Space Weather Nowcasts Daily condition Date: 19 September 2021; 10:45 UT Summary of Space Weather. An old sunspot AR2860 has returned on the solar disc but has been renumbered as AR2871. The geomagnetic conditions are quiet. The solar wind speed has declined. Space Weather parameters / observations; Sunspot Number: 11 10.7cm Flux: 76 sfu Solar wind speed: 331.2 km.s-1 Solar wind density: 7.5 protons.cm3 Kp: 0 Bz: 4.3 nT (North) Bt: 5.0 nT Dst: -23 nT