Overview
- NOAA expects minor to moderate geomagnetic activity from Nov. 10–12 with Kp near 5–6, with the strongest conditions most likely Tuesday night into early Wednesday.
- The UK Met Office reports R3 radio blackouts from flares on Nov. 9–10 and notes potential G3 periods that could disrupt high‑frequency communications used by aviation and maritime services.
- Aurora visibility could extend from Alaska and Canada into the northern United States, with viewlines ranging from roughly 9 to as many as 22 states depending on storm strength and CME sequencing.
- UK forecasters highlight a chance of visible displays across northern parts of the country on Tuesday night, with elevated activity possible into Wednesday before easing.
- Best viewing typically occurs between 10 p.m. and 2 a.m. local time from dark, north-facing locations, though cloud cover, moonlight and light pollution will heavily influence what is seen.