Space Weather Nowcasts Daily condition Date: 27 January 2019; 10:08UT Summary of Space Weather. The sunspot C5- class solar flares, the strongest recorded in almost 365 days. The geomamagntic conditions are quiet at all levels.The solar wind speed is declining. Space Weather parameters / observations; Sunspot Number: 20 10.7cm Flux: 75 sfu Solar wind speed: 452.5 km.s-1 Solar wind density: 0.3 protons.cm3 Kp:1 Bz: 1.4 nT (South) Bt: 4.0 nT Dst: -1 nT