Earth is still reverberating from the colossal coronal mass ejection (CME) that struck on Jan. 19, triggering dazzling aurora displays worldwide. And while tonight's show (Jan. 20) may be somewhat more subdued, the solar storm isn't quite over — so keep your camera batteries charged and your aurora alerts on.
Geomagnetic storm intensity is expected to gradually ease through the night, but elevated activity is forecast to persist. According to NOAA's Space Weather Prediction Center, active to minor (G1) geomagnetic storm conditions are likely, meaning auroras may still be visible across northern U.S. states and other high-latitude locations. And with Earth's magnetic field still ringing like a bell from yesterday's impact, brief surges could push the lights farther south than forecast.
