Weekly forecast
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Legacy format
Legacy format
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Activity level: mostly very low X-ray background flux (1.0-8.0 A): in the range A0.5 - A2.0 Radio flux (10.7 cm): a fluctuation in the range 72-77 f.u. Events: class C (0-1/period), class M (0/period), class X (0/period), proton (0/period) Relative sunspot number (Ri): in the range 0-25 Bozena Solarova RWC Prague, Astronomical Institute, Solar Dept., Ondrejov, Czech Republic e-mail: sunwatch(at)asu.cas.cz
Quiet: Jan 15 - 17, 21 Unsettled: Jan 17 - 20 Active: Jan 18 - 19 Minor storm: unlikely Jan 18 - 19 Major storm: 0 Severe storm: 0 Geomagnetic activity summary: Next week, we expect the main unsettled episode between Monday, January 18, and Wednesday, January 20. Till this event, we expect quiet to unsettled conditions. Within this unsettled period, some isolated active events are possible. We do not expect any storming event next week but, within the unsettled-to-active episode, it is not excluded. The last day, Thursday, January 21, we expect quiet to unsettled conditions return. Tomas Bayer RWC Prague Institute of Geophysics of the ASCR, Prague Department of Geomagnetism Budkov observatory (BDV)
Geomagnetic field will be quiet on: January 22, 28 - 30, February 4, 10 quiet to unsettled on: January 23, 25, 27, February 5 - 6, 9 quiet to active on: January 15 - 16, 21, 24, 26, 31, February 1, 3 unsettled to active: January 17 - 20, February 2, 7 - 8 active to disturbed: - Solar wind will intensify on: January (19 - 20,) 21, (25 - 27, 31) February (1,) 2 - 3 Remarks: - Parenthesis means lower probability of activity enhancement. - The predictability of changes is lower again, as there are ambiguous and changing indications. F. K. Janda, OK1HH (from Czech Propagation Interested Group compiling this geomagnetic activity weekly forecasts since January 1978). Emails: ok1hh(at)crk.cz, janda(at)planetum.cz Pmail: OK1HH(at)OK0NAG.#BOH.CZE.EU
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