Date: 05 October 2021; 23:44 UT

Summary of Space Weather.
Emerging sunspot AR2882 is big but quiet. The geomagnetic
conditions are quiet. The solar wind speed has declining.

Space Weather parameters / observations;

Sunspot Number: 29
10.7cm Flux: 84 sfu

Solar wind speed: 306.7 km.s-1
Solar wind density: 13.3 protons.cm3

Kp: 0
Bz: -0.8 nT (South)
Bt: 3.7 nT
Dst: -2 nT

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Date: 04 October 2021; 11:37 UT

Summary of Space Weather.
Emerging sunspot AR2882 has an unknown potential for flares. The geomagnetic
conditions are quiet. The solar wind speed has declining.

Space Weather parameters / observations;

Sunspot Number: 38
10.7cm Flux: 87 sfu

Solar wind speed: 355.0 km.s-1
Solar wind density: 3.0 protons.cm3

Kp: 1
Bz: -0.9 nT (South)
Bt: 2.4 nT
Dst: -14 nT

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Date: 03 October 2021; 10:45 UT

Summary of Space Weather.
New sunspot AR2877 has a ‘beta-gamma magnetic field that harbors energy for M-class solar flares. The geomagnetic
conditions are quiet. The solar wind speed has declining.

Space Weather parameters / observations;

Sunspot Number: 25
10.7cm Flux: 87 sfu

Solar wind speed: 403.7 km.s-1
Solar wind density: 4.4 protons.cm3

Kp: 1
Bz: -2.2 nT (South)
Bt: 3.2 nT
Dst: -15 nT

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Date: 02 October 2021; 10:45 UT

Summary of Space Weather.
New sunspot AR2880 is growing rapidly and could soon pose a threat for solar flares. The geomagnetic
conditions are quiet. The solar wind speed has declined.

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: -15 nT

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Date: 01 October 2021; 09:45 UT

Summary of Space Weather.
Sunspot AR2877 has a ‘beta-gamma’ magnetic field that harbours energy for M-class solar flares. The geomagnetic
conditions are unsettled. The solar wind speed is moderately high.

Space Weather parameters / observations;

Sunspot Number: 46
10.7cm Flux: 95 sfu

Solar wind speed: 527.6 km.s-1
Solar wind density: 11.9 protons.cm3

Kp: 4
Bz: -2.5 nT (South)
Bt: 6.9 nT
Dst: -25 nT

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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

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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

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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

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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

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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

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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

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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

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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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Date: 21 September 2021; 09:45 UT

Summary of Space Weather.
The new sunspot AR2871 is cracking with C-class solar flares. The geomagnetic conditions are
quiet. The solar wind speed has slightly increased.

Space Weather parameters / observations;

Sunspot Number: 51
10.7cm Flux: 80 sfu

Solar wind speed: 315.4 km.s-1
Solar wind density: 20.6 protons.cm3

Kp: 1
Bz: 0.5 nT (North)
Bt: 4.4 nT
Dst: 4 nT

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Date: 20 September 2021; 18:15 UT

Summary of Space Weather.
A new sunspot is seeing to be emerging on the solar disc. The geomagnetic conditions are
quiet. The solar wind speed has declining.

Space Weather parameters / observations;
Sunspot Number: 13
10.7cm Flux: 75 sfu

Solar wind speed: 306.2 km.s-1
Solar wind density: 10.7 protons.cm3

Kp: 1
Bz: 0.2 nT (North)
Bt: 3.9 nT
Dst: -19 nT

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Date: 19 September 2021; 10:45 UT

Summary of Space Weather.
An old sunspot AR2860 has returned on the solar disc but has been renumbered as AR2871. The geomagnetic conditions are
quiet. The solar wind speed has declined.

Space Weather parameters / observations;

Sunspot Number: 11
10.7cm Flux: 76 sfu

Solar wind speed: 331.2 km.s-1
Solar wind density: 7.5 protons.cm3

Kp: 0
Bz: 4.3 nT (North)
Bt: 5.0 nT
Dst: -23 nT

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Date: 18 September 2021; 10:24 UT

Summary of Space Weather.
The sun is spotless. The geomagnetic conditions are quiet. The solar wind speed is increasing.

Space Weather parameters / observations;

Sunspot Number: 0
10.7cm Flux: 75 sfu

Solar wind speed: 396.1 km.s-1
Solar wind density: 17.4 protons.cm3

Kp: 0
Bz: 0.2 nT (North)
Bt: 6.9 nT
Dst: -36 nT

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Date: 17 September 2021; 23:44 UT

Summary of Space Weather.
The sun is spotless. A geomagnetic storm is in progress. The solar wind speed has increased.

Space Weather parameters / observations;

Sunspot Number: 0
10.7cm Flux: 75 sfu

Solar wind speed: 396.8 km.s-1
Solar wind density: 16.7 protons.cm3

Kp: 1
Bz: 5.4 nT (North)
Bt: 15.1 nT
Dst: -64 nT

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Date: 16 September 2021; 10:20 UT

Summary of Space Weather.
The sun is spotless. The geomagnetic conditions are quiet. The
solar wind speed is declining.

Space Weather parameters / observations;

Sunspot Number: 0
10.7cm Flux: 75 sfu

Solar wind speed: 333.9 km.s-1
Solar wind density: 7.0 protons.cm3

Kp: 1
Bz: 0.4 nT (North)
Bt: 5.4 nT
Dst: 3 nT

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