Weekly forecast

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Forecast issued date:

Solar activity forecast for the period December 06 - December 12, 2024

Activity level: moderate
X-ray background flux (1.0-8.0 A): in the range C1.0-C3.0
Radio flux (10.7 cm): a fluctuation in the range 120-220
Events: class C (4-12/day), class M (3-15/period), class X (0-1/period), proton (0-1/period)
Relative sunspot number (Ri): in the range 75-200

Michael Vávra
RWC Prague, Astronomical Institute, Solar Dept., Ondrejov, Czech Republic

Geomagnetic activity forecast for the period December 06 - December 12, 2024

Quiet: Nov Dec 6 - 8
Unsettled: Nov Dec 6, 8, 11 - 12
Active: Nov 9 - 12
Minor storm: possible Dec 9 - 10
Major storm:  0
Severe storm: 0

Currently, geomagnetic field is quiet.

We expect the activity maximum in the first half of next week. Since Monday, December 9, active conditions with possible minor storm event can be expected. Till Sunday, December 8, we expect at most quiet to unsettled conditions.
The last day of currently forecasted period, we expect geomagnetic activity decrease to unsettled level.

Tomas Bayer
RWC Prague
Institute of Geophysics of the ASCR, Prague
Department of Geomagnetism
Budkov observatory (BDV)

Weekly Commentary on the Sun, the Magnetosphere, and the Earth's Ionosphere December 06 - December 12, 2024

Not issued

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