Today : Feb 05, 2026
Science
05 February 2026

Solar Storms Ignite Rare Auroras Across Americas

A surge of powerful solar flares sparks northern lights in unexpected U.S. states and a rare aurora sighting in southern Brazil, thrilling scientists and skywatchers alike.

It’s not every day that the sky puts on a show, but recent weeks have delivered a spectacle that’s left scientists and skywatchers alike buzzing with excitement. From the Arctic Circle to the southern reaches of Brazil, a surge in solar activity has triggered an extraordinary run of auroral displays, painting the heavens with ribbons of color and hinting at the restless power of our nearest star.

According to NASA, the Sun unleashed a series of powerful solar flares on February 1, 2026, culminating in the most intense solar event of the year: an X.83-class eruption. These bursts weren’t isolated incidents. In fact, four X-class flares—the most intense category—erupted in rapid succession, peaking at 7:33 a.m. ET, 6:37 p.m. ET, and 7:36 p.m. ET on February 1, with another major flare following at 3:14 a.m. ET on February 2. As reported by TEMPO.CO, these dramatic outbursts were accompanied by a staggering 24 M-class flares within just 24 hours, all stemming from a rapidly growing sunspot known as Active Region 4366.

Why does this matter for those of us with our feet planted firmly on Earth? The answer lies in the mesmerizing phenomenon known as the aurora—northern and southern lights that ripple across the sky when energy from solar flares interacts with atoms and molecules in our planet’s atmosphere. As ABC News explains, these lights are more than just a pretty show; they’re the visible evidence of a cosmic dance between the Sun and Earth’s magnetic field.

For many in the United States, the question on everyone’s lips is, “Will I be able to see the northern lights from my backyard?” The answer, according to People, is a tentative yes—at least for those living in the right place at the right time. Forecasts suggest that the northern lights could be visible as early as Thursday, February 5, 2026, though the exact timing remains uncertain. What makes this event especially exciting is the possibility that the aurora could stretch much farther south than usual, potentially lighting up the skies over 11 U.S. states: Washington, Wyoming, North Dakota, South Dakota, Minnesota, Wisconsin, Michigan, Maine, Idaho, Montana, and Alaska.

This isn’t just wishful thinking. The last few weeks have already produced some remarkable auroral sightings far outside their typical haunts. On January 19, 2026, for instance, a rare aurora appeared briefly over southern Brazil during a powerful geomagnetic storm. Astrophotographer Egon Filter was lucky enough to capture the faint purple-red glow from Cambará do Sul, in Brazil’s Rio Grande do Sul state—a location between 27 and 33 degrees south latitude, well beyond the usual auroral zone. As Filter told Space.com, “For an aurora to be visible at low latitudes, a very violent and exceptional solar storm is necessary.” He continued, “It was a fantastic, truly thrilling feeling to check the camera and see that I had captured the image. I took a few more pictures and, after a few minutes, it had already disappeared.”

So, how did the auroras reach Brazil, a place so far from the magnetic poles? The answer lies in a region known as the South Atlantic Anomaly, where Earth’s magnetic field is weaker than elsewhere. This area is typically associated with suppressed auroral activity, not enhanced displays. According to spaceweather.com, the weak and disorganized magnetic fields in the anomaly don’t usually focus or accelerate solar wind particles effectively. As a result, any auroras that do form tend to be faint and diffuse, rather than the bright, curtain-like displays seen closer to the poles.

But this time was different. The glow Filter captured could potentially have been a stable auroral red (SAR) arc—a diffuse band that can appear during strong geomagnetic storms when energy from Earth’s ring current leaks into the upper atmosphere. SAR arcs have been spotted at lower latitudes during major storms, but they’re typically quite faint. However, solar physicist Tamitha Skov told Space.com that the geometry of the Brazilian observation points more strongly to a true aurora than a SAR arc. “What makes this particular observation more remarkable is that it is observed high in the sky over Brazil and not near the southern horizon,” Skov explained. Given Brazil’s low latitude, she said, the glow was most likely a diffuse equatorial aurora penetrating through the South Atlantic Anomaly, rather than a SAR arc, which is more commonly found hugging the horizon. “It is aurora, but it is diffuse (not discrete) and it comes from a different source than we typically associate with the auroral zone,” Skov added.

While such a sight is certainly rare, Skov emphasized that it wasn’t entirely unexpected. The Sun, she noted, is currently returning to a more “active posture,” with recent solar activity approaching what scientists consider normal when averaged over the past 24 solar cycles. “These observations are consistent with the expected behavior from the Sun-Earth system, right now,” Skov said. “Many of us have been predicting we would see this kind of aurora for years now. In fact, some of us have actively asked aurora field reporters to be on the lookout for it.”

Back in the United States, anticipation is running high. The National Weather Service and space weather forecasters are keeping a close eye on the situation, warning that additional M-class and X-class flares remain possible in the coming days. If geomagnetic activity intensifies, the aurora could once again spill southward, offering a rare treat for skywatchers in states unaccustomed to such displays. Those hoping to catch a glimpse are advised to seek out dark skies well away from city lights, look northward, and keep their cameras ready—auroras can appear and vanish in a matter of minutes.

These recent events serve as a vivid reminder that the Sun is far from a static, unchanging presence in our sky. Its cycles of activity can have profound effects not only on satellites and power grids but also on the natural wonders we’re privileged to witness from the ground. For scientists, the chance to study such widespread auroral activity offers valuable insights into the complex interactions between solar storms and Earth’s magnetic environment. For the rest of us, it’s a chance to look up and marvel at a universe that’s always full of surprises.

As the solar cycle continues its upward swing, both seasoned astronomers and casual stargazers are keeping their eyes to the sky, wondering what the Sun will throw our way next. If the past few weeks are any indication, it’s worth staying up late—just in case the night sky decides to light up again.