Space Weather Nowcasts Daily condition Date: 25 April 2021; 09:45 UT Summary of Space Weather. Sunspot AR2816 is departing but continually posed a threat for C-class solar flares. The geomagnetic conditions are quiet. The solar wind speed is elevated. Space Weather parameters / observations; Sunspot Number: 62 10.7cm Flux: 79 sfu Solar wind speed: 469.8 km.s-1 Solar wind density: 9.2 protons.cm3 Kp: 2 Bz: -3.8 nT (South) Bt: 6.9 nT Dst: -23 nT