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The Northern Lights Are Making a Rare Appearance in These U.S. States Right Now

By Bailey Berg

Mar 31, 2022

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The aurora borealis could be visible in the Lower 48 through April 2.

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The aurora borealis could be visible in the Lower 48 through April 2.

If you live in Washington, Montana, the Dakotas, Minnesota, Wisconsin, or the Northeast, look up tonight—you might get a glimpse.

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While the Northern Lights, a phenomenon that sees ethereal streamers of light pirouette across the night sky, are often relegated to the climes nearest the Arctic, on rare occasions, they can make their way as far south as the Lower 48 U.S. states. 

Tonight (and tomorrow) may be one of those extraordinary nights. 

Scientists at the University of Alaska Fairbanks Geophysical Institute rank the probability of seeing the aurora borealis on a scale of zero to nine, which is called the Kp Index. The higher the number is, the better the probability the nighttime spectacle will occur. It also means that there’s a larger swath of the hemisphere that could potentially see the aurora.

For March 31 through April 2, that number is six. That means the Northern Lights could be visible as far south as Oregon, Idaho, Wyoming, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, and all of the Northeastern states. However, it’s more probable that if the dancing display happens in the continental U.S., it’ll be seen in the northern parts of Washington, Montana, the Dakotas, Minnesota, Wisconsin, Michigan, and Maine. 

Aurora forecast for March 31 to April 1, 2022. It's expected to be similar on April 2.

That being said, in the wee hours of March 31 (when the Kp Index was at a seven), the aurora borealis was spotted as far south as Colorado. Space Weather Watch also tweeted that "more geomagnetic storming is possible on April 2."

What causes the Northern Lights—and when might we see them again? 

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The aurora borealis is caused when the sun shoots electrically charged protons and electrons toward the Earth during a solar storm. As those elements meet the Earth’s magnetic field, they’re attracted to the poles, where they excite and mix with the gases in our atmosphere. When the particles mix with oxygen, green and red lights appear; they glow blue and purple when they join with nitrogen. It’s the same process at work in neon signs. 

Even if you don’t get to see the kaleidoscopic illuminations this time, your chances will only improve over the next few years. There’s an 11-year cycle that has historically predicted when the lights would be most visible. In the years closest to solar maximum (slated to happen in 2024), the shows are more frequent, energetic, and colorful (whereas they’re more lethargic in the years near solar minimum).

Tips for seeing the Northern Lights

It’s a good idea to download a mobile app, like Northern Light Aurora Forecast, to get a better idea of the likelihood of seeing the Northern Lights in your area. It can help spell out when the show might take place, if at all. 

It’s worth noting that it’s only possible to see the Northern Lights when the sky is clear, and they’re not competing with ambient city lights. For your best chance, find an area, like the top of a hill, where you can have unobstructed sky views to the north. 

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If the conditions are good and you’ve found a solid lookout spot, remember to have patience. Much like it’s impossible to predict the exact moment it’ll start snowing, there’s no way of saying with certainty exactly when the aurora borealis will appear (or how long it will last). 

>>Next: The Man Who Sits With the Sky

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