Overview
- NOAA’s Space Weather Prediction Center has active watches for G2 conditions Tuesday and G3 conditions Wednesday, with Kp modeled up to about 7.33 as two Earth-directed CMEs arrive in sequence.
- Forecasts indicate aurora visibility across northern U.S. latitudes with potential reach into 22 states from Alaska to Maine and as far west as Oregon, with best local viewing typically between 10 p.m. and 2 a.m.
- The UK Met Office alerts that northern parts of the UK could see the aurora given clear skies, though cloud cover and moonlight may constrain visibility.
- Forecasters caution that exact timing and intensity remain uncertain, including the possibility—reported by Spaceweather.com—of interacting CMEs that could amplify effects.
- Temporary impacts to HF radio, GPS, satellites and, in stronger cases, power systems are possible, and if the storm strengthens, auroras could extend as far south as Alabama and Northern California.