosphere.

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In space, high-energy particles from the CME can damage satellites in low-Earth orbit. CMEs can also cause Earth's atmosphere to warm and expand, as it does it creates a thicker medium through which a satellite must travel, the additional drag can slow a satellite's momentum and lead to a lowering of its orbit.

Astronauts also receive a higher dose of radiation during a CME event compared to if they were on Earth, though they are still mostly protected by the magnetosphere and shielded by the structure of the spacecraft.

For the latest space weather alerts and forecast check out NOAA's Space Weather Prediction Center.

This article was updated on July 23 to include the recent prediction of the CME arrival window and the quote from Tamitha Skov's post on X.

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: community@space.com.

Aurora alert: Possible geomagnetic storm could bring northern lights as far south as New York (3)

Daisy Dobrijevic

Reference Editor

Daisy Dobrijevic joined Space.com in February 2022 having previously worked for our sister publication All About Space magazine as a staff writer. Before joining us, Daisy completed an editorial internship with the BBC Sky at Night Magazine and worked at the National Space Centre in Leicester, U.K., where she enjoyed communicating space science to the public. In 2021, Daisy completed a PhD in plant physiology and also holds a Master's in Environmental Science, she is currently based in Nottingham, U.K. Daisy is passionate about all things space, with a penchant for solar activity and space weather. She has a strong interest in astrotourism and loves nothing more than a good northern lights chase!

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    Aurora alert: Possible geomagnetic storm could bring northern lights as far south as New York (2025)

    FAQs

    Can aurora borealis be seen from New York? ›

    Thanks to an increase in geomagnetic activity, northern and upper Midwest states — from New York to Idaho — may be able to catch a glimpse of the aurora's colorful hues.

    How far south will northern lights be visible? ›

    The visibility for viewing will also depend on local weather conditions and city lights. Experts at NOAA said the northern lights may even be visible as far south as Alabama and Northern California.

    Is aurora borealis moving south? ›

    “Every 11 years, the sun's magnetic field flips,” says McWilliams. “And mid-flip, that's when everything is all messy and energized, in a way that will interact strongly with the Earth's magnetic field.” This increased activity of late explains why people may see the Lights more often, and even further south.

    What time are the northern lights on May 11 2024? ›

    The Aurora borealis, visible from Joshua Tree National Park, from Friday, May 10 to Saturday, May 11, 2024. "At the aurora's peak around 11:30 p.m. and again at 1:30 a.m., the sky was noticeably red, and streaks of lights could be seen without the assistance of a camera.

    What time should the northern lights be visible tonight? ›

    The lights are usually most active between 10 p.m. and 2 a.m. EDT For the best views of the Northern Lights, the agency advises traveling as close to the poles as possible, avoiding city lights and other light pollution, monitoring weather forecasts for prime viewing conditions and finding a position on a vantage point ...

    Can I see the northern lights from York? ›

    The further north you are and the darker your sky, the more chance you have of seeing the magic of Aurora. The northern lights are certainly visible from the North York Moors, with some good displays seen recently on the coast.

    What is the furthest south the northern lights have been seen? ›

    On rare occasions the aurora borealis can be seen as far south as the Mediterranean and the southern states of the US. During the Carrington Event, the greatest geomagnetic storm ever observed, auroras were seen even in the tropics.

    How far south were the northern lights seen in 1859? ›

    Over 150 years ago, the biggest solar storm on record lit up night skies around the world. The Northern Lights dazzled city skies as far south as Honolulu, Hawaii. Want to see what the storm would look like today? Check out the 1859 Carrington Event recreated in photos!

    Are there southern lights if there are northern lights? ›

    The closer you are to the North or South Pole, the greater your chances are of seeing this amazing spectacle. In the Northern Hemisphere, it is called an aurora borealis or the northern lights. In the Southern Hemisphere, it is called an aurora australis or the southern lights.

    What is a geomagnetic storm in 2024? ›

    The geomagnetic storm was the most powerful to affect Earth since March 1989, and produced aurorae at far more equatorial latitudes than usual in both the Northern and Southern Hemispheres. VIIRS image showing the aurora borealis over the Northern Hemisphere on 10–11 May. NOAA region no.

    Can you see aurora looking south? ›

    When the sun/solar wind is very active, the aurora can be seen as far south as Cuba (That's where it was seen during the 1859 superstorm). Add to this the fact that clouds block the view and even if the aurora is overhead it's not necessarily visible.

    Will the northern lights be strong in 2025? ›

    This winter, scientists are forecasting a surge in aurora activity that will surpass anything we have seen in the previous 20 years—the peak of Solar Cycle 25. This means we are on the verge of a very strong aurora season, with some of the most spectacular northern lights displays for decades!

    Where to see the northern lights in NYC? ›

    Due to NYC's intense light pollution you'll have to find the darkest spot possible to see the lights. Places such as a dark park or beach will provide you with the best chance of seeing them. Those in darker, more rural parts of New York have a better chance of catching the spectacle.

    Will aurora be visible on May 12th? ›

    The geomagnetic storm that produced the northern lights is expected to continue flaring during the night of May 11-12, if not longer, according to the National Oceanic and Atmospheric Administration's Space Weather Prediction Center.

    Can Florida see the northern lights? ›

    In May 2024, all across Florida and the United States, people witnessed a rare sight in the night skies: the northern lights, or aurora borealis.

    Can you see the northern lights in the contiguous United States? ›

    Voyageurs National Park, Minnesota

    If you are after unbeatable dark skies, a great place to try in the contiguous US would be Voyageurs National Park. DarkSky International even recognized it for its impeccable dark-sky spaces, which enhance your chances of spotting the lights.

    Can you see New York lights from space? ›

    The answer, my friends, is a resounding YES, you absolutely can see New York City from space! In fact, it's a bit of a glittering beacon in the vast expanse of darkness. Here's why: City That Never Sleeps, Lights That Never Dim: NYC is famous for its 24/7 energy, and that translates to a whole lot of light pollution.

    Can you see the northern lights anywhere in the states? ›

    The best place in the U.S. to plan a trip to see the northern lights is always Alaska — because they are reliably spectacular that far north — especially Fairbanks,” MacDonald says. Fairbanks is located under the so-called Auroral Oval.

    References

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