Space Weather Nowcasts Daily condition Date: 12 July 2021; 14:45 UT Summary of Space Weather. Sunspots AR2841 and AR2842 have stable magnetic fields that pose a little threat for strong solar flares. The geomagnetic conditions are quiet at all levels. The solar wind speed is declining. Space Weather parameters / observations; Sunspot Number: 23 10.7cm Flux: 74 sfu Solar wind speed: 326.7 km.s-1 Solar wind density: 21.8 protons.cm3 Kp: 1 Bz: -2.9 nT (South) Bt: 6.6 nT Dst: 17 nT