Date: 31 December 2021; 09:45 UT
Summary of Space Weather.
Sunspot AR2918 that earlier produced 2 M-class solar flares is dedacying rapidly and no longer poses any
threat for strong flares. The geomagnetic conditions are quiet at all levels. The solar wind speed is increasing.
Space Weather parameters / observations;
Sunspot Number: 77
10.7cm Flux: 111 sfu
Solar wind speed: 442.6 km.s-1
Solar wind density: 6.9 protons.cm3
Bz: 3.0 nT (North)
Bt: 3.9 nT
Dst: 6 nT