Date: 23 September 2021; 10:45 UT

Summary of Space Weather.
Sunspot AR2871 has a ‘delta-class’ magnetic field that harbours energy for M-class solar flares. The
geomagnetic conditions are unsetteled.The solar wind speed has slightly increased.

Space Weather parameters / observations;

Sunspot Number: 76
10.7cm Flux: 89 sfu

Solar wind speed: 379.0 km.s-1
Solar wind density: 11.0 protons.cm3

Kp: 4
Bz: -1.1 nT (South)
Bt: 5.7 nT
Dst: -13 nT

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Date: 22 September 2021; 10:50 UT

Summary of Space Weather.
Sunspot AR2871 is cracking with for C-class solar flares. The
geomagnetic conditions are unsetteled.The solar wind speed has increased.

Space Weather parameters / observations;

Sunspot Number: 50
10.7cm Flux: 80 sfu

Solar wind speed: 382.6 km.s-1
Solar wind density: 5.1 protons.cm3

Kp: 4
Bz: -3.3 nT (South)
Bt: 5.2 nT
Dst: -35 nT

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