Space Weather Nowcasts Daily condition Date: 21 December 2018; 09:50UT Summary of Space Weather. The sun is still spotless.The geomagnetic conditions are at quiet levels.The solar wind speed is moderately high. Space Weather parameters / observations; Sunspot Number: 0 10.7cm Flux: 70 sfu Solar wind speed: 511.5 km.s-1 Solar wind density: 4.4 protons.cm3 Kp:1 Bz: 0.0 nT (North) Bt: 3.9 nT Dst: -9 nT