Date: 30 September 2021; 09:45 UT
Summary of Space Weather.
Sunspot AR2877 and AR2880 have ‘beta-gamma’ magnetic fields that harbour energy for M-class solar flares. The geomagnetic
conditions are quiet at all levels. The solar wind speed is declining.
Space Weather parameters / observations;
Sunspot Number: 74
10.7cm Flux: 102 sfu
Solar wind speed: 399.0 km.s-1
Solar wind density: 7.1 protons.cm3
Kp: 1
Bz: -0.1 nT (South)
Bt: 3.5 nT
Dst: 11 nT
Date: 29 September 2021; 10:45 UT
Summary of Space Weather.
Sunspot AR2880 is growing rapidly and could soon pose a threat for solar flares. The geomagnetic conditions
are quiet at all levels. The solar wind speed is declining.
Space Weather parameters / observations;
Sunspot Number: 57
10.7cm Flux: 89 sfu
Solar wind speed: 441.4 km.s-1
Solar wind density: 3.8 protons.cm3
Kp: 1
Bz: -1.9 nT (South)
Bt: 4.1 nT
Dst: -6 nT
Date: 28 September 2021; 10:45 UT
Summary of Space Weather.
Sunspot AR2871 has a ‘Beta-gamma’ magnetic field that harbours energy for M-class solar flares. The geomagnetic conditions
are quiet at all levels. The solar wind speed is moderately high.
Space Weather parameters / observations;
Sunspot Number: 30
10.7cm Flux: 85 sfu
Solar wind speed: 514.3 km.s-1
Solar wind density: 5.2 protons.cm3
Kp: 2
Bz: -1.4 nT (South)
Bt: 5.4 nT
Dst: -3 nT
Date: 27 September 2021; 09:45 UT
Summary of Space Weather.
Sunspot AR2871 has a ‘Beta-gamma’ magnetic field that harbours energy for M-class solar flares. The geomagnetic conditions
are quiet at all levels. The solar wind speed has declined.
Space Weather parameters / observations;
Sunspot Number: 67
10.7cm Flux: 86 sfu
Solar wind speed: 374.9 km.s-1
Solar wind density: 10.3 protons.cm3
Kp: 2
Bz: 2.0 nT (North)
Bt: 9.1 nT
Dst: 7 nT
Date: 26 September 2021; 09:45 UT
Summary of Space Weather.
Sunspot AR2871 poses a continued threat fo C-class solar flares. The geomagnetic condition are quiet at all levels.
The solar wind speed is elevated.
Space Weather parameters / observations;
Sunspot Number: 38
10.7cm Flux: 88 sfu
Solar wind speed: 425.4 km.s-1
Solar wind density: 2.8 protons.cm3
Kp: 2
Bz: 2.1 nT (North)
Bt: 2.7 nT
Dst: -5 nT
Date: 25 September 2021; 09:45 UT
Summary of Space Weather.
Sunspot AR2871 poses a continued threat fo C-class solar flares. The geomagnetic condition are quiet at all levels.
The solar wind speed is moderately high.
Space Weather parameters / observations;
Sunspot Number: 75
10.7cm Flux: 88 sfu
Solar wind speed: 533,3 km.s-1
Solar wind density: 7.3 protons.cm3
Kp: 2
Bz: 3.2 nT (North)
Bt: 4.2 nT
Dst: -9 nT
Date: 24 September 2021; 15:13 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 queit at all levels.The solar wind speed is elevated.
Space Weather parameters / observations;
Sunspot Number: 75
10.7cm Flux: 90 sfu
Solar wind speed: 444.1 km.s-1
Solar wind density: 9.0 protons.cm3
Kp: 1
Bz: -3.8 nT (South)
Bt: 4.8 nT
Dst: -1 nT