Severe G4 Solar Storm Lights Up Skies: Northern Lights Visible Across U.S., Southern Lights in Australia — Where to Watch Tonight (Nov. 12, 2025)
What’s happening The Sun’s recent burst of activity sent a train of CMEs toward Earth. Overnight, the storm escalated to G4 (severe) levels, which NOAA’s Space Weather Prediction Center (SWPC) confirmed at 01:20 UTC on Nov. 12 (8:20 p.m. EST, Nov. 11). Forecasters say geomagnetic storming “is anticipated to continue into the night,” keeping aurora chances elevated. NOAA Space Weather Prediction Center The severe watch was posted ahead of time due to a sequence of CMEs—including one tied to an X5.1‑class solar flare at 10:04 UTC on Nov. 11—with forecasters flagging uncertainty around the exact arrival timing but high confidence