Overview
- The Met Office says sightings are most likely across Scotland, with a chance into northern England, over Friday and Saturday nights.
- The agency’s outlook notes multiple CMEs may reach Earth on March 20–21, with a solar wind enhancement expected to connect on March 21.
- Minor to moderate geomagnetic storms are likely, there is a chance of strong storms, and there is a slight chance of moderate solar flares.
- Viewing is best from dark, clear, north-facing locations, with rural and coastal spots favored to avoid light pollution.
- NASA warns that strong solar activity can disrupt satellites, radio communications and power infrastructure even as it produces vivid auroras.