Weekly forecast
Data type:
Legacy format
Legacy format
Forecast issued date:
Activity level: mostly low to moderate X-ray background flux (1.0-8.0 A): in the range B5.2 - C4.5 Radio flux (10.7 cm): a fluctuation in the range 114-193 Events: class C (2-8/day), class M (0-6/period), class X (0/period), proton (0/period) Relative sunspot number (Ri): in the range 60-175 Vlastislav Feik RWC Prague, Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
Quiet: Apr 26, 28 - 29, May 2 Unsettled: Apr 26 - 27, May 1 Active: possible Apr 25, 30 Minor storm: 0 Major storm: 0 Severe storm: 0 Tonight, any unsettled to active event is possible. Next day, we expect geomagnetic activity decrease which can be interrupted about Tuesday, April 30, with any unsettled to active event. The last two days, at the start of May, we expect quiet to unsettled conditions, generally. Tomas Bayer RWC Prague Institute of Geophysics of the ASCR, Prague Department of Geomagnetism Budkov observatory (BDV)
The weekly commentary was not issued on April 25 due to technical reasons (maintenance of the electricity network). F. K. Janda, A.R.S. OK1HH
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