Space Weather Nowcasts Daily condition Date: 17 December 2020; 10:45 UT Summary of Space Weather. The new sunspot AR2793 poses a slight threat for C-class slar flares. The geomagnetic conditions are quiet at all levels.The solar wind speed has further declined. Space Weather parameters / observations; Sunspot Number: 12 10.7cm Flux: 82 sfu Solar wind speed: 275.0 km.s-1 Solar wind density: 3.4 protons.cm3 Kp: 0 Bz: -1.8 nT (South) Bt: 3.2 nT Dst: 11 nT