Space Weather Nowcasts Daily condition Date: 10 December 2018; 09:48UT Summary of Space Weather. The sunspot AR2729 is cracking with minor B Class Solar Flares. The geomagnetic conditions are at quiet to unsettled levels.The solar wind speed is still moderately high. Space Weather parameters / observations; Sunspot Number: 12 10.7cm Flux: 72 sfu Solar wind speed: 613.4 km.s-1 Solar wind density: 5.8 protons.cm3 Kp:3 Bz: -2.7 nT (South) Bt: 4.2 nT Dst: -13 nT