Space Weather Nowcasts Daily condition Date: 11 September 2021; 09:45 UT Summary of Space Weather. Sunspots AR2866 and AR2868 are slowly cracking with C-class solar flares. The geomagnetic conditions are quiet. The solar wind speed has declining. Space Weather parameters / observations; Sunspot Number: 96 10.7cm Flux: 100 sfu Solar wind speed: 319.6 km.s-1 Solar wind density: 7.4 protons.cm3 Kp: 2 Bz: -2.8 nT (South) Bt: 12.0 nT Dst: -11 nT