Northern Lights Alert: NOAA Forecasts Aurora Borealis Visible Across Northern US This Sunday
Skywatchers across the northern United States are in for a treat this Sunday as NOAA’s forecast indicates a heightened chance of seeing the aurora borealis. High-speed solar winds originating from a coronal hole are expected to create compression regions in Earth’s magnetosphere, sparking brighter and more widespread auroras. While this event is not classified as a severe geomagnetic storm, the predicted Kp index of 5 significantly increases the likelihood of visible northern lights in states bordering Canada and parts of the Upper Midwest.
According to NOAA’s projected aurora view line, parts of Minnesota, Wisconsin, northern Iowa, northern Michigan, northern New York, Vermont, New Hampshire, and Maine may fall within the visibility zone. Additionally, the aurora could potentially reach as far south as Washington state and even extend through Maine. Alaska, which often sits directly under the auroral oval, is also expected to have excellent viewing opportunities. For the lower 48 states, this is a rare chance to witness the celestial display without needing a severe storm, though clear skies and a dark northern horizon remain essential.
To make the most of this forecast, enthusiasts can use NOAA’s interactive globe, which provides real-time aurora probability data. The tool allows users to scroll down for detailed space weather conditions, including the current Kp index and solar wind data. These charts update regularly, offering the most accurate and up-to-date information for planning your aurora viewing adventure. Understanding the solar wind’s Bz component is also crucial: a sustained Bz of −10 nT or lower significantly increases aurora chances, making it the single most important predictor for aurora activity.
Whether you’re a seasoned aurora chaser or a first-time observer, this Sunday presents a promising opportunity to witness one of nature’s most spectacular light shows. Remember to find a location with minimal light pollution, look northward, and give your eyes time to adjust to the dark. With the right conditions and a bit of luck, you might just catch a glimpse of the dancing lights. For real-time updates and detailed forecasts, visit NOAA’s aurora forecast page and track tonight’s northern lights across 1593 locations in the United States.