Solar flux 172 and estimated planetary A-index 36. The estimated planetary K-index at 0900 UTC on 09 November was 2.33. Space weather for the past 24 hours has been strong. Radio blackouts reaching the R3 level occurre

Forecast Issued at 2200Z on 08 Nov 2025

Solar Activity Forecast: Solar activity is likely to be moderate with a slight chance for an X-class flare on days one, two, and three (09 Nov, 10 Nov, 11 Nov).

Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to minor storm levels on day one (09 Nov), unsettled to major storm levels on day two (10 Nov) and quiet to active levels on day three (11 Nov). Protons have a slight chance of crossing threshold on days one, two, and three (09 Nov, 10 Nov, 11 Nov).