Aurora alert: Possible geomagnetic storm could bring northern lights as far south as New York (2024)

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 (2024)

    FAQs

    Will New York see the northern lights? ›

    Can you see the northern lights in NYC? These lights are usually only seen near the Earth's poles, but during more intense solar storms, they can be seen in the Tri-State area and even further south, like the last geomagnetic storm in NYC.

    Do magnetic storms cause northern lights? ›

    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.

    Why is the aurora borealis visible so far south? ›

    When the Sun is more active and larger amounts of plasma are erupting from the Sun's surface, more particles reach Earth's atmosphere, and the auroras occasionally extend to the middle latitudes. For example, the aurora borealis has been seen as far south as 40° latitude in the United States.

    How far south are the northern lights? ›

    While the Northern Lights are typically spotted in places closer to the poles like Norway and Alaska, people around the U.S. were treated to a rare spectacle last weekend. The Aurora Borealis was visible as far south as Alabama and even parts of Florida.

    Where in the US will the Northern Lights be visible? ›

    Most of Montana, North Dakota, Minnesota, Wisconsin, Michigan and Maine are above the viewing line (see map below) and have a varying chance at seeing the lights, along with the northern parts of Washington and Idaho.

    Can I see the Northern Lights from Buffalo NY? ›

    BUFFALO, N.Y. (WKBW) — The rise in Northern Light displays doesn't look like it will stop anytime soon, so if you didn't get an opportunity to see it in Western New York last week, your chances are high to see it again!

    Can geomagnetic storms affect humans? ›

    The threshold of convulsive (spasmodic) readiness of the human brain is reduced. It is established that weak and moderate geomagnetic storms exert stimulating influence while the strong disturbances of the geomagnetic conditions activate braking (inhibiting) processes.

    Can northern lights solar storms affect your health? ›

    An emerging body of research has linked short-term increases in geomagnetic disturbances to a range of adverse health effects, including cardiovascular diseases, neurological diseases, behavioral diseases and increased total mortality, according to one 2022 study led by Zilli Vieira and published in Science of the ...

    Can you feel a geomagnetic storm? ›

    So humans can't feel this, but it does have impacts. How do these space particles make problems here on Earth? BRUMFIEL: Well, these particles are captured by the Earth's magnetic field. And depending on how they're aligned, they can cause big fluctuations in that field.

    What is the furthest south the northern lights have ever 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.

    What is the southern version of the aurora borealis? ›

    In the Southern Hemisphere, it is called an aurora australis or the southern lights.

    How long do the northern lights last? ›

    A good display may last for no longer than 15-30 minutes at a time, although if you're really lucky, it could extend to a couple of hours or longer. To see the Northern lights, the sky needs to be dark and clear of any clouds. Some people claim the aurora comes out when temperatures are colder.

    Can you 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.

    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.

    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!

    Where can you see the northern lights in York? ›

    To see the Northern Lights in Yorkshire, especially in North Yorkshire, you need the right conditions. Typically, the more north you go, the better your chances. Top spots are rural areas away from light pollution, like the North York Moors National Park, Yorkshire Dales National Park, and Flamborough Head.

    Where is the best place in New York to see the northern lights? ›

    BENNETTE BEACH. Located right on the shores of Lake Erie, when you get to Bennette Beach there is no artificial light that would disturb your viewing of the Northern Lights.

    Has the US ever seen the northern lights? ›

    Generally, northern Alaska will give guests the best shot to see the northern lights stateside, he added. Other parts of the U.S. like northern Maine can also offer sightings, according to Kristina Lynch, a professor of physics and astronomy at Dartmouth College.

    Can you see New York lights from space? ›

    The photo was taken from the International Space Station and clearly shows New York-area landmarks including Central Park, Roosevelt Island and the glowing lights of Times Square. You can even make out StuyTown. Check out the impressive pic below to find out just how well aliens can see your neighborhood.

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