A geomagnetic storm is currently underway, triggered by solar eruptions that have sent plasma hurtling towards Earth. This storm has the potential to create northern lights visible as far south as Alabama and Northern California. The National Oceanic and Atmospheric Administration’s Space Weather Prediction Center issued a Geomagnetic Storm Alert after detecting an X 1.1 solar flare and a coronal hole high-speed stream from the Sun.

Auroras, commonly known as the Northern and Southern Lights, form when charged particles from the Sun interact with the Earth’s atmosphere. Experts initially predicted the energy wave to reach G1 or G2 levels on the geomagnetic storm scale, but it escalated to severe G4 conditions within a day. This heightened activity is expected to continue and may reach G3 levels by Monday.

A G1 geomagnetic storm typically results in Northern Lights displays over Alaska and Canada. If the storm intensifies to G3, residents of states like Washington, Wisconsin, and New York may have the chance to witness the auroras, provided the skies are clear. With G4 conditions anticipated to persist through Monday, the Northern Lights could potentially be visible as far south as Alabama and northern California.

Monitoring agencies also track geomagnetic activity using ground-based magnetometers and the Kp index scale, which ranges from 0 to 9. The University of Alaska Fairbanks Geophysical Institute is forecasting high aurora activity with Kp-6 levels continuing through Monday night.

Despite the intense geomagnetic activity, the Space Weather Prediction Center assures the public that no adverse impacts are expected. However, they advise staying informed about the storm’s progression by visiting their website. In addition to the geomagnetic storm, a large weather system moving through the country’s heartland is expected to bring showers and thunderstorms, further complicating sky visibility.

As the full Worm Moon illuminates the sky, hindering celestial object visibility, a faint lunar eclipse is set to occur early Monday morning. The increased cloud cover and lunar activity may impede the viewing of the northern lights in some regions. Geomagnetic storms have become more frequent as the Sun approaches the peak of its solar cycle, which occurs every 11 years.

Solar Cycle 25 began in 2019 and is projected to last until 2030. Determining the exact strength of geomagnetic activity remains a challenge for experts, even with the increasing frequency of these events. Despite uncertainties, observers are hopeful for stunning northern lights displays in various parts of the United States.