Space Weather Nowcasts Daily condition Date: 15 September 2021; 09:45 UT Summary of Space Weather. Decaying Sunspots AR2866 is about to dissappear. The geomagnetic conditions are quiet. The solar wind speed is declining. Space Weather parameters / observations; Sunspot Number: 13 10.7cm Flux: 78 sfu Solar wind speed: 415.8 km.s-1 Solar wind density: 3.9 protons.cm3 Kp: 2 Bz: -2.8 nT (South) Bt: 4.5 nT Dst: -26 nT