Space Weather Nowcasts Daily condition Date: 27 April 2021; 10:45 UT Summary of Space Weather. Sunspots AR2818, AR2820 and AR2021 are crowded and unusually close together.. The geomagnetic conditions are quiet at all levels. The solar wind speed is declining. Space Weather parameters / observations; Sunspot Number: 47 10.7cm Flux: 79 sfu Solar wind speed: 382.2 km.s-1 Solar wind density: 2.7 protons.cm3 Kp: 2 Bz: 0.7 nT (North) Bt: 2.3 nT Dst: -7 nT