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Sky Watch: Northern Lights to Dance Over the U.S

Sky Watch: Northern Lights to Dance Over the U.SSky Watch: Northern Lights to Dance Over the U.S
The northern lights will light up the U.S. skies this week. Read our article for more information.

Published: July 31st, 2024.

Good news for stargazers and skywatchers! NOAA space weather forecasters have extended the Geomagnetic Storm Watch through Thursday, meaning there’s a high chance of seeing the spectacular Northern Lights across parts of the northern U.S. and Upper Midwest this week.

An ongoing geomagnetic storm is set to continue, with the Sun sending bursts of energy towards Earth. The Space Weather Prediction Center (SWPC) in Boulder, Colorado, initially issued the Geomagnetic Storm Watch on Monday, alerting us to a potential G3 (strong) solar storm on Tuesday. Now, they’ve extended the watch as they monitor several very active sunspots that might send more solar flares our way.

Over the weekend, the sun was particularly busy with multiple solar flares and associated coronal mass ejections (CMEs). These CMEs are massive blasts of plasma and magnetic fields from the Sun’s corona. When these charged particles hit Earth’s magnetic field, they create the stunning aurora borealis, known as the Northern Lights. Typically, you’d have to travel near the North Pole to see them, but intense solar storms can bring them further south.

Early Tuesday, some lucky folks in Riverton, Washington, and Ontario, Canada, caught a faint glimpse of the Northern Lights. And it’s looking good for more sightings on Wednesday night.

The Kp-index, which measures the strength of geomagnetic storms, is expected to reach 6 out of 9 on Wednesday, indicating moderate storming. Early Tuesday, it was already at 5.
Best viewing conditions
You'll need clear skies and minimal light pollution for the best chance to see the Northern Lights. With a new moon approaching, there won’t be much moonlight to compete with the aurora. 

The forecast suggests that if conditions are suitable during the late evening hours, the aurora could be visible as far south as the northeast U.S. through the upper Midwest and the rest of the northern states, including northern Oregon.

Another sunspot region is expected to be Earth-facing soon, which could mean even more solar flares and CMEs. This is all part of the sun’s 11-year cycle, currently known as Solar Cycle 25, during which the sun’s poles flip.

Enjoying the show

Find a rural area with minimal light pollution to maximize your chances of seeing the Northern Lights. Check local weather forecasts for clear skies, and follow other skywatchers on social media for real-time updates.

This week’s geomagnetic storm watch gives us a rare chance to see one of nature’s most beautiful shows. Whether you’re a seasoned stargazer or just curious, take a peek outside this week – you might be in for a spectacular sight!

Earlier this summer, one of the strongest geomagnetic storms in 20 years allowed the Northern Lights to be seen as far south as Alabama and parts of Northern California. These phenomena highlight the dynamic nature of space weather and its potential impacts on Earth.

Geomagnetic storms can affect navigation, communication, and radio signals. However, systems are generally prepared for such influences. For most people, the most noticeable effect of these storms is the breathtaking display of the aurora.

This week’s geomagnetic storm watch and potential aurora displays offer a unique opportunity to witness one of nature’s most beautiful spectacles. While the forecast indicates a moderate storm, the possibility of seeing the Northern Lights as far south as Illinois and Oregon is a rare treat for skywatchers in those regions.

Stay tuned to updates from the SWPC and local weather services for the latest information on this celestial event. Whether you’re a seasoned skywatcher or new to the experience, this week promises an exciting opportunity to observe the wonders of space weather. 

Geomagnetic storms, while a treat for skywatchers, can also have minor impacts on daily life. Navigation and communication systems might experience slight disruptions. However, these systems are generally well-prepared to handle such events, ensuring minimal inconvenience.

Future solar activity

As Solar Cycle 25 progresses, we can expect more solar flares and geomagnetic storms in the coming years. The sun’s activity follows an 11-year cycle, during which its magnetic poles flip. This cycle began in 2019 and is expected to peak around 2025, bringing more frequent and intense solar storms.

Researchers and forecasters will continue to monitor the sun’s activity closely, providing updates and alerts to help us prepare for and enjoy these celestial events. Whether you’re a seasoned astronomer or a casual observer, the coming years promise plenty of opportunities to witness the wonders of the Northern Lights and other space weather phenomena.

So, mark your calendars, watch the sky, and enjoy the natural light show!

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