Space Weather Nowcasts Daily condition Date: 18 December 2020; 09:45 UT Summary of Space Weather. Sunspot AR2793 is decaying and poses no threat for strong solar flares. The geomagnetic conditions are quiet at all levels.The solar wind speed has increased. Space Weather parameters / observations; Sunspot Number: 12 10.7cm Flux: 82 sfu Solar wind speed: 294.4 km.s-1 Solar wind density: 13.4 protons.cm3 Kp: 1 Bz: 5.6 nT (North) Bt: 6.0 nT Dst: 13 nT